NCY Super Trans Kit; 139QMB, Buddy 50, RoughHouse
NCY Super Trans Kit; 139QMB, Buddy 50, RoughHouse
$237.33
Out of stock
*Note: Free shipping to U.S. mainland (excludes AK, HI, and territories)
Orders placed by 1pm EST on weekdays ship the same day.
Product Details
DESCRIPTION: This NCY Super Transmission bolt-on set is one of the best kits to deliver quicker acceleration, higher top speeds, and smoother operation of your Genuine Buddy 50, RoughHouse 50, RoughHouse 50 Sport, Black Cat 50, and many other 50cc scooters with QMB, QMA, and GY6 engines. From rapid downshifting to slow cruising, this thing is smooth.Specifications:NCYaluminum drive face assemblyNCYpressure plate with slider bushingsNCYcoated golden pulleyNCYracing clutchNCYsecondary sliderNCYclutch bellNCY16 x 13mm 7G, 8G and 9G Roller Weights – Set of 6 eachNCY1000 RPM compression springNOTE:For installation on Genuine Buddy 50 or RoughHouse 50 models, the OEM outer drive face must be reused.Compatibility:Genuine Buddy 50Genuine Roughhouse 50Genuine Roughhouse 50 SportGenuine Black Cat 50139QMB 50cc Chinese ScootersGY6 50cc Chinese ScootersThis part is also compatible with scooters and ATVs with 139QMB-based 50cc / 80cc engines with the following engine codes:139QMA139QMB1P39QMB1P39QMA-2YN139QMBJJ1P39QMB139FMA-2BD1P39QMBBN139QMB147QMDOther QMA modelsOther QMB modelsDon’t see your engine listed? If the engine code includes “QM” or “FM” this part is compatible with your vehicle.About NCY:NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in TaiwanThis product is intended for off-road use only.This product is not intended for use on public roads or land.*Performance upgrades are considered racing parts and are not covered by warranty.WARNING: Californiaâ„¢s Proposition 65
SPECIFICATIONS: NCYaluminum drive face assemblyNCYpressure plate with slider bushingsNCYcoated golden pulleyNCYracing clutchNCYsecondary sliderNCYclutch bellNCY16 x 13mm 7G, 8G and 9G Roller Weights – Set of 6 eachNCY1000 RPM compression spring
COMPATIBILITY: Genuine Buddy 50Genuine Roughhouse 50Genuine Roughhouse 50 SportGenuine Black Cat 50139QMB 50cc Chinese ScootersGY6 50cc Chinese ScootersThis part is also compatible with scooters and ATVs with 139QMB-based 50cc / 80cc engines with the following engine codes:139QMA139QMB1P39QMB1P39QMA-2YN139QMBJJ1P39QMB139FMA-2BD1P39QMBBN139QMB147QMDOther QMA modelsOther QMB modelsDon’t see your engine listed? If the engine code includes “QM” or “FM” this part is compatible with your vehicle.About NCY:NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in TaiwanThis product is intended for off-road use only.This product is not intended for use on public roads or land.*Performance upgrades are considered racing parts and are not covered by warranty.
139QMB ENGINES: 50cc Chinese ScootersGY6 50cc Chinese ