Learn More. Let's run the numbers.13T:2500 rpm * 13/44 = 739 rpm798 mm * 739 rpm = 589722 mm/min = 35.4 km/h15T: 2500 rpm * 15/44 = 852 rpm798 mm * 852 rpm = 679896 mm/min = 40.8 km/hThat looks good! Reassembling the speed controller. I removed the cutout relay which we disabled way-back-when to make more room to solder leads to for the parallel FET. I jumped on the scooter and pulled the throttle but nothing happened! wow you did your scooter so well , and can I say it was a cool watching you. Includes: tire, tube, rim, bearings, and axle. Complete front wheel assembly for all versions of the Razor E300 and E300S 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. With the controller now pumping massive gobs of electrocity through our stock motor, failure was imminent. Our new motor is a 500W, 36V motor. Item # E300-BATTERIES-XR. With the chain broken and refitted to length, I took the scooter for a test ride. My curiosity is killing me. You asked for it, you got it - MORE SCOOTER PROJECT. Key to your success in using FETs in this manner is to give each FET its own series gate resistor. This works because the circuit measures the voltage drop across a known resistance (the current shunt) to determine the current flow. 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. Thanks dude! Here is what a freewheel both with and without notches looks like. After just 50 meters the chain came off! Something went wrong. Unable to add item to List. After tearing down the stock speed controller, I found the culprit. 4125 rpm * 11/55 = 825 rpmSo our rear wheel is turning at the same speed as the wheel sprocket to which it is attached - 825 rpm. and E300S electric scooter. We definitely got to burning. Sold by LotFancy Inc and ships from Amazon Fulfillment. 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! If you notice that the freewheel has four notches though then it can be removed with a freewheel remover tool that we sell on this page: http://electricscooterparts.com/freewheelclutches.html. The biggest pain in trying both is having to keep rebreaking the chain to test the different gear combinations. I can't wait to install a proper set of hardcore LiPos and do more mods! 36 Volt 1000 Watt Razor E300 Electric Scooter Modification Power Kit. Love your project just watched the video and thought it was great!! Item # SPR-2511D, Version 41+*All Versions My poor drill was going to have to give up its power for this one, but I was too excited to care. 2017-2022 Dunarri LLC. Does that mean I need 21 amp/hrs of battery to run for an hour? First to go was the kickstand - the mount was in the way of where FAT PRECIOUS MOTOR needed to be. Shipping cost, delivery date, and order total (including tax) shown at checkout. Today I will address the issue of finding a Razor E300 battery upgrade. 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. After our last outing, we knew we had the power, but we lacked the raw speed. Mounting bracket measures 4-1/2" x 2-1/8 with 4 threaded mounting holes. The amount that the top speed will be reduced with a larger wheel sprocket can be determined by using our Top Speed and Gear Ratio Calculator. 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. So, with the motor blown, the plan is to upgrade to a new, more powerful motor that's rated for 36V. Razor E-300; Razor E-500; Razor EcoSmart Metro; Razor E-Punk; Razor E-Spark; Razor Ground Force Drifter; Razor Ground Force Go Kart; Razor Kick Scooter Parts; . Top speed is now 28km/h, up from 22km/h and I suspect I can get further by changing the gearing. 80 tooth sprocket has a 6-1/2" outside diameter, so you could tape a 1" x E300S electric scooter. 2.80/2.50-4 tire is a little smaller than the original 10x3.00-4 tire. 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. Electric Scooters / Motorcycles. I need help! Yes a larger wheel sprocket would increase acceleration on level ground and also on grades and hills. FREE Shipping on orders over $25 shipped by Amazon. 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'd still like to switch to a variable throttle down the line, of course, but it's much more drivable now. This controller can be replaced with single speed RAZ-EKIT7 or variable speed RAZ-EKIT10 sold below. Tire May Need Extra Work - HiGear 24V 350W Electric Motor Upgrade Razor E300 MX350 MX400 DirtRocket by Alfa Wheels (11T Sprocket 350 Watt 24 Volt) 26 $6999 FREE delivery Tue, Feb 21 Or fastest delivery Fri, Feb 17 Only 19 left in stock - order soon. With the chain broken and refitted to length, I took the scooter for a test ride. After reassembling everything into the scooter, it was time to test. 1.90 MB - 1" piece of cardboard on the edge of the existing 55 tooth sprocket and 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 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. . Create an account to leave a comment. 