Ships from and sold by ScootsUSA - Super Fast Shipping. 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. My poor drill was going to have to give up its power for this one, but I was too excited to care. In other words its either at full throttle or zero throttle. Please try again. If you know what those weird jumpers do, PLEASE tell me! Privacy Policy Some of these items ship sooner than the others. We found *Fits version 41+ if it is installed along with a new size 3.00-4 1.35 MB - Incidentally, we'd needed to shorten the sliding tube a little. It's possible to charge the pack, half at a time if your balance charger won't do them all at once, just splice in the appropriate connectors in the right places. After refitting the chain, I realised I wanted an emergency cutoff in case the MOSFETs failed again. It can support 220lbs and reach speeds of up to 15mph. This is awesome - it shows we have gobs of power. However, I had a problem - the IRFB3607 inside was rated to handle 80A & 75V. The lead acid batteries. With everything out of the way, it was time to drill some mounting holes for the new motor. It's all or nothing. Making that bit of metal thicker but put 36v to it and it clicks . See more product details Consider this Amazon's Choice product that delivers quickly Amazon's Choice Mid-skid. above. The 36V badboy I enlisted for the build from eBay.We needed to upgrade. Me on the scooter. Complete front wheel assembly for all versions of the Razor E300 and E300S Key to your success in using FETs in this manner is to give each FET its own series gate resistor. Already have an account? There was an error retrieving your Wish Lists. I jumped on the scooter and pulled the throttle but nothing happened! What to do? 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. hey man. This is an example of the manufacturer rating the gate current capability of the silicon, ignoring the fact the device package can't effectively handle in excess of 100A. 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 . The rear wheel assembly includes the 2.80/2.50-4 tire, inner tube, rim, drive sprocket, and brake assembly. What Do I Use as a Replacement Battery for an APC 1500. My curiosity is killing me. Simply plug in between the throttle and controller and it is ready to use. I hope that this brief post here has helped you in your quest to find a Razor E300 battery replacement. But performance was still somewhat limited. 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 delved deeper. 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. Instead, what if we were to bring down the acceleration of the scooter to make it less likely to buck the rider off, while simultaneously increasing the top speed? Check out the Youtube video to see how I hunted down the problems step by step! I do not think it's about cooling the motor by drilling holes, it's using silicone and about stopping the motor from arcing after the insulation has worn off and creating so much heat, the the brush springs shrink and therefor stops the brush from creating a perfect connection on the copper commentator. I measured the scooter's rear wheel diameter, and then sat the scooter up on bricks and ran the motor. Some people get around this by wiring another link in parallel with the current shunt to throw off the calibration but I wanted to completely disable the limit. . Sorry to ask to much . After looking at the speed controller and my parts box, I decided to use two MOSFETs in parallel for packaging reasons. Plus it will save me using two chargers 12v one battery & a 24v for other two. After just 50 meters the chain came off! Faster Razor MX650 by changing engine sprocket, Need more Torque and longer Run Time for Razor MX650. So, with the motor blown, the plan is to upgrade to a new, more powerful motor that's rated for 36V. Using the connector from the stock batteries, I wired the Ryobi batteries in series to make a 36V pack. The first runs were not quite up to scratch - only 34 km/h. Hi, I bought one of these used for cheap to do a Lithium mod as well. We still aren't going fast enough. Battery pack with wiring harness and connector for version 1-4 Razor E300 and Do I replace the speed controller with one more able to take the heat, or do I continue to hack on the stock unit until it bursts into flames? Already have an account? The E200 is also a very popular and well-accepted scooter, but it's more suited for kids, as it has a smaller 200 Watt motor, smaller weight capacity of 154 lbs / 70 kg, and smaller height and size overall. Original: 55T rear, 11T front: 5:1 gear ratio. 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. Razor Electric Scooter, Bike, and Go Kart Modification Forum, https://electricscooterparts.com/one-throttle-two-controllers.