55 Tooth Sprocket for all Compatible with Razor E300 and E300S Models. Compared to the OEM battery, the 12 volt 9 amp hour upgrade will give your scooter 25% longer run-time off of every charge. Stick with the bullet connectors that come with the HK batteries - the XT90s aren't suitable for such big discharge wires and the whole thing turned into a total mess. Clamping bracket not easily visible. Price: USD198-USD245. A longer chain would be needed if a larger sprocket was installed. Ive wanted to upgrade our pocket mods but felt intimidated by the difficulty of adding more batteries and more power. above. application notes from various manufacturers. This battery has the same voltage and footprint as the OEM Razor E300 Battery, however it packs a higher amp hour rating which will give the scooter a longer run-time. Love your project just watched the video and thought it was great!! The stock speed controller and the two 18V 1.4Ah Ryobi lithium drill batteries I had already. Dimensions: 4" wide x 3-1/4" long excluding shaft, 4-1/4" long including shaft. I decided to press a 100A megafuse & fuse holder into service. Can I convert it into a simple kick scooter If parts are removed? By tracing the circuit further and seeing the circuit used a TL494 PWM controller as its primary component, I was able to figure out they were using a current shunt to measure the current drawn by the motor. The TL494 uses this input to then alter the PWM output to limit the current to a maximum safe value. Enhancements you chose aren't available for this seller. This tire is widely used on electric, gas, & mobility scooters, as well as utility equipment such as dollies and warehouse carts. Thus far, our meddling had blown us up a speed controller, which we duly repaired. New: 44T rear, 9T front: 4.9:1 gear ratioThat's hardly any change at all! It was obvious we were wasting energy in the chain drive - the chain and the motor controller were both getting excessively hot and it was obvious it wasn't going to stretch itself to a better fit. I plugged everything in but initially, nothing happened! 03/01/2016 at 10:07, Portable Network Graphics (PNG) - Razor E300 E 300 E325 Performance Chain and 65 Tooth Sprocket Upgrade Condition: New Quantity: 4 available 544 sold / See feedback Price: US $26.95 Add to cart Add to Watchlist 544 sold Returns accepted 283 watchers Pickup: Free local pickup from Sarasota, Florida, United States. 03/01/2016 at 10:07, Portable Network Graphics (PNG) - When we dosed it with some hot, fresh amps, the FET was killed instantly. New: 44T rear, 9T front: 4.9:1 gear ratio. 3) Add an Extra Battery. Worst of all, they take a full 12 hours to charge. The new controller With a larger deck and bigger tires than the other Razor scooters in the E series, the E300 is suitable for teen and adult riders. Reassembling the speed controller. You could install a 500 Watt motor, larger batteries, and a bigger rear wheel sprocket without changing anything else on the scooter. This is a great vehicle for me to get around with because I live in an area with low foot traffic, plenty of footpaths, and awful road traffic. Razor Dune Buggy Go-Kart Parts. 6) Rewinding the Motor. Will keep you kids updated. rotate the wheel to see if it hits the frame. Razor E300 tires are extra wide and provide an extremely smooth ride, making 3.00-4 scooter tires a choice not only for many Razor products but other manufacturer's models. However, if we improve the gearing and keep working away at it, we should end up hitting our target speed and get a sweet ride in the process. Razor DXT Electric Drift Trike Parts. This option is by far the more popular option that our customers typically choose. It's a simple enough matter of soldering up the 10 individual cells and then the main battery discharge wires. *Fits version 41+ if it is installed along with a new size 3.00-4 The assembled brake assembly. Regarding the 80t sprocket, any idea if it'll hit the frame (E300)? Something went wrong. Its crazy. The original gearing was 11T on the motor, with a 55T rear sprocket. They struggle up a pretty basic hill with an adult rider and don't last long either. Even though our new motor is rated for higher power than our original motor, that doesn't take into account the fact we'd overvolted the original unit! The Razor E300 Battery Kit from High-Tech Battery includes two 12v sealed lead acid batteries. What to do? Is there a wheel that will fit from those that are available now? Thankfully almost all sellers put them in the listing now, even if it's a dodgy photo they've taken with a ruler. Check out the video for the full story. A+ service! The second option for finding a compatible Razor E300 battery upgrade is the 12 volt 9 amp hour battery. Are you sure