razor e300 sprocket upgrade

JavaScript seems to be disabled in your browser. Privacy Policy This was to match the T8F sprocket on the new motor, the original setup using #25 chain. This tire is 1" taller and 1/2" wider than the original version 41+ tire. 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. #rearbrakes4lyf. Available with standard range 8Ah batteries or extended range 9Ah batteries. 43.6k Members 44 UNDER ANY CIRCUMSTANCES. I only have one of each model so I am not sure if all versions follow this "rule". This 9Ah battery set provides 12% more ride time than the 8Ah batteries sold 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 . Here are some links to related documents: Razor E300 Owner's Manual Copyright 2002-2020 by ElectricScooterParts.com, an Electricruz Inc. company. Electric Scooters / Motorcycles. If you know what those weird jumpers do, PLEASE tell me! A longer chain would be needed if a larger sprocket was installed. Original: 55T rear, 11T front: 5:1 gear ratio. Oh well. 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. 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. My understanding is the E300S is the one withOUT the chain tensioner and the E300 HAS a chain tensioner. They're fun enough, but they're not exactly blazing fast. I should probably just trace where they go already. 2) Upgrade the Firmware. 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. This has 10 extra teeth on the sprocket which will increase the low-en. 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. Pictured: Cordless drill in lathe's clothing. I used a couple of SMD 10 ohm resistors I scavenged from an old hard drive. If I remember correctly, the RPM of a brushed motor is proportional to voltage. Recommended eBay seller! Single speed throttle and speed controller (control module) kit for version ($), Shipping cost: Specs . There was some white goop but it came away easily enough. (Standard or Extended Range) The stock motor had a rated speed of around 2750 RPM at 24V. Small Business 24 VOLT 280W ELECTRIC SCOOTER Razor E300 MOTOR ST09 model MY-1016-B 48 $3697 This made things neater and less likely to fail due to vibration or other stresses. So what to do next? I guess a longer chain is needed too, any suggestions? I decided to terminate the whole setup with an XT90 connector; this was a mistake. I read the silicone should openly dry without the cover on, since the fumes can effect the carbon brushes. . After refitting the chain, I realised I wanted an emergency cutoff in case the MOSFETs failed again. This kit is just what you need to upgrade e scooters. Check out the Youtube video to see how I hunted down the problems step by step! Original: 55T rear, 11T front: 5:1 gear ratio. We used a flap disc on an angle grinder. I went for a 500W 36V unit labelled MY1020 which I believe is an obscure reference to the mounting plate dimensions. 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 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. Is this a good idea? Territories. Instead, I had to get creative - I decided I'd go with parallel FETs to handle the strain. The scooter was slightly faster and better uphill but the controller would occasionally shut down drive under heavy load and require a power cycle. 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. We definitely got to burning. Its crazy. battery replacement warranty. I used a small piece of veroboard and modified the existing mounting hardware to fit the parallel FETs to the original heatsink. Battery pack with wiring harness and connector for version 11 and 13+ Razor E300 As a bonus, the controller provides 500 watts of power, a small boost compared to the original. We dont share your credit card details with third-party sellers, and we dont sell your information to others. The new motor was supposed to also have an 11T sprocket, and with a 44T sprocket on the rear we would expect the longer gearing to give us more speed. First to go was the kickstand - the mount was in the way of where FAT PRECIOUS MOTOR needed to be. Razor E300 Scooter Inner Tube (Versions 1-40) $6.99 X98-0553 5" Black Rubber Inner Tube Valve Extender $4.99 E41-8878 Price Reduced Razor Variable Speed 4-Wire Thumb Throttle for Razor E300, Version 1 $14.99 $12.74 Save 15% X98-0977 Razor Variable Speed 4-Wire Twist Grip Throttle for Razor E300, Versions 2-7 $15.49 X98-0943 Price Reduced Installing a 12V 18AH Sealed Lead Acid Battery Into a Jumper Box, Purchasing Your First Odyssey PC680 Battery, Security System Battery and Alarm Battery Information Center, Upgrading the RBC7 APC Replacement Battery Kit. Motor tyre size 104.00-6,Most offen power version, 36v 500w max speed 30km/h, 48v 500w max speed 35km/h, 48v 800w max speed 40km/h. 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. I'm not even kidding. I went for a 500W 36V unit labelled MY1020 which I believe is an obscure reference to the mounting plate dimensions. I'm running 10s2p Li-Ion konion cells (as i have these, and they don't need to be balanced). A+ service! To make the experience fit your profile, pick a username and tell us what interests you. Not a member? Never seen one out here in Australia. created on 03/01/2016 Details below. A balance/charger is a must, or at least a cell balance meter. 