ESP

Variable Speed Throttle and Controller Kit Converts single-speed Razor bikes to have variable speed control. Fits the following Razor models: MX350 Dirt Bike Version 37+ MX400 Dirt Bike Version 37+ SX350 McGrath Dirt Bike Version 1+ RSF350 Sport Bike Version 1+ Installation Directions

Variable Speed Throttle and Controller Kit with Top Speed Adjustable Limiter Converts single-speed Razor bikes to have variable speed control and a top speed limiter. Fits the following Razor models: MX350 Dirt Bike Version 37+ MX400 Dirt Bike Version 37+SX350 McGrath Dirt Bike Version 1+RSF350 Sport Bike Version 1+ Installation Directions ...

Wire Routing Chart Select the wire lengths of the kit above. We install matching connectors on every part of this kit and label them so all you have to do is plug everything together. For optimal power and performance the motor should be installed so its shaft rotates clockwise when the vehicle is moving forward.  The red push button switch on the throttle is the on/off power switch and the toggle switch is the forward/reverse switch. This kit has four large batteries so the shipping...

Variable Speed Kit with Throttle Speed Limiter for Razor Power Core E100 Electric Scooters Converts Razor Power Core E100 scooters to have variable speed control. Eliminates the Power Core E100 scooter's push-to-start feature and replaces it with twist-and-go operation so the scooter does not need to be pushed to walking speed before its motor starts to operate. Includes throttle top speed limiter. Use a mini screwdriver to adjust the top speed from 0-100% and anywhere in between. All parts...

Wire Routing Chart Select the wire lengths of the kit above. We install matching connectors on every part of this kit and label them so all you have to do is plug everything together. For optimal power and performance the motor should be installed so its shaft rotates clockwise when the vehicle is moving forward.  The key switch is the on/off power switch and the red push button switch on the throttle is the forward/reverse switch. The motor in this kit has a factory-installed 11 tooth...

Toggle switch to controller wire length 48" Throttle to controller wire length 48" Battery pack to controller wire length 24" Charger port wire length 24" The Dune Buggy's original battery charger will work with this kit. The toggle switch has 48" of wire so it can be mounted on the front of the Dune Buggy if wanted. This wire length can be shortened on request. The chain with master link in this kit is oversized and will need to be shortened to the correct length after the motor is installed....

Select Wire Lengths In the Options Box Above Both of the motors spin clockwise when the controller is in the forward direction mode. The motors in this kit have forward brush timing so they spin at different speeds in the clockwise and counterclockwise directions. Due to this both motors should be installed so they spin clockwise when the vehicle is moving forward. The SWT-23 handlebar mount switch with red button is wired as the reverse switch, and the SWT-95 toggle switch is wired as the...

Two 12 Volt 15Ah batteries. The key switch is wired as the on-off power switch. The motor's speed can be variably controlled from a full stop to top speed and everywhere in between with the included thumb throttle.The motor has a factory installed 9 tooth sprocket for #410 (1/2" x 1/8") bicycle chain.The motor's shaft runs in the clockwise direction.  Need sprockets, axle adapters, freewheels, or chain? Click below to view our full selection of sprockets, axle adapters, freewheels, and...

We install matching connectors on every part of this kit and label them so all you have to do is plug the parts together. This MX500, MX650, and SX500 modification kit is 100% plug-and-play, and the motor is installed on the bike without any frame or body modifications. The speed controller's mounting holes are in different places than the original speed controller's mounting holes so it needs to be custom mounted. This kit does not include batteries. ...

Wire Routing The motor in this kit has an 10 tooth sprocket for #420 chain. We have wheel and axle sprockets plus axle hubs and adapters for #420 chain that are compatible with this kit. Click below to view our full selection of sprockets and chains. Sprockets Chains ...

Toggle switches to controller wire length 48" Throttle to controller wire length 48" Battery pack to controller wire length 24"Motor to controller wire length 18" Charger port wire length 18" This is a modification parts kit and requires custom installation of all parts. The vehicle must be at a complete stop before switching from forward to reverse, or from reverse to forward. Otherwise the controller may become damaged. The chain with master link in this kit is oversized and will need to be...

Wire Routing Select the wire lengths of the kit above. The motors in this kit rotate in the clockwise direction and they have forward brush timing so they both need to rotate in the same direction to have equal speeds and power outputs. We have wheel and axle sprockets, freewheels, freewheel to axle adapters, and sprocket to axle hubs which can be used with this kit. Need more sprockets or chain? Click below to view our full selection of sprockets and chains. Sprockets Chains ...