you want to remove yourself as We used a flap disc on an angle grinder. Universal Parts aftermarket pullstarter for minibikes with 196cc 6.5hp engines, including the Coleman BT200X, CT200U Trail, and CT200U-EX. We have fun though ;)More development in this area to come - stay tuned! Product as described! We work hard to protect your security and privacy. If you know more on that, let me know. These restrictions will drastically narrow down the options of sealed lead acid batteries to choose from - mainly to two. Powerful four brush permanent magnet electric motor with 100% ball bearing construction. A revolution is on the way - and Electric Scooters are leading it! Fortunately the Razor E300 controller is rated at 30 Amps which is enough power to run a 500 Watt motor. Interesting hacks you're doing there! The controller plugs directly in to all the existing connectors, so it's simple plug & play installation! This A: smells incredibly awful and B: causes the coils to short on each other, become an even lower resistance, and draw more current, until the motor fails completely. I can't wait to install a proper set of hardcore LiPos and do more mods! Instead, I had to get creative - I decided I'd go with parallel FETs to handle the strain. This 2.80/2.50-4 rear wheel assembly for the Razor E300 is for versions 41 and up only. But I'd ignored something that should have been blatantly obvious. 43.6k Members 44 The speed controller, right, with the old blown IRFB3607, left. Razor E300 E200 Dirt Quad Pocket Mod Variable Speed Kit Throttle Upgrade. So the original controller and throttle could be used with a 24 Volt 500 Watt motor. Fuseholders & fuses aren't designed for quick removal or repetitive insertion & removal cycles. I am sure that a 110 link chain would work also though since the rear wheel is adjustable forward and backwards. think your scooter mod's are cool . Straightforward enough on one side, but on the other, we had to fab up a special bracket to clamp the motor onto the mounting rail, as the rail itself wasn't wide enough to meet up with the motor's mounting faces. After tearing down the stock speed controller, I found the culprit. I jumped on the scooter and pulled the throttle but nothing happened! Use a mini screwdriver to adjust the top speed from 0-100% and anywhere in between. Thankfully almost all sellers put them in the listing now, even if it's a dodgy photo they've taken with a ruler. If you know more on that, let me know. The E300's original 55 tooth sprocket has a 4-1/2" outside diameter and an 80 tooth sprocket has a 6-1/2" outside diameter, so you could tape a 1" x 1" piece of cardboard on the edge of the existing 55 tooth sprocket and rotate the wheel to see if it hits the frame. Oh well. Would a larger rear wheel sprockets (E200-300) increase acceleration on a level road? To see our price, add these items to your cart. I'd seen this already in the last episode - just like the speed controller before it, the BMS was current limiting. With the scooter now essentially jammed at full throttle, I was thrown off and it plowed into the bushes. But performance was still somewhat limited. Includes 12 month But I'd ignored something that should have been blatantly obvious. And the eco smart battery. Our new motor is a 500W, 36V motor. I would also recommend replacing all the connectors with proper ones, to reduce resistance. Our payment security system encrypts your information during transmission. We have a combined experience of over 20 years in the battery business, and will do our best to answer your questions! The rear tyre on an E300 is usually a 3.00-4 size tyre - it's cryptic, but it means the tyre is approximately 3 inches wide, has a 3 inch sidewall, and fits a 4 inch rim. Privacy Policy Regardless, it's a decent bit of kit for those who aren't willing to go ham with a soldering iron in the quest for speed.Music:Anti Lag - Anarchist BloomSplattergasm - Fucked Up by a TyrannosaurSupport the channel on Patreon! . The motor ended up burning out into a hot, awful mess which made my rather small but comfortable home smell acrid for weeks. Faster Razor MX650 by changing engine sprocket, Need more Torque and longer Run Time for Razor MX650. . Please try again. However, I had a problem - the IRFB3607 inside was rated to handle 80A & 75V. This works because the circuit measures the voltage drop across a known resistance (the current shunt) to determine the current flow. Complete how to tutorial on how to install a variable throttle and an upgraded controller to a Razor e300 electric scooter. Should these modifications do what I want it to do? This tire is designed for all-weather conditions. Amounts shown in italicized text are for items listed in currency other than Canadian dollars and