Product Details
DESCRIPTION: Check out ourNon-Performance Transmission Upgrade Kit
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Code: 139QMB
- Fits Models / Common Applications: Genuine Buddy and other compatible models may apply.
- Fitment Notes: Performance, CVT, Auto Transmission
Fitment Guide: This compatibility information is based on manufacturer and supplier data. Listed models are common known applications and may not include every compatible scooter. If your scooter has multiple versions or production changes, confirm the correct match before ordering. Check photos, measurements, original part numbers, engine code, model, and related fitment information whenever possible.
Common Fitment Questions
Q: Will this fit a 139QMB engine?
A: This SKU is listed as compatible with 139QMB engine-code fitment. Always compare your original part and scooter details before ordering.
Q: Will this fit a Genuine Buddy?
A: This SKU is listed with Genuine Buddy model fitment where the scooter also matches the listed engine or fitment notes.
Additional information
| Weight | 0.6 lbs |
|---|---|
| Dimensions | 7.5 × 5.5 × 1 in |
| Condition | New |
|---|
NCY CVT ramp plate (pressure plate) with sliders included for GY6 50cc (139QMB/GY50) engines, Genuine Buddy 50, and Genuine RoughHouse 50 scooters. A direct replacement for the stock variator ramp plate. Made in Taiwan by NCY.
Key Features
- Ramp plate with sliders included
- Direct replacement for 139QMB / GY50 variator assemblies
- Fits Genuine Buddy 50 and RoughHouse 50
- Made in Taiwan by NCY
- Includes: Ramp plate and sliders
- Application: 139QMB / GY50 50cc CVT variator
| Brand | Model | Engine |
|---|---|---|
| Genuine | Buddy 50 | 139QMB / GY50 |
| Genuine | RoughHouse 50 | 139QMB / GY50 |
| Universal | GY6 50cc scooters | 139QMB / GY50 |
Looking to upgrade the entire transmission? Check out our Non-Performance Transmission Upgrade Kit for 139QMB.
This product is intended for off-road and racing use only. Not intended for use on public roads.