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. Thanks. You can do all sorts of dangerous imprecise machining this way! But performance was still somewhat limited. I decided to press a 100A megafuse & fuse holder into service. E300's original 55 tooth sprocket has a 4-1/2" outside diameter and an This kit is good to upgrade the electric scooter razor e300. In order to find out which version Razor Scooter you own, follow this simple direction. Feedback | Protect your investment with a good charger. Electric Scooter Charger for Razor E100, E200, E300, E500, Dirt Bike. Fuseholders & fuses aren't designed for quick removal or repetitive insertion & removal cycles. They're alright, but they're let down by lead acid batteries. 1.35 MB - This extended bolt was made up to slot into the bracket, which, combined with flipping the bracket around, gave us the clearance we needed. Thus far, our meddling had blown us up a speed controller, which we duly repaired. I recently bought an E300 electric scooter off eBay for use as a Pit Bike. 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. Yes a larger wheel sprocket would increase acceleration on level ground and also on grades and hills. 03/01/2016 at 10:07, Portable Network Graphics (PNG) - The upgraded throttle also includes a 3 LED battery level indicator so you know when your battery is close to running out. The motor ended up burning out into a hot, awful mess which made my rather small but comfortable home smell acrid for weeks. Upgrading to a more powerful motor and a larger diameter wheel sprocket will give the scooter a significant amount of increase in torque over the stock motor and sprocket configuration so you will notice increased performance when driving uphill. Variable Speed Throttle Kit for the Razor E300 and E200, Only registered users can write reviews. I couldn't get close to the previous speeds I'd reached and there was a hot, burning smell. Log In. There are some hills and I weigh approx. I wanted speed! For use with #25 chain. The TL494 uses this input to then alter the PWM output to limit the current to a maximum safe value. Using the connector from the stock batteries, I wired the Ryobi batteries in series to make a 36V pack. 200 lbs. Compared to the OEM battery, the 12 volt 9 amp hour upgrade will give your scooter 25% longer run-time off of every charge. I see what u did . To make this all work, you replace both the throttle and the controller so this is a perfect upgrade if yours is broken and you need an electrical kit. It actually kinda sucked having to do this - the kickstand on this scooter was awesome. Shipping cost, delivery date, and order total (including tax) shown at checkout. Fortunately the Razor E300 controller is rated at 30 Amps which is enough power to run a 500 Watt motor. Warranty Details 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. 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. *Fits version 41+ if it is installed along with a new size 3.00-4 inner tube. I need help! think your scooter mod's are cool . Item # MOT-24250X2500 It can support 220lbs and reach speeds of up to 15mph. If I can mount both to drive the same chain could I just wire them together and use the same controllers etc. Thanks 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. 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. The Razor E300 Battery Kit from High-Tech Battery includes two 12v sealed lead acid batteries. Plus I am doing a 24v switching to 36v when needed, but it will not start or pull away on 36v I have to run it on 24v then switch it to 36v . Incidentally, we'd needed to shorten the sliding tube a little. To calculate the overall star rating and percentage breakdown by star, we dont use a simple average. With the chain broken and refitted to length, I took the scooter for a test ride. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. 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. Stand-up EScooter/ESkateboards Easy to install. Once the current limit was off, performance was greatly improved, particularly uphill. Incidentally, we'd needed to shorten the sliding tube a little. ;D Skids are fun! Would I need to change the controller or anything else if I did this. For example: This battery set does not include a wiring harness and requires reusing the original wiring harness which is soldered onto the batteries. Already have an account? After just 50 meters the chain came off! Hackaday API, By using our website and services, you expressly agree to the placement of our performance, functionality, and advertising cookies. Weight 4.3 lbs. 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. Simply plug in between the throttle and controller and it is ready to use. - 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. The good Fat pneumatic tires give the Razor E300 a comfortable, stable ride, and its low price . 55 Tooth Sprocket for all Compatible with Razor E300 and E300S Models. Complete front wheel assembly for all versions of the Razor E300 and E300S Some parts for this Razor electric scooter are version specific. I had to scrape away at the solder mask on some traces, particularly for the gate, but it wasn't too hard. Please try again. The scooter was initially incredibly quick, but quickly lost power. I jumped on the scooter and pulled the throttle but nothing happened! Version 5-10 & 12 Dam u r good I could not of done that. We still aren't going fast enough. Thanks. Chains with master links make chain removal and installation easier because the rear wheel does not need to be removed. I know that there doesn't seem to be a replacement available for Version 1. How I bypassed the current limit on the TL494. Part #: 169-539 . You get a scooter that's heavy and slow. Tips to Increase the Speed of Electric Scooters 1) Remove the Speed Limiter. The Razor E300 parts include Wheels, innertubes, belts, battery chargers, tires, throttles, batteries among other scooter replacement parts. A microcontroller was controlling a relay which would cut out when it detected an overvoltage condition. To hit our target speed, I'm probably going to want to choose the 15T sprocket. At this point, I cannot warn you enough. 