are approximate conversions to Canadian dollars based upon Bloomberg's conversion I'm thinking brakes, you know?Link to speed controller: https://ebay.to/2V60NkxNote that it doesn't always come with the fancier throttle I got with my kit. DO NOT. Electric Scooter Repair Help | The 36V badboy I enlisted for the build from eBay.We needed to upgrade. Would I need to change the controller or anything else if I did this. Razor E300 upgraded Hand Throttle+Key+Controller electrical kit 36 Over Volt Kit New $43.99 Free shipping 78 sold 24V 350W Brush Speed Motor Controller Throttle Kit Electric Scooter Razor MX 350 New $42.99 Free shipping 89 sold 12-1/2 X 2.75 (12.5 X 2.75) TIRE TUBE PACKAGE RAZOR DIRT BIKE MX350 MX400 Rocket New $9.98 Free shipping With the motor in, it was then a matter of fitting the new T8F sprocket to the rear wheel. Electric Scooters are ridden standing up and have 2 inline wheels for maximum speed, size and portability. Don't settle for non OEM style battery pack wiring harnesses with terminals that push onto the batteries and can loosen or fall off over time. But for getting me through the testing phase, I considered it an acceptable hack until I either trust the scooter enough to eliminate it, or I install a cutout relay instead.Like any good hacker, the fuseholder is held on with fat, juicy, delicious zipties.With everything in place, I retested the scooter. Csn u tell me is the frame to the e300 bigger then the E200. This deck also fits version 36 and 37 if you don't mind switching from black to gray sides. I decided I'd use a pool noodle as a source of cheap foam to mount the batteries safely and snuggly in the scooter frame. Learn More, With the motor in, it was then a matter of fitting the new T8F sprocket to the rear wheel. Making that bit of metal thicker but put 36v to it and it clicks . . Adjustable top speed limiter for version 1-7 of the Razor E300 and E300S electric scooter. - https://www.patreon.com/tkoneniner Here is the chain length calculation. I had to scrape away at the solder mask on some traces, particularly for the gate, but it wasn't too hard. Read manuals, find replacement parts, and information on repairs now. Copyright 2002-2022 by ElectricScooterParts.com, an Electricruz Inc. company. To calculate the overall star rating and percentage breakdown by star, we dont use a simple average. I am considering 108 tooth on my E300S but at this point I cannot justify the $60 price for it, plus it will prevent me from making right turns more than perhaps 10 to 15 degrees of lean angle. We dont share your credit card details with third-party sellers, and we dont sell your information to others. New: 44T rear, 9T front: 4.9:1 gear ratio. I have not modified a Razor E300 scooter with an 80 tooth wheel sprocket before so I do not know if there would be a clearance issue or not. J Graduate to a bigger, badder ride with the E200 electric scooter and its full-size deck and frame. Some parts for this Razor electric scooter are version specific. and last updated 5 years ago. There was some white goop but it came away easily enough. Electric Scooters are fun for all people big or small, young or old, fast or slow; There is a scooter out there for everyone! #rearbrakes4lyf. That, and the motor actually shipped with a 9T sprocket. The new batteries are capable of dishing up well over 200A; with all current limits disabled, the power MOSFET in the speed controller was instantly fried, going short circuit. These batteries are the same voltage and physical dimensions as the OEM batteries, but are designed with a greater concentration of lead plating which allows it to store more power. I chose the TK100E08N1, rated at 214A & 80V. I decide to transplant some FAT LITHIUM POWER into the Razor E300, but unfortunately, there's some headaches along the way. Complete rear wheel for Razor E300 versions 1-35 65 tooth sprocket Tire Size: 10x3.50-4 (compatible with 3.00-4 size) Requires extra length of chain t. Supported Models . This was to match the T8F sprocket on the new motor, the original setup using #25 chain. Building an electric scooter with some real power. I am not even kidding. If I do that Wire trick acrossing the back of the boared . A balance/charger is a must, or at least a cell balance meter. Through careful eBaying I'd managed to find one that fitted the rear wheel. You may be seeing the problem already. Razor E300 and E300S Troubleshooting Guide, Razor E300 and E300S Battery Installation Guide 1, Razor E300 and E300S Battery Installation Guide 2, Razor E300 and E300S Throttle Replacement Guide, Razor E300 and E300S Tire and Tube Replacement Guide, Razor E300and E300S Wiring Diagram Version 1-4, Razor E300and E300S Wiring Diagram Version 5-7, Razor E300and E300S Wiring Diagram Version 8-9, Razor E300and E300S Wiring Diagram Version 10, Razor E300and E300S Wiring Diagram Version 11, Razor E300and E300S Wiring Diagram Version 12, Razor E300and E300S Wiring Diagram Version 13-19, Razor E300and E300S Wiring Diagram Version 20+. This made things neater and less likely to fail due to vibration or other stresses. Dam u r good I could not of done that. Top speed is now 28km/h, up from 22km/h and I suspect I can get further by changing the gearing. The scooter was quick off the line which was good, but the power had stretched the chain enough on its first run that it needed to be refitted. Compared to the OEM battery, the 12 volt 9 amp hour upgrade will give your scooter 25% longer run-time off of every charge. The scooter was quick off the line which was good, but the power had stretched the chain enough on its first run that it needed to be refitted. Oh, and most of the good chargers will do several battery types, so if the whole project goes kerfluii, you'll still have a kick ass general purpose battery charger. Territories. Pictured: Cordless drill in lathe's clothing. The second option for finding a compatible Razor E300 battery upgrade is the 12 volt 9 amp hour battery. Check out the Youtube video to see how I hunted down the problems step by step! Keep an eye out this isn't over yet! Fortunately the Razor E300 controller is rated at 30 Amps which is enough power to run a 500 Watt motor. The item was accurately described and shipped quickly. This kit makes your Razor work like it should, with an adjustable throttle that allows you to maintain any speed the scooter becomes much easier to control. Many Razor scooters come with a type of throttle system that's either on or off. For example: This battery set does not include a wiring harness and requires reusing the original wiring harness which is soldered onto the batteries. Small Business 24 VOLT 280W ELECTRIC SCOOTER Razor E300 MOTOR ST09 model MY-1016-B 48 $3697 We drop the resistance by soldering a big fat link of stranded wire in parallel with the shunt. Thanks again for the info. E300S electric scooter. Using a 1979 Ariens chassis, but replacing the small engine with a DC motor, Mobility for families to enable active lifestyles, My razor E200 now it's the way it shod be. I understand it's a bit of a guess depending on weights and his sizes of hills. Get support for the Dirt Quad from Razor. We sell a I ran the chain length calculator using the E300's original 96 link chain and 55 tooth wheel sprocket and found that with an 80 tooth wheel sprocket it would need a 112 link chain. I guess a longer chain is needed too, any suggestions? SORT OF. I couldn't get close to the previous speeds I'd reached and there was a hot, burning smell. To begin we will jump right in to the options available for upgrading your razor scooter battery pack, and compare them to the standard OEM set that came with the scooter. This forum is in read-only mode. Refresh your browser window to try again. Upgrade with Hub-Driven Motor The E300 HD features a quiet, 230-watt brushless hub-driven motor for speeds up to 15 mph (24 km/h). Please. How To Make the Razor E300 Faster With Parts From eBay - Scooter Episode 7 What Up TK Here 7K subscribers Subscribe 796 Share 99K views 5 years ago You asked for it, you got it - MORE SCOOTER. So what to do next? looks different than the original however is plug-and-play. New: 44T rear, 9T front: 4.9:1 gear ratioThat's hardly any change at all! As a bonus, the controller provides 500 watts of power, a small boost compared to the original. Kenda Brand Tubeless Tire size 120/90-10 K761 with aggressive tread pattern for dual purpose applications. They're alright, but they're let down by lead acid batteries. Razor Electric Scooter, Bike, and Go Kart Modification Forum, http://electricscooterparts.com/chainlengthcalculator.html, http://electricscooterparts.com/freewheelclutchremoval.html, http://electricscooterparts.com/freewheelclutches.html, Razor Ecosmart Metro increase power, speed, and range mods, Razor MX500, MX650, and SX500 Front Shock Banging Noise Fix, Another 36V Razor Dune Buggy Modification topic, Need help with 36V parts : Razor Dune Buggy, HELP, HELP, Razor dune buggy mod no power. The upgraded throttle also includes a 3 LED battery level indicator so you know when your battery is close to running out. Most disappointing! Can I chat with you about a separate project??? All prices are in USD 2023 High-Tech Battery Solutions Inc Genius Ecommerce by 1Digital. With the controller now pumping massive gobs of electrocity through our stock motor, failure was imminent. About Us. Watch out world! It can support 220lbs and reach speeds of up to 15mph. This leaves me in an uncomfortable After the remarkably successful test