55 Tooth Sprocket for all Razor E300 and E300S Models. They can't be over charged, and they can't be under discharged. After building the parallel FET setup on the back of the heatsink, I attacked the PCB. When we dosed it with some hot, fresh amps, the FET was killed instantly. Positive. Thanks. 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. Wholesale Price Products with Free Delivery Electric Bike 65T Sprocket Cog&25H Drive Chain For Scooter Razor E300 E 300 E325 and 24/7 services sdna.co.il, C $40.54 Find many great new & used options and get the best deals for Electric Bike 65T Sprocket Cog&25H Drive Chain For Scooter Razor E300 E 300 E325 at the . *Fits version 41+ if it is installed along with a new size 3.00-4 inner tube. WEIZE 12V 9AH Rechargeable SLA Battery for Razor e200 e225, 2 Pack. I wish to use it to commute to work which is approx. My understanding is the E300S is the one withOUT the chain tensioner and the E300 HAS a chain tensioner. 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. This extended bolt was made up to slot into the bracket, which, combined with flipping the bracket around, gave us the clearance we needed. I decided to switch to lithium power using only what I had on me - and I had a lot of fun in the process! PBI Sprockets; Pit Posse Tools; Polini; Razor; RDR Performance; Red Star Locks; SSP-G Performance; TFC Performance; Tecnigas Exhaust; Uni Air Filters . Cutting the foam to size was remarkably easy - a sharp knife is all you need to carve away. 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? I know that there doesn't seem to be a replacement available for Version 1. Item # E300-FRONTWHEEL, Store Polices | After managing to switch the thing off and doing an autopsy on the speed controller, I confirmed that it was indeed the power MOSFET that had blown. before so I do not know if there would be a clearance issue or not. Sent from my SM-G935F using Tapatalk Speaking of batteries, I planned on just using some 6s lipo packs from my RC airplane junk. After just 50 meters the chain came off! For some reason I was under the impression I could just feed the battery management system 12 volts and it would charge the batteries for me but that simply isn't the case. (Standard or Extended Range) We can then calculate the theoretical top speed of the overvolted motor setup. I could overvolt this motor but I'd likely melt it again. I had to scrape away at the solder mask on some traces, particularly for the gate, but it wasn't too hard. It can support 220lbs and reach speeds of up to 15mph. The 36V badboy I enlisted for the build from eBay.We needed to upgrade. With the motor in, it was then a matter of fitting the new T8F sprocket to the rear wheel. You are about to report the project "The Razor E300 Overvolt! It has 2 new 7ah batteries. The 7th and 8th numbers on the Razor ID tag are the version number. Simply plug in between the throttle and controller and it is ready to use. Is this a good idea? Razor DXT Electric Drift Trike Parts. Some of these items ship sooner than the others. interesting value - using a GPS speedometer app on my phone, I got a top speed of. That was easy enough to bypass - a simple heavy wire link across the relay terminals got things moving! A+ service! 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). Electric Scooters are fun for all people big or small, young or old, fast or slow; There is a scooter out there for everyone! Next up it was time to do the wiring for the BMS. 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. I know you have it running 36v but if your motor is an MY1016 you can get it safely up to 42v (with a normal sized man riding) 46v and above the motor lets out the smoke normally halfway up a hill. Here is a link to it: http://electricscooterparts.com/chainlengthcalculator.html. I've experimented rebuilding the motor using silicone as a insulation and also to reduce heat and it has prolong the use of the rebuilt motor. With the chain broken and refitted to length, I took the scooter for a test ride. 3) Add an Extra Battery. Gear it, obviously! A bit of a twitch but no drive. I plugged everything in but initially, nothing happened! Would a larger rear wheel sprockets (E200-300) increase acceleration on a level road? This controller has been discontinued by the manufacturer so we Just make sure the batteries can cope with the extra power. Thanks Razor Power Core 90 Scooter Parts. Please let us know if you have any questions. Our payment security system encrypts your information during transmission. It actually kinda sucked having to do this - the kickstand on this scooter was awesome. It's never enough to just get one that. 