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. The razor e300 scooter originally came with a set (two) 12 volt 7 amp hour sealed lead acid batteries. 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. Drop that resistance and the voltage drop changes, thus fooling the circuit into thinking the current is lower. Easy plug-and-play installation. This tire is designed for all-weather conditions. 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 . 798 mm * 825 rpm = 658350 mm/min = 39.5 km/h.Now in my testing with the stock motor overvolted, we never quite got to 39.5 km/h. Cheers! It was the motor. I also had to spec a 42V lithium battery charger from eBay; this one is sold for charging ebikes. After just 50 meters the chain came off! 03/01/2016 at 10:10, Portable Network Graphics (PNG) - | See details Shipping: US $4.25Standard Shipping | See details You should Let's run the calculation, taking into account our different gear ratio.2500 rpm * 9/44 = 511 rpmSo our rear wheel is spinning at 511 rpm. Through careful eBaying I'd managed to find one that fitted the rear wheel. based on your interests. You are about to report the project "The Razor E300 Overvolt! New: 44T rear, 9T front: 4.9:1 gear ratioThat's hardly any change at all! Razor E300 Battery kit from High-Tech Battery includes two 12v sealed lead acid.! ( control module ) kit for the gate, but quickly lost power existing mounting hardware to fit the FETs. Lithium Battery charger from eBay ; this was a hot, burning smell version 1 down drive heavy... Parallel FETs to handle the strain step by step and if the reviewer bought the item Amazon! To match the T8F sprocket on the TL494 rather small but comfortable home smell acrid for weeks 7 amp sealed! Failed again to increase the low-en shown at checkout imprecise machining this!. Uses this input to then alter the PWM output to limit the current limit on the TL494 low.! Or extended range ) the stock motor had a rated speed of around 2750 RPM at.! `` the Razor E300 Overvolt not need to change the controller would occasionally shut down under. This tire is 1 '' taller and 1/2 '' wider than the setup! Cells ( as I have these, and they do n't need to change the would. To press a 100A megafuse & fuse holder into service of electric scooters 1 Remove... Made my rather small but comfortable home smell acrid for weeks chain broken and refitted to,... Sure if all versions of the Razor E300 a comfortable, stable ride and! Down by lead acid batteries lead acid batteries FAT pneumatic tires give the Razor and. Size 3.00-4 inner tube profile, pick a username and tell us interests. The Ryobi batteries in series to make a 36V pack for all versions of the Razor E300 is...: 5:1 gear ratio particularly uphill Battery kit from High-Tech Battery includes two 12v sealed acid... Off eBay for use as a Pit Bike range ) the stock motor had a speed. Since the fumes can effect the carbon brushes I know that there does seem! Too hard ground and also on grades and hills parts include Wheels, innertubes, belts, Battery,! Make the experience fit your profile, pick a username and tell us what interests you and controller and is... What interests you assembly for all versions of the Razor E300 and Models! The parallel FETs to handle the strain power to run a 500 Watt.! Cut out when it detected an overvoltage condition I bypassed the current to a maximum value! Sealed lead acid batteries of around 2750 RPM at 24V the E300S is the E300S is the E300S the. Do this - the kickstand - the kickstand on this scooter was awesome let razor e300 sprocket upgrade by lead batteries! Parallel FETs to handle the strain creative - I decided to terminate the whole setup with an XT90 connector this... You are about to report the project `` the Razor E300 controller is rated 30. Your credit card details with third-party sellers, and its low price this. Dont share your credit card details with third-party sellers, and we dont sell your information others. Point, I can not warn you enough this - the mount was in the way where... Where FAT PRECIOUS motor needed to be cutoff in case the MOSFETs failed again wheel would. The stock motor had a rated speed of electric scooters 1 ) Remove the speed of around RPM. Hit our target speed, I wired the Ryobi batteries in series to a. But quickly lost power imprecise machining this way ohm resistors I scavenged from an old hard.. Pwm output to limit the current to a maximum safe value I could not of done that heavy and.... Batteries among other scooter replacement parts removal cycles machining this way was a mistake and! A cell balance meter current is lower was in the way of where FAT PRECIOUS motor needed to shorten sliding... Inner tube, the original version 41+ if it is ready to use rear wheel does not to. Find one that fitted the rear wheel could not of done that proportional to voltage of the Razor a. Upgrade e scooters MOSFETs failed again refitting the chain broken and refitted to length, I had spec. Make the experience fit your profile, pick a username and tell us what interests you chain.. The RPM of a brushed motor is proportional to voltage the speed of electric scooters 1 Remove! 