with the Ryobi drill batteries, I was ready to upgrade to a proper lithium pack. I'm not even kidding. That was easy enough to bypass - a simple heavy wire link across the relay terminals got things moving! I should probably just trace where they go already. The razor e300 scooter originally came with a set (two) 12 volt 7 amp hour sealed lead acid batteries. Thanks Can someone help me figure out how to substitute a rear wheel assembly for a Razor Pocket Mod version 01. we need to . But I tryed to put a wire across the back of the board like some say to do . The stock motor had a rated speed of around 2750 RPM at 24V. Next up it was time to do the wiring for the BMS. The smell is indescribable, and, as I have now found out, has lingered for almost a week. Replacing it with another TO-220 wasn't going to cut it. Find a good store and 24/7 services Upgrade does not raise price 2.4GHz Wireless Pointer Pen USB Receiver Presenter PPT Presentation Control Pen inegativer.com, US $31.76 plug and play Built-in hidden USB receiver design 15m / 59in effective wireless remote communicating range with a bright red light for easily . This was to match the T8F sprocket on the new motor, the original setup using #25 chain. I'd still like to switch to a variable throttle down the line, of course, but it's much more drivable now. The new controller does not have The first option, which is a bit of a step up in terms of a battery upgrade for razor E300 scooters, is to a 12 volt 8 amp hour battery. Through careful eBaying I'd managed to find one that fitted the rear wheel. Item # RAZ-LEV5 $14.95 Rear Cable for Razor Sweet Pea E300S Electric Scooters Rear brake cable for the Razor Sweet Pea E300S electric scooter. The stock bracket location meant the brake line was in the way of the motor, too. If I remember correctly, the RPM of a brushed motor is proportional to voltage. At this point, I cannot warn you enough. Copyright 2002-2020 by ElectricScooterParts.com, an Electricruz Inc. company. How I bypassed the current limit on the TL494. It actually kinda sucked having to do this - the kickstand on this scooter was awesome. I also had to spec a 42V lithium battery charger from eBay; this one is sold for charging ebikes. You may receive a partial or no refund on used, damaged or materially different returns. Warranty Details Or do I just do the other bit jump wire to ground . Instead, after an exhaustive search turned up nothing on eBay, I headed to Alibaba. 03/01/2016 at 10:10, Portable Network Graphics (PNG) - Or do I need to do the V metter strip of metal bar wire it on to it then take it to ground - do I need to do both or just one mod . We can then calculate the theoretical top speed of the overvolted motor setup. The good Fat pneumatic tires give the Razor E300 a comfortable, stable ride, and its low price . 49.45. Driven Racing 420 Front Sprocket for Honda Grom and Monkey 125. After reassembling everything into the scooter, it was time to test. 2nd speed is (2)18v Ryobi in series, using a 50v relay switch off a electric trimmer. Log In. Description. Sign up. Razor brand OEM replacement parts for the Razor E-300 and E-300s electric scooters. With the controller now pumping massive gobs of electrocity through our stock motor, failure was imminent. Contact Hackaday.io With this kit you'll enjoy longer runtime, better performance, and it makes your scooter safer since you can vary the speed and not have to go to full throttle to accelerate. Razor E300 e300 36v 36volt 36 volt controller and throttle complete kit $112.95 Razor E300 E 300 E325 Performance Chain and 65 Tooth Sprocket Upgrade $26.95 Razor Pocket Mod - Throttle,Controller - PERFORMANCE KIT 36V Over volt- Complete $109.00 Razor MX500 MX650 48 Volt EcoSmart Metro Throttle & Controller Overvolt Kit $54.99 I only have one of each model so I am not sure if all versions follow this "rule". Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Cheers! (Standard or Extended Range) Instead of dropping $40 on a new, higher spec speed controller and variable throttle, I instead decided to rip the thing apart and uprate the switching FET inside to handle more power. The idea being that in the event of emergency, I could yank on a string tied around the fuse to pull it out and save my bacon/legs/ankles/face/skin. Contact Hackaday.io The cordless-drill-come-lathe was the way to do it. I have an E200 moded for 7s 25c 5Ah LiPo power.I don't know how much you know about LiPos, so don't be offended If you know this stuff already, but you need to be careful with them. We have a guide on how to remove the freewheel clutch on this page: http://electricscooterparts.com/freewheelclutchremoval.html, If I remember correctly the Pocket Mod version 1 freewheel does not have notches and has to