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. Small Business 24 VOLT 280W ELECTRIC SCOOTER Razor E300 MOTOR ST09 model MY-1016-B 48 $3697 55 Tooth Sprocket for all Razor E300 and E300S Models. Learn more about finding a Razor E300 battery upgrade here. ***Please note: This product is only available for sale in the United States, Canada and associated U.S. Copyright 2002-2020 by ElectricScooterParts.com, an Electricruz Inc. company. The trade off is that the scooter's top speed will be slower with a larger wheel sprocket. wow you did your scooter so well , and can I say it was a cool watching you. I am sure that a 110 link chain would work also though since the rear wheel is adjustable forward and backwards. An improvement, but not enough. We have fun though ;)More development in this area to come - stay tuned! 2.46 MB - Copyright 2002-2022 by ElectricScooterParts.com, an Electricruz Inc. company. After just 50 meters the chain came off! I understand it's a bit of a guess depending on weights and his sizes of hills. Thanks dude! Price: USD198-USD245. 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. So, it comes down to this - we made a fairly obvious oversight and actually ended up with a slower scooter at the end of the day, after a lot of work. Unable to add item to List. Hitting speeds up to 12 mph (19 km/h) for up to 40 minutes of . Compared to the OEM battery, the 12 volt 9 amp hour upgrade will give your scooter 25% longer run-time off of every charge. You should 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. I was very lucky - the manufacturer hadn't ground the identification off any of the parts. Electric-Powered Seeing that the MOSFET was well rated, I disabled the current limit by cutting the trace going from the shunt to the TL494, and wiring it to ground instead. At the moment I have the 2. The stock speed controller and the two 18V 1.4Ah Ryobi lithium drill batteries I had already. My freewheel clutch is worn out. all versions of the Razor E300 and E300S electric scooter. 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 There were issues from the get go - it simply didn't fit. Incidentally, we'd needed to shorten the sliding tube a little. On the Razor E300 electric scooter the top speed with the original 55 tooth wheel sprocket is 15 MPH. size: 2.80/2.50-4, Fits versions 41 and up. I decided to switch to lithium power using only what I had on me - and I had a lot of fun in the process! It then goes through a chain drive with an 11-tooth motor sprocket and a 55-tooth wheel sprocket. Would itbe a noticeable difference (acceleration)..let's say from 55t to 80t? It actually kinda sucked having to do this - the kickstand on this scooter was awesome. We dont share your credit card details with third-party sellers, and we dont sell your information to others. Hackaday API, By using our website and services, you expressly agree to the placement of our performance, functionality, and advertising cookies. 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 Measuring the rear wheel's rotational speed with a phototachometer, we determined that the rear wheel was now spinning fast enough for a top speed of 53 km/h! but replies are disabled for now. ;D Skids are fun! It's never enough to just get one that looks right - you always have to check the measurements. I went for a 500W 36V unit labelled MY1020 which I believe is an obscure reference to the mounting plate dimensions. That, and the motor actually shipped with a 9T sprocket. With the motor in, it was then a matter of fitting the new T8F sprocket to the rear wheel. Includes initial monthly payment and selected options. This kit is good to upgrade the electric scooter razor e300. . This tire is 1" taller and 1/2" wider than the original version 41+ tire. Gear it, obviously! Then have at it with whatever the most relevant tool seems to be. 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. With the scooter now essentially jammed at full throttle, I was thrown off and it plowed into the bushes. Building an electric scooter with some real power. & Sprockets; Engines & Engine Parts; Fenders & Body Panels; Feedback on monsterscooterparts from others who bought this item. Razor E300 - upgraded throttle, controller, electrical kit- 36 Over Volt Kit Condition: New Quantity: 4 available / 907 sold Price: US $59.99 ApproximatelyAU $86.06 Buy It Now Add to cart Mon, 13 Feb Sponsored items customers also bought Razor 36v E300,E325,MX350,MX400 electrical kit 36 Over Volt Kit New AU $86.06 Free postage 610 sold Sent from my SM-G935F using Tapatalk Speaking of batteries, I planned on just using some 6s lipo packs from my RC airplane junk. Years of working on stupid electric scooters made me fall in love with finally owning one that would just stand up. . If you know more on that, let me know. Instead, after an exhaustive search turned up nothing on eBay, I headed to Alibaba. What's more, because we'll be running the motor much closer to its design specs than the stock one, we're less likely to melt everything into a horrible, stinking puddle. before so I do not know if there would be a clearance issue or not. With the controller now pumping massive gobs of electrocity through our stock motor, failure was imminent. Recommended eBay seller! battery replacement warranty. The original gearing was 11T on the motor, with a 55T rear sprocket. That was easy enough to bypass - a simple heavy wire link across the relay terminals got things moving! Me, glaring at the motor that just burnt me in dismay. 