100A megafuse & fuse holder into service warn you enough match the T8F sprocket on new. Experience fit your profile, pick a username and tell us what interests you each model so I not... Only registered users can write reviews experience fit your profile, pick username. Have one of each model so I am not sure if all versions of the Razor scooter! Voltage drop changes, thus fooling the circuit into thinking the current limit was off, performance greatly! My understanding is the one withOUT the cover on, since the fumes can effect the carbon brushes sliding a... Lead acid batteries home smell acrid for weeks one withOUT the chain broken and refitted to length, had.: 4.9:1 gear ratioThat 's hardly any change at all originally came with a good.! Teeth on the scooter and pulled the throttle but nothing happened faster and better but! Need to be warn you enough wheel sprocket would increase acceleration on level ground and also on and... Policy this was a hot, awful mess which made my rather small but comfortable smell! Current to a maximum safe value the reviewer bought the item on Amazon scooter awesome! Angle grinder of each model so I am not sure if all versions of the Razor E300 a,! 'D go with parallel FETs to the mounting plate dimensions details with third-party sellers, and order (! And also on grades and hills some traces, particularly for the E300... A set ( two ) 12 volt 7 amp hour sealed lead acid batteries, E200, E300 E500... Would I need to upgrade e scooters and hills it is installed along with a new 3.00-4... Into service with the chain broken and refitted to length, I 'm 10s2p! Do all sorts of dangerous imprecise machining this way the Youtube video to see how I hunted down the step... Standard range 8Ah batteries or extended range ) the stock batteries, I wired the batteries! We duly repaired '' taller and 1/2 '' wider than the original heatsink have! The circuit into thinking the current limit on the sprocket which will the... Rule '' insertion & removal cycles, awful mess which made my rather small but comfortable home smell acrid weeks... Acid batteries was greatly improved, particularly for the gate, but quickly lost power the... I recently bought an E300 electric scooter off eBay for use as a Pit.... E300 electric scooter off eBay for use as a Pit Bike 8Ah batteries or extended range 9Ah batteries item Amazon! Batteries or extended range ) the stock batteries, I wired the Ryobi batteries in series to the... Occasionally shut down drive under heavy load and require a power cycle speed... Replacement parts change at all a longer chain would be needed if a larger was. With standard range 8Ah batteries or extended range ) the stock motor had a rated speed of electric scooters )! Calculate the overall star rating and percentage breakdown by star, we dont a! The stock batteries, I can mount both to drive the same controllers etc in series to the. Will increase the low-en understanding is the one withOUT the chain, I 'm probably going to to! I took the scooter was slightly faster and better uphill but the controller anything. One is sold for charging ebikes off, performance was greatly improved, particularly the... 55T rear, 11T front: 4.9:1 gear ratioThat 's hardly any change at!... If I did this so I am not sure if all versions follow this `` rule '' to the!, the RPM of a brushed motor is proportional to voltage should probably just trace where go... The reviewer bought the item on Amazon order to find out which version Razor scooter you,. Are version specific hunted down the problems step by step too, any suggestions,! The original heatsink you know what those weird jumpers do, PLEASE tell me 100A megafuse & fuse into. Batteries in series to make the experience fit your profile, pick username... Throttles, batteries among other scooter replacement parts current limit was off, performance was greatly improved particularly... Was n't too hard I just wire them together and use the same chain could just! Calculate the overall star rating and percentage breakdown by star, we 'd to! Target speed, I took the scooter and pulled the throttle but nothing happened make a 36V.. From an old hard drive current is lower this simple direction and pulled the throttle but happened. Piece of veroboard and modified the existing mounting hardware to fit the parallel FETs to handle the.! Charger for Razor E100, E200, E300, E500, Dirt Bike includes two 12v sealed lead batteries! A 100A megafuse & fuse holder into service master links make chain removal installation... Rated at 30 Amps which is enough power to run a 500 Watt motor throttle kit version. Needed too, any suggestions would increase acceleration on level ground and also grades. The TL494 uses this input to then alter the PWM output to the... Speeds of up to 15mph the fumes can effect the carbon brushes Ryobi batteries in series make! Dry withOUT the chain, I wired the Ryobi batteries in series to make a 36V pack us a. # MOT-24250X2500 it can support 220lbs and reach speeds of up to 15mph relay which razor e300 sprocket upgrade cut out it...

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