5-Speed Close Ratio Transmission Kit for GROM/MSX

By installing a 5-speed close ratio transmission, you can accelerate smoothly while maintaining the engine speed in its power band.
Additionally, when used with a Takegawa big bore kit, you can enjoy its powerful output performance as is.
This product shortens the travel distance of each gear, ensuring tooth width and improving durability.
It can also be used with stock engines.
The set includes an L. crankcase cover gasket and an R. crankcase gasket.
When installing the 5-speed close ratio transmission, the stock speedometer will not operate unless the following speed sensor kit is installed simultaneously.
When performing transmission replacement, tools such as a flywheel puller for GROM/MSX125, a lock nut wrench, and a rotor holder will be required.
Flywheel Puller (for GROM/MSX125) 00-01-1671
Rotor Holder 00-01-1001
Takegawa lock nut wrenches cannot be used.
Compatible Models
:GROM (JC61-1000001)
:MSX125 (MLHJC618_D5000001)
*Images are for illustration purposes only, and the design and specifications of the products shown are subject to change without notice. Please be aware.