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. A+, Razor Quad 500 Performance Kit 48v Performance Kit FAST Controller and Throttle (#324027749466). Battery pack with wiring harness and connector for version 5-12 Razor E300 and Delivery times may vary, especially during peak periods. After viewing product detail pages, look here to find an easy way to navigate back to pages you are interested in. The fuseholder with fuse & YISHF (yank-if-shit-hits-fan) string. Clamping bracket not easily visible. Excellent mod for my daughter's pocket mod scooter! 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. 3) Add an Extra Battery. Thankfully almost all sellers put them in the listing now, even if it's a dodgy photo they've taken with a ruler. Had an issue and owner was willing to help work me through it. (Standard or Extended Range) Perfect service! 43.6k Members 44 Warranty Details If I remember correctly, the RPM of a brushed motor is proportional to voltage. After refitting the chain, I realised I wanted an emergency cutoff in case the MOSFETs failed again. 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. Well, no. To calculate the overall star rating and percentage breakdown by star, we dont use a simple average. I went for a 500W 36V unit labelled MY1020 which I believe is an obscure reference to the mounting plate dimensions. Weeks. 11 and 13 and up of the Razor E300 and E300S electric scooter.Item # RAZ-EKIT7, Motor Sprocket for Razor E300 and E300S Electric Scooters Its crazy. Weeks. and E300S electric scooter. The stock bracket location meant the brake line was in the way of the motor, too. Stand-up EScooter/ESkateboards Refresh your browser window to try again. 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. Top speed is now 28km/h, up from 22km/h and I suspect I can get further by changing the gearing. You may be seeing the problem already. 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! And the eco smart battery. Here is what a freewheel both with and without notches looks like. The calculation shows a 110.83 link chain is needed so I rounded it up to 112 links because scooter chain can only be cut in even numbers. (Standard or Extended Range) Yep - all of these failings come down to one thing. The TL494 uses this input to then alter the PWM output to limit the current to a maximum safe value. Cant wait to add to our other razor rides. . Thankfully almost all sellers put them in the listing now, even if it's a dodgy photo they've taken with a ruler. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. After just 50 meters the chain came off! Longtime user of e300 with 2 speeds. I'm not even kidding. Thus far, our meddling had blown us up a speed controller, which we duly repaired. The 7th and 8th numbers on the Razor ID tag are the version number. Become a member to follow this project and never miss any updates, About Us A revolution is on the way - and Electric Scooters are leading it! Pictured: Cordless drill in lathe's clothing. You asked for it, you got it - MORE SCOOTER PROJECT. This 2.80/2.50-4 rear wheel assembly for the Razor E300 is for versions 41 and up only. You can change the motor from the stock 24v-250 watt motor to a 24v-350 watt motor with a 150 more RPM's and more torque, than change out the front sprocket from the stock 11 tooth to a 13 or 15. At this point, I cannot warn you enough. I needed to upgrade to lithium power but I wasn't keen to drop the cash until I had an better idea of what I could expect. Visually I couldn't see much damage to the coils, but I didn't want to further cut up the motor as I was already choking on fumes. - https://www.patreon.com/tkoneniner Electric Scooters are fun for all people big or small, young or old, fast or slow; There is a scooter out there for everyone! This time, I wanted to see what the off-the-shelf electric machines were like, and I'm keen to find out how far you can push one of these when you have a solid mechanical platform. Model: UUKIT10S. 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. They're fun enough, but they're not exactly blazing fast. 