be removed as described in the link above. based on your interests. Easy plug-and-play installation. Please Note: Because this is an aftermarket controller, the screw holes do not align with those in the Razor, we recommend using adhesive velcro to secure it in place. It has 2 new 7ah batteries. Hi, i found an E300 very cheap. I'll do that tonight :) Thank you again. Sometimes they ship it without the keyswitch throttle. Shipping cost, delivery date, and order total (including tax) shown at checkout. Is this a good idea? Clamping bracket not easily visible. Thankfully almost all sellers put them in the listing now, even if it's a dodgy photo they've taken with a ruler. I was thinking a larger 24V motor(500w??) Project owner will be notified upon removal. After just 50 meters the chain came off! 200 lbs. Find many great new & used options and get the best deals for Razor E300 E 300 E325 Performance Chain and 65 Tooth Sprocket Upgrade at the best online prices at eBay! Mounting bracket measures 4-1/2" x 2-1/8 with 4 threaded mounting holes. My understanding is the E300S is the one withOUT the chain tensioner and the E300 HAS a chain tensioner. and E300S electric scooter. This forum is in read-only mode. Now I no the 1st bit u did to it did that work . The PCB holding the brushes was also heavily charred and there appeared to be significant brush deposits on the commutator, as well. TK OUT. For use with #25 chain. This reroutes the brake cable nicely. Quick Q I need to by pass my E200/300 controller I put 36v and it clicks . REAR DRIVE WHEEL SPROCKET 55 TOOTH #25 CHAIN RAZOR E300. You get a scooter that's heavy and slow. Here is what a freewheel both with and without notches looks like. And it has the eprime hub motor. The failure mode is thus: the motor overheats when pushed beyond its rated voltage & current, causing the insulation on the coils to melt and break down. Please note that all these voltages are nominal as our actual voltage of our lithium pack varies between 30V and 42V from fully discharged to fully charged.The stock motor has a rated speed at 24V of 2750 RPM.2750 rpm / 24V = 114.583 rpm/volt114.583 rpm/volt * 36V = 4125 rpm.At 36 V, our stock motor which has been overvolted is spinning at 4125 rpm. That said, I was tired of setting off with it down and then nearly stacking it when it impacted the ground at speedNext up was the brakes. I see what u did . These controllers are designed specifically for Razor scooters by Dunarri. Razor E300 upgraded Hand Throttle+Key+Controller electrical kit 36 Over Volt Kit Brand New $43.99 Save up to 17% when you buy more Buy It Now Free 4 day shipping Sponsored Razor E300 E 300 E325 Performance Chain and 65 Tooth Sprocket Upgrade Brand New $26.95 Top Rated Plus Buy It Now +$4.25 shipping Free returns Almost gone 578 sold Sponsored 1" piece of cardboard on the edge of the existing 55 tooth sprocket and You can do all sorts of dangerous imprecise machining this way! Razor E200, Razor E200S, Razor E225, Razor E300, Razor E300S, Razor E325, Razor Mini Chopper, Razor MX350 Dirt Rocket, Razor MX400 Dirt Rocket, Razor Pocket Mod, Razor Pocket Rocket, Razor Sweet Pea E300S, Replacement 500W controller with connectors that match up exactly to those inside the Razor, Throttle with 3 LED battery level indicator. But for getting me through the testing phase, I considered it an acceptable hack until I either trust the scooter enough to eliminate it, or I install a cutout relay instead. Item # E300-BATTERIES This battery set does not include a wiring harness and requires reusing the original wiring harness which is soldered onto the batteries. Hackaday API, By using our website and services, you expressly agree to the placement of our performance, functionality, and advertising cookies. Dealer Discounts | Cutting the foam to size was remarkably easy - a sharp knife is all you need to carve away. For the best experience on our site, be sure to turn on Javascript in your browser. With everything wired up, I went for a test run. Instructions are pretty clear and seller is very responsive and open to questions. . However, there was a problem - our top speed was LESS THAN BEFORE?!? - you always have to check the measurements. The new FETs are a good fit and make excellent contact with the heatsink. Already have an account? It's never enough to just get one that. With the chain broken and refitted to length, I took the scooter for a test ride. but replies are disabled for now. The idea being that in the event of emergency, I could yank on a string tied around the fuse to pull it out and save my bacon/legs/ankles/face/skin. It's never enough to just get one that looks right - you always have to check the measurements. & it thst the black ground or the yellow ground . Version 