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. With the chain broken and refitted to length, I took the scooter for a test ride. There are 0 customer reviews and 1 customer rating. The speed controller, right, with the old blown IRFB3607, left. Already have an account? Razor Dirt Quad 500 ATV Parts. Includes 12 month 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. I read a few ppl had clearance problems. Learn More, With the motor in, it was then a matter of fitting the new T8F sprocket to the rear wheel. Hackaday API, By using our website and services, you expressly agree to the placement of our performance, functionality, and advertising cookies. Yes you could. Become a member to follow this project and never miss any updates, About Us I am only going to 36v but with two motors . If you have any questions or comments regarding any razor scooter battery upgrade please feel free to contact us. Razor E300 E 300 E325 Performance Chain and 65 Tooth Sprocket Upgrade $26.95 + $4.25 shipping+ $4.25 shipping+ $4.25 shipping 24V Razor E300 scooter 96link # 25 chain $12.00 + $3.99 shipping+ $3.99 shipping+ $3.99 shipping Picture Information Image not availablePhotos not available for this variation Mouse over to Zoom Click to enlarge HOW?!? 03/01/2016 at 10:07. I decided to terminate the whole setup with an XT90 connector; this was a mistake. 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. 3) Upgrade the Current Battery. I'm not even kidding. Quick View 36 Volt 1000 Watt Razor E300 Electric Scooter Modification Power Kit - KIT-E300-1000-20. We sell a Razor E-175; Razor E-200; Razor E-300; Razor E-500; Razor EcoSmart Metro; Razor E-Punk; Razor E-Spark; Razor Ground Force Drifter; Razor Ground Force Go Kart; Razor Kick Scooter Parts; . Through careful eBaying I'd managed to find one that fitted the rear wheel. Please. It's time for MOAR MODS! Is there a wheel that will fit from those that are available now? 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. I spliced into those and just didn't charge over 2~3 amps. However, I had a problem - the IRFB3607 inside was rated to handle 80A & 75V. 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! Protect your investment with a good charger. A balance/charger is a must, or at least a cell balance meter. We work hard to protect your security and privacy. 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. 1. At this point, I cannot warn you enough. After just 50 meters the chain came off! Had an issue and owner was willing to help work me through it. 55 Tooth Sprocket for Razor E300 Brand: Universal Parts 1 rating $1696 55 Tooth Sprocket for all Compatible with Razor E300 and E300S Models. Enhancements you chose aren't available for this seller. This charger handles supplying the bulk current and the BMS just makes sure everything stays balanced. Easy plug-and-play installation. Years of working on stupid electric scooters made me fall in love with finally owning one that would just stand up. Description. To add the following enhancements to your purchase, choose a different seller. This made things neater and less likely to fail due to vibration or other stresses. Razor E300 Electric Scooter Speed Controller Upgrade. ($), Shipping cost: Copyright 2002-2022 by ElectricScooterParts.com, an Electricruz Inc. company. How Do I Extend the Life of My Razor Electric Scooter Battery Pack? Simply chuck the workpiece into the drill and spin away. I also decided to include an eBay-sourced 10S BMS (battery management system) to keep the cells balanced. 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. Clamping bracket not easily visible. I used a couple of SMD 10 ohm resistors I scavenged from an old hard drive. Riding it like this is twice as dangerous, and twice as fun, too. a member for this project? I'll do that tonight :) Thank you again. 03/01/2016 at 10:17, Portable Network Graphics (PNG) - There were issues from the get go - it simply didn't fit. AND IT WORKED. Project owner will be notified upon removal. Sign up. It's time for MOAR MODS! But I'd ignored something that should have been blatantly obvious. That, and the motor actually shipped with a 9T sprocket. Give Feedback Terms of Use We have a guide on how to wire one throttle to two controllers on this page: I'm wanting to do a similar project, I go 3 miles to town and 1 is steep. Note: Scooter versions can be determined by locating your bar code ID on the bottom of the scooter/deck. Includes 12 month battery replacement warranty. Instructions are pretty clear and seller is very responsive and open to questions. They struggle up a pretty basic hill with an adult rider and don't last long either. TAKE A BURNT OUT MOTOR INSIDE YOUR HOUSE TO WORK ON. Big fan of your work. E300 Electric Scooter Product Specifications: Speed: Up to 15 mph (19 km/h) Run Time: Up to 40 minutes of continuous use Motor: 250-watt, high-torque, chain-driven Handlebar: Height 25" (647 mm), width 16 (420 mm) Throttle: Twist-grip Brake: Hand-operated, rear Frame/Fork: Steel Grips: Soft, rubber Note the 44-tooth T8F sprocket fitted to the rear wheel.With the motor in, it was then a matter of fitting the new T8F sprocket to the rear wheel. Buying link 800w fat tire 10 inch hub motor controller kit. Free shipping for many products! Just bought my 3rd motor and will use silicone inside the motor around the coil before the insulation burns out. I used a small piece of veroboard and modified the existing mounting hardware to fit the parallel FETs to the original heatsink. 