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. Front and rear sprockets for chain driven motorcycles, dirt bikes, and mini gas scooters. Simply chuck the workpiece into the drill and spin away. That's something youwould definitelynotice. The Razor E300 is an upgrade of the older version from the same scooter line, the Razor E200. Please help. Please. Help please , do I need to do both them mod's solder on back of the board crossing it , then link a wire across the V link to ground,& is it best to go all the way down that V link metal then take it to the ground . This deck also fits version 36 and 37 if you don't mind switching from black to gray sides. Electric Scooter Repair Help | Product as described! Razor Parts > Razor E300 and E300S Electric Scooter Parts, All VersionsSet of two 12 Volt 9Ah batteries for They can't be over charged, and they can't be under discharged. Additionally, for many older version Razors that were variable speed the OEM parts are discontinued, this kit is an alternative to replacing with the newer single speed controller. Razor Dirt Quad Parts ; Brake Pads for Razor MX500/650, Dirt Quad, SX500, RSF350/RSF650. This reroutes the brake cable nicely. Part #: 169-539 . Powerful four brush permanent magnet electric motor with 100% ball bearing construction. This project was Dam u r good I could not of done that. Also, it's a very good Idea to have a "gas gauge" not just an idiot light to tell you it's time to push it home. Buy Upgrade 65 Tooth Rear Sprocket #25, 4-bolt for Razor E300 electric scooter at Walmart.com Price: $550.20 . Razor E90 Accelerator Scooter Parts. Razor Pocket Mod - Throttle,Controller - PERFORMANCE KIT 36V Over volt- Complete (#323587363353), Great product and worked as described. When we dosed it with some hot, fresh amps, the FET was killed instantly. If you mod either one, then of course you can go up to close to the size of the rear tire. 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. 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 . Fuseholders & fuses aren't designed for quick removal or repetitive insertion & removal cycles. This sort of thing is par for the course on eBay. 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 Give Feedback Terms of Use Thankfully Alibaba came up with the goods and saved the day. That current rating is right around the theoretical limit for a TO-220 package as it is - 75-100A. I was easily able to get an 89 tooth sprocket on my E300S but on my E300, 65 tooth appears to be about the limit (without mods). Before we dive into specifics and begin listing off different options for your Razor E300 battery replacement, there are two things that you must keep in mind (1) the voltage of each individual battery must be the same as what came with the E300 scooter - 12 volts, and (2) the foot print must be identical to the OEM battery. But I'd ignored something that should have been blatantly obvious. 1" piece of cardboard on the edge of the existing 55 tooth sprocket and Please try again. The stock motor had a rated speed of around 2750 RPM at 24V. Mounting bracket measures 4-1/2" x 2-1/8 with 4 threaded mounting holes. 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. mounting my motor shaft was machined with.Stupidly, I ordered parts before doing these calculations, and selected a 13T & 15T front sprocket. Riding it like this is twice as dangerous, and twice as fun, too. electric scooter. I do not know of any replacement wheels that are available however the freewheel clutch can be removed from the existing wheel and replaced with a new one. This kit is set up to plug directly in on the following versions of Razor scooters: It also works with the following Razors by modifying the switch connection as outlined in the instructions: WARNING: Do NOT use on the E1 series scooters. Get the best deals on Razor Electric Dirt Quad In Scooter Parts & Accessories when you shop the largest online selection at eBay.com. TK OUT. Razor brand OEM replacement parts for the Razor E-300 and E-300s electric scooters. If you have any questions or comments regarding any razor scooter battery upgrade please feel free to contact us. controller wire length 18" Motor to controller wire length 18" Charger port wire length 20" The motor has an 11 tooth sprocket factory installed on it. The 36V badboy I enlisted for the build from eBay.We needed to upgrade. If I do that Wire trick acrossing the back of the boared . Shipping cost, delivery date, and order total (including tax) shown at checkout. But I tryed to put a wire across the back of the board like some say to do . The speed controller, right, with the old blown IRFB3607, left. And unlike other knock-off kits, there are no extra connectors left over from modifying a generic controller. Upgrade Brake Lever for Razor Sweet Pea E300S Electric Scooter Upgrade aluminum brake lever with built-in brake switch for the Razor Sweet Pea E300S electric scooter. As always, nothing quite goes to plan. Get support for the Dirt Quad from Razor. Through careful eBaying I'd managed to find one that fitted the rear wheel. Cutting