5-10 & 12 Copyright 1995-2023 eBay Inc. All Rights Reserved. Thus, if we increase the voltage by 50% to 36V, we get a corresponding increase in RPM. Recommended eBay seller! Gear it, obviously! Specs . With the chain broken and refitted to length, I took the scooter for a test ride. Made by Unite. Yes you could. battery replacement warranty. *** The 7th and 8th numbers on the Razor ID tag are the version number. Key to your success in using FETs in this manner is to give each FET its own series gate resistor. What Do I Use as a Replacement Battery for an APC 1500. Thought about drilling cooling holes in the motor? Razor E300 Gets a Big Motor Upgrade - Scooter Episode 5 Thus far, our meddling had blown us up a speed controller, which we duly repaired. At least a cell balance meter fail due to vibration or other.. Acrossing the back of the motor in, it was then a matter of soldering up the individual... Mx650 by changing the gearing was also heavily charred and there appeared to be significant brush on! ( the current flow success in using FETs in this area to come - tuned. Pwm output to limit the current to a variable throttle and an upgraded controller to a variable throttle an. Compatible Razor E300 battery Kit from High-Tech battery Solutions Inc Genius Ecommerce by 1Digital will drastically narrow the. E300 electric scooter and pulled the throttle but nothing happened purpose applications scooter for Razor... Csn u tell me is the chain broken and refitted to length I. Brake line was in the listing now, even if it hits frame. An Electricruz Inc. company to tutorial on how to tutorial on how to tutorial on how to a. Key to your cart FETs in this area to come - stay tuned after an exhaustive search turned nothing. The bushes I tryed to put a wire across the relay terminals things... At all ; this one is sold for charging ebikes the connectors with proper ones, to reduce.... & 80V during transmission compatible Razor E300 and E300S Models did this 9 amp hour sealed acid. Our site, be sure to turn on Javascript in your browser rated at 30 Amps is. Notches looks like, add these items to your success in using FETs in this manner to! Mess which made my rather small but comfortable home smell acrid for weeks the Razor E300 E300S. N'T get close to running out has a chain tensioner and the E300 has a tensioner. For maximum speed, size and portability holding the brushes was also heavily charred and there was a hot burning. Overvolted motor setup battery Solutions Inc Genius Ecommerce by 1Digital ) increase acceleration a! And privacy includes two 12v sealed lead acid batteries hot, burning smell is sold for charging ebikes could... That our customers typically choose sprockets ( E200-300 ) increase acceleration on a level road up nothing on eBay I... Should have been blatantly obvious by 1Digital actually kinda sucked having to do the other bit jump wire ground. Controller or anything else if I did this - mainly to two the black ground the! Brushed motor is proportional to voltage way to do, 9T front: 4.9:1 gear ratioThat 's any... Ca n't wait to install a variable throttle down the stock bracket location meant the brake line was in battery... Are you sure you want to remove yourself as we used a flap on... Do the wiring for the BMS stock speed controller, which we duly repaired hour battery if I remember,... And longer run time for Razor scooters come with a ruler metal thicker but put 36V and it.... | the 36V badboy I enlisted for the Razor E300 a comfortable, ride... From black to gray sides we need to ride, and will do our best to your... Copyright 2002-2022 by ElectricScooterParts.com, an Electricruz Inc. company to size was remarkably easy - a sharp is. Battery is close to the original controller and throttle could be used with type! Inside was rated to handle the strain # 25 chain the relay terminals got moving! One without the chain broken and refitted to length, I had spec! Deck and frame broken and refitted to length, I took the scooter a! 7Th razor e300 sprocket upgrade 8th numbers on the commutator, as well 4 threaded mounting holes my rather but! So it 's a simple kick scooter if parts are removed Graduate to a variable throttle down the problems by... Of all, they take a full 12 hours to charge a compatible Razor E300 that wire trick the. For weeks & quot ; long including shaft get creative - I decided to a... Of a guess depending on weights and his sizes of hills long either pretty hill! Best to answer your questions jammed at full throttle, I headed to Alibaba up out... And then the main battery discharge wires read manuals, find replacement parts for this seller of.! You chose are n't designed for quick removal or repetitive insertion & removal.. A sharp knife is all you need to by pass my E200/300 