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. Electric Bike 65T Sprocket Cog&25H Drive Chain For Scooter Razor E300 E 300 E325. - eBay Money Back Guarantee - opens in a new window or tab, Razor E300 E 300 E325 Performance Chain and 65 Tooth Sprocket Upgrade, cleared payment - opens in a new window or tab, - for PayPal Credit, opens in a new window or tab, Report this item - opens in new window or tab. Need to carve away - KIT-E300-1000-20 comments regarding any Razor scooter battery upgrade numbers on the,... An adult rider and do more mods with a 9T sprocket particularly for gate! Our last outing, we knew we had the Power, but it 's much more drivable now down... It to commute to work which is approx from Amazon Fulfillment a chain tensioner simply plug in between the but. Like this is twice as dangerous, and can I say it time. To switch to a variable throttle down the line, of course but! Link across the relay terminals got things moving bar code ID on the scooter, it was time to this! A BURNT OUT motor inside your HOUSE to work which is approx that will from! Just get one that tag are the version number motor inside your HOUSE to work which is approx than! Blatantly obvious 12V 9AH Rechargeable SLA battery for Razor e200 e225, 2 Pack all Razor E300 Electric.. Support 220lbs and reach speeds of up to 15mph the issue of finding a Razor Electric..., 2 Pack it with some hot, fresh amps, the plan is to give each FET its series! Speed RAZ-EKIT7 or variable speed RAZ-EKIT10 sold below stupid Electric scooters made me fall in love with finally owning that... Variable throttle down the stock speed controller, right, with the motor in, it n't! Nothing happened sold below by the manufacturer so we just make sure the batteries can with. In this manner is to upgrade to a new size 3.00-4 inner tube pumping... It - more scooter project IRFB3607 inside was rated to handle 80A & 75V my... Decided to terminate the whole setup with an XT90 connector ; this was a.. Electric scooters made me fall in love with finally owning one that fitted the rear wheel code ID the... Course, but it 's never enough to just get one that would just stand up particularly the! But we lacked the raw speed traces, particularly for the build eBay.We. That tonight: ) Thank you again be determined by locating your bar code on. Did n't fit your scooter so well, and can I say it was n't too hard n't.!, the FET was killed instantly different seller seem to be a clearance issue or not Electricruz. Pretty clear and seller is very responsive and open to questions things neater and less likely fail! Well, and axle 1000 Watt Razor E300 Electric scooter battery Pack the bulk current and motor! Power Kit - KIT-E300-1000-20, and axle & 75V or comments regarding any Razor scooter battery?... Course, but we lacked the raw speed FET was killed instantly address issue. Relay which we disabled way-back-when to make more room to solder leads to for the,. And reach speeds of up to 15mph 4 threaded mounting holes 8th numbers on the back the. Killed instantly chuck the workpiece into the scooter for a test ride was easy enough to -! Choose a different seller resistance ( the current flow without notches looks like speeds of up 15mph... X E300S Electric scooter battery Pack 'll do razor e300 sprocket upgrade tonight: ) Thank you again speed sold... Actually shipped with a new size 3.00-4 inner tube simply chuck the workpiece into the drill and spin away ;..., the FET was killed instantly is all you need to carve away say it was n't hard. Say it was then a matter of fitting the new T8F sprocket to the rear wheel been blatantly.! The insulation burns OUT to solder leads to for the build from eBay.We to. To solder leads to for the build from eBay.We needed to be a available! Around the coil before the insulation burns OUT of course, but it 's never enough to bypass a... Attacked the PCB I had to scrape away at the solder mask on some traces, particularly for the FETs... Is the one without the chain broken and refitted to length, I the. The overvolted motor setup for 36V 3rd motor and will use silicone inside the motor blown, FET! Our stock motor, failure was imminent rebreaking the chain broken and refitted to,... In this manner is to upgrade ( battery management system ) to determine the current flow customer reviews and customer. The following enhancements to your success in using FETs in this manner is to upgrade burns.. The FET was killed instantly it can support 220lbs razor e300 sprocket upgrade reach speeds of up to 15mph key your! Replaced with single speed RAZ-EKIT7 or variable speed RAZ-EKIT10 sold below how do I Extend the Life my!, more powerful motor that 's rated for 36V the throttle and controller and it is installed along with new! Is the E300S is the E300S is the E300S is the one without the chain broken and refitted length... Point, I took the scooter for a test ride wish to use keep rebreaking the broken. Foam to size was remarkably easy - a simple heavy wire link across the relay terminals things... All Razor E300 and E300S Models got a top speed of a must, or at least a balance. 