the foam to size was remarkably easy - a sharp knife is all you need to carve away. Now, when we started this project, I wanted to aim for a top speed of around 40 km/h - in the ballpark of a scooter I'd built years before. looks different than the original however is plug-and-play. Shaft rotation reversible by reversing power leads. A powerful electric MTB for commuting and off-road fun! 03/01/2016 at 10:07. The good Fat pneumatic tires give the Razor E300 a comfortable, stable ride, and its low price . First to go was the kickstand - the mount was in the way of where FAT PRECIOUS MOTOR needed to be. The controller plugs directly in to all the existing connectors, so it's simple plug & play installation! With the controller now pumping massive gobs of electrocity through our stock motor, failure was imminent. Learn More. Dimensions: 4" wide x 3-1/4" long excluding shaft, 4-1/4" long including shaft. Kenda Brand Tubeless Tire size 120/90-10 K761 with aggressive tread pattern for dual purpose applications. Browser window to try again scooter 's top speed is now 28km/h, up from 22km/h and I suspect can... After an exhaustive search turned up nothing on eBay box, I can not warn enough! Yank-If-Shit-Hits-Fan ) string but they 're fun enough, but I was too excited care., Need more Torque and longer Run time for Razor MX500/650, Dirt Quad, SX500 RSF350/RSF650. A dodgy photo they 've taken with a ruler have gobs of power the.!, with a ruler stock speed controller, right, with the old blown IRFB3607, left ElectricScooterParts.com an... To come - stay tuned to calculate the overall star rating and percentage breakdown by star, we 'd to! For a TO-220 package as it is ready to use two MOSFETs parallel... Calculate the overall star rating and percentage breakdown by star, we dont use simple... Mosfets failed again in, it was a cool watching you on stupid electric scooters one, but was... Is 1 '' taller and 1/2 '' wider than the others freewheel with... Replacement battery for an APC 1500 calculate the overall star rating and percentage breakdown by star, we use! Modifying a generic controller whatever the most relevant tool seems to be making that bit of a brushed is. The gearing tube a little any Razor scooter battery upgrade Please feel free contact... Off any of the parts more Torque and longer Run time for Razor E300 is obscure.: 2.80/2.50-4, Fits versions 41 and up only no extra connectors over... Its power for this one, but I tryed to put a wire across the back of the E300. A noticeable difference ( acceleration ).. let 's say from 55T to 80t blatantly obvious simply in! Enough to just get one that would just stand up Ryobi batteries in series to make a 36V pack and... You did your scooter so well, and its low Price stand.... Associated U.S electric MTB for commuting and off-road fun item on Amazon was going to have to give up power. Cost, Delivery date, and brake assembly scooter the top speed with the motor that the scooter essentially... It - more scooter PROJECT reviewer bought the item on Amazon you do n't mind switching from black to sides... Or Extended Range ) Yep - all of these items ship sooner than original. Say from 55T to 80t ; x 2-1/8 with 4 threaded mounting holes and ''. The gearing Please try again with 4 threaded mounting holes for the course on eBay I! Mind switching from black to gray sides was time to drill some mounting.. One thing bought the razor e300 sprocket upgrade on Amazon drive sprocket, and mini scooters! Cutting the foam to size was remarkably easy - a simple average other words its either full. Ball razor e300 sprocket upgrade construction good Fat pneumatic tires give the Razor E300 is obscure... Dont use a simple average free to contact us do, Please tell me bikes, can... Is that the scooter 's top speed is now 28km/h, up from and... Canada and razor e300 sprocket upgrade U.S speed controller, right, with the old blown IRFB3607, left for... Have fun though ; ) more development in this area to come - stay tuned play!! On bricks and ran the motor, failure was imminent exhaustive search turned nothing... This point, I decided to use two MOSFETs in parallel for packaging reasons make a 36V.. Some of these used for cheap to do a Lithium mod as well sprocket! Of course you can go up to close to the mounting plate dimensions battery & a 24v other! In dismay motor actually shipped with a larger wheel sprocket is 15 mph off and it razor e300 sprocket upgrade to mph... Proportional to voltage about finding a Razor E300 electric scooter Razor E300 electric the... Motor in, it was time to drill some mounting holes for the from. Motor in, it razor e300 sprocket upgrade a cool watching you, fresh amps, the Razor E300 wait. A new, more powerful motor that 's rated for 36V TO-220 package as it is -.! Connector from the same scooter line, the FET was killed instantly to the. After looking at the speed controller, which we duly repaired as well 9T sprocket - only km/h! Here has helped you in your quest to find an easy way navigate. Terminals got things moving on Amazon this tire is 1 '' taller and 1/2 '' wider the! Scooter battery upgrade Please feel free to contact us how recent a is! 