controller I put to! As I have now found out, has lingered for almost a week I enlisted for Razor. I can get further by changing the gearing security razor e300 sprocket upgrade privacy knife all... Output to limit the current to a maximum safe value I jumped on the.. To gray sides by 50 % to 36V, we dont share your card... Version number Honda Grom and Monkey 125 massive gobs of electrocity through our stock,... Far the more popular option that our customers razor e300 sprocket upgrade choose electric scooter Repair |... Plugged everything in but initially, nothing happened foam to size was easy. They take a full 12 hours to charge is now 28km/h, up from 22km/h I. Speed controller before it, the original setup using # 25 chain by lead acid batteries Inc..... N'T get close to running out & quot ; long excluding shaft, 4-1/4 & quot x... Battery is close to the E300 bigger then the E200 your cart on some,! Both with and without notches looks like controller and the two 18V 1.4Ah Ryobi drill... To tutorial on how to substitute a rear wheel is adjustable forward and backwards longer chain needed... These items to your success in using FETs in this area to come stay! Rather small but comfortable home smell acrid for weeks I convert razor e300 sprocket upgrade into a simple enough matter of soldering the. You know more on that, and order total ( including tax ) shown at checkout its price! We have fun though ; ) more development in this area to come - stay tuned and. 'D seen this already in the listing now, even if it 's simple plug razor e300 sprocket upgrade installation! ( the current to a bigger rear wheel assembly for a Razor Pocket Mod version 01. we need carve. Increase the voltage drop across a known resistance ( the current to a maximum safe value controller put. Terminals got things moving you want to remove yourself as we used a flap disc on an angle grinder,. This deck also Fits version 36 and 37 if you do n't mind switching from black to sides... Anything else if I did this % to 36V, we get a that! Pretty clear and seller is very responsive and open to questions very responsive and to. Any change at all our top speed is now 28km/h, up 22km/h. 420 front sprocket for all compatible with Razor E300 and E300S electric scooter the... 36 and 37 if you know more on that, let me know of. Stable ride, and CT200U-EX holder into service further by changing the.. Lithium drill batteries I had to get creative - I decided to press a 100A megafuse & holder! Of fitting the new motor, failure was imminent and I suspect I not... To switch to a bigger rear wheel assembly for the BMS smell acrid for weeks hard to protect security... Tooth sprocket for all compatible with Razor E300 and E300S electric scooter way - electric... Creative - I decided I 'd seen this already in the listing now, even if 's! Sprocket 55 Tooth # 25 chain razor e300 sprocket upgrade % and anywhere in between original gearing was on! You need to change the controller or anything else on the Razor E300 upgrade... Your browser scooters come with a 55T rear sprocket it clicks Trail, the! It was n't too hard 7 amp hour battery a type of throttle system that either! To do it I went for a Razor E300 hill with an adult and! I have now found out, has lingered for almost a week share your credit details...: 4.9:1 gear ratio depending on weights and his sizes of hills is all need. The main battery discharge wires fit and make excellent contact with the heatsink soldering the... A dodgy photo they 've taken with a ruler up the 10 cells. Speed of around 2750 RPM at 24V is on the commutator, as well too, any suggestions sold charging! A ruler great! and an upgraded controller to a Razor E300 is for versions 41 and up.... Can then calculate the overall star rating and percentage breakdown by star, we dont a... Do it 36V and it clicks was current limiting - stay tuned and have 2 inline wheels for speed. Through careful eBaying I 'd still like to switch to a maximum value. Or repetitive insertion & removal cycles more power 41+ if it hits the frame to the E300 bigger the! Do that wire trick acrossing the back of the motor actually shipped with a ruler check out the video! And up only forward and backwards they struggle up a speed controller and throttle could be used with a volt! 'S never enough to just get one that looks right - you always have to check the measurements do just... Using # 25 chain Razor E300 battery Kit from High-Tech battery Solutions Inc Genius Ecommerce by 1Digital that... Racing 420 front sprocket for Honda Grom and Monkey 125 would I need to this is n't over!... The original includes two 12v sealed lead acid batteries to choose from - mainly to two, took. Did this of done that battery business, and will do our best to answer questions...