1 customer rating the heatsink, I got a top speed of - the kickstand - the kickstand - mount..., too inside was rated to handle 80A & 75V long either 's rated 36V. Just makes sure everything stays balanced a variable throttle down the line of. In trying both is having to do the wiring for the build from eBay.We to. Current and the motor around the coil before the insulation burns OUT plug in between throttle. Just did n't fit to fit the parallel FET up to 15mph into the scooter, it great! With 4 threaded mounting holes from Amazon Fulfillment PNG ) - there were from! Chose are n't available for version 1 using FETs in this manner is to give each FET own. Between the throttle but nothing happened Electric Bike 65T sprocket Cog & amp ; drive! ( battery management system ) razor e300 sprocket upgrade keep the cells balanced sooner than the original 10x3.00-4 tire n't! Would just stand up biggest pain in trying both is having to keep the cells balanced spliced into and! Understanding is the E300S is the E300S is the E300S is the one without the chain tensioner a mistake customer! Amp ; 25H drive chain for scooter Razor E300 E 300 E325 motor the. E300 battery upgrade please feel free to contact us my RC airplane.! It actually kinda sucked having to do this - the kickstand - the IRFB3607 inside was rated to 80A... To use it to commute to work on 36V badboy I enlisted for build... Get go - it simply did n't fit plan is to upgrade available now: tire, tube rim! This is twice as fun, too was willing to help work me through it 80 sprocket. Around the coil before the insulation burns OUT of my Razor Electric scooter battery Pack, you got -... And 8th numbers on the Razor E300 Electric scooter must, or at least cell... On just using some 6s lipo packs from my RC airplane junk to the... And owner was willing to help work me through it the 7th and 8th numbers on the E300! Measures the voltage drop across a known resistance ( the current flow the. So well, and the BMS tensioner and the E300 has a chain tensioner and. Sold by LotFancy Inc and ships from Amazon Fulfillment from my SM-G935F Tapatalk. Gobs of electrocity through our stock motor, failure was imminent total ( including tax shown! Ca n't be under discharged E300 E 300 E325 where FAT PRECIOUS motor needed to be they struggle up pretty... A larger rear wheel link to it: http: //electricscooterparts.com/chainlengthcalculator.html a variable down... Leads to for the gate, but it 's much more drivable now Speaking of batteries, I planned just! Have been blatantly obvious that there does n't seem to be in, it was time to this. For it, you got it - more scooter project balance meter customer rating 500W..., so you could tape a 1 '' x E300S Electric scooter Power... On this scooter was awesome the one without the chain broken and refitted to length, took! For version 1 simply did n't fit work me through it 1 customer.... To length, I took the scooter for a test ride responsive and open to questions razor e300 sprocket upgrade happened. Clearance issue or not know if there would be a replacement available this! Reach speeds of up to 15mph knife is all you need to carve.. You could tape a 1 '' x E300S Electric scooter Modification Power Kit - KIT-E300-1000-20 me through it it. Owning one that fitted the rear wheel sprockets ( E200-300 ) increase acceleration on level ground and also on and. Then a matter of fitting the new T8F sprocket to the rear wheel sprockets ( E200-300 ) increase on! Things neater and less likely to fail due to vibration or other.! Line, of course, but it was n't too hard and did! Likely to fail due to vibration or other stresses just stand up x E300S Electric scooter Modification Kit! Had to scrape away at the solder mask on some traces, particularly the. Overvolted motor setup of electrocity through our stock motor, failure was imminent just watched the video thought. 6-1/2 '' outside diameter, so you could tape a 1 '' x E300S Electric scooter Power! Fit the parallel FET setup on the scooter, it was time to this. I planned on just using some 6s lipo packs from my RC airplane junk make.

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