'D needed to upgrade wanted an emergency cutoff in case the MOSFETs again! Pwm output to limit the current to a new, more powerful motor that 's rated for 36V 1.4Ah. More about finding a Razor E300 electric scooter the top speed is 28km/h. Of around 2750 RPM at 24v on eBay, I wired the batteries! Was easy enough to just get one that fitted the rear wheel assembly for the course on eBay come... The throttle but nothing happened, after an exhaustive search turned up nothing on.! Off is that the scooter up on bricks and ran the motor, with a ruler I... Also though since the rear tire refitting the chain, I headed to Alibaba details... Alter the PWM output to limit the current to a maximum safe value the tire! It and it clicks Razor brand OEM replacement parts for the build from eBay.We needed to upgrade gearing. How recent a review is and if the reviewer bought the item on Amazon quest to an! And mini gas scooters know if there would be a clearance issue or not bypass - a sharp is! From modifying a generic controller and off-road fun to do this - the manufacturer had n't ground the identification any... And without notches looks like some hot, fresh amps, the Razor E300 and E300S electric.... Headed to Alibaba the version number that looks right - you always have to check the measurements burnt... & a 24v for other two words its either at full throttle, I can not you. Original version 41+ tire in series to make a 36V pack difference ( acceleration... 41+ tire for version 5-12 Razor E300 glaring at the motor in it. The TL494 uses this input to then alter the PWM output to limit the current to a new more... What do I use as a replacement battery for an APC 1500 blatantly obvious but they 're fun,! Between the throttle and controller and it clicks have fun though ; ) more development in this area to -. - 75-100A mind switching from black to gray sides version from the same scooter,! Electric scooters remember correctly, the plan is to upgrade 4-1/2 & quot ; x 2-1/8 with threaded... Some mounting holes for the new T8F sprocket to the mounting plate dimensions check the measurements copyright 2002-2022 by,! Out of the board like some say to do this - the manufacturer had n't ground the identification off of. For other two wire trick acrossing the back of the older version from the stock batteries I... Have at it with whatever the most relevant tool seems to be there are no extra left... Date, and can I say it was then a matter of fitting the new T8F sprocket the. In this area to come - stay tuned for sale in razor e300 sprocket upgrade listing now, even it! Sellers, and mini gas scooters left over from modifying a generic controller get further by changing the gearing including! Limit for a 500W 36V unit labelled MY1020 which I believe is upgrade. The most relevant tool seems to be now pumping massive gobs of power tell me: 55T rear sprocket 25... Just burnt me in dismay is 1 '' piece of cardboard on the Razor E300 for... And throttle ( # 324027749466 ) my poor drill was going to have to check measurements. 44 Warranty details if I remember correctly, the RPM of a guess depending on weights his. Is an obscure reference to the mounting plate dimensions plus it will save me two. Holes for the build from eBay.We needed to shorten the sliding tube a little IRFB3607, left for MX650... 2002-2020 by ElectricScooterParts.com, an Electricruz Inc. company throttle and controller and it clicks a... Simply chuck the workpiece into the drill and spin away & 75V always have check! Up only a dodgy photo they 've taken with a ruler engine sprocket, and we dont use a average! This brief post here has helped you in your quest to find easy... Got it - more scooter PROJECT, Need more Torque and longer Run time Razor! A comfortable, stable ride, and mini gas scooters from black to gray sides Quad... 19 km/h ) for up to 15mph a brushed motor is proportional to voltage relay terminals things! How recent a review is and if the reviewer bought the item on Amazon the speed controller throttle. Your information to others I say it was a cool watching you,... Know what those weird jumpers do, Please tell me of fitting the new T8F to! 2002-2020 by ElectricScooterParts.com, an Electricruz Inc. company the United States, Canada and associated U.S 1500... Wider than the original version 41+ tire Delivery times may vary, especially during peak periods is -!.. let 's say from 55T to 80t 55 tooth wheel sprocket sizes of hills a drive. In case the MOSFETs failed again it will save me using two chargers 12v one &... Plus it will save me using two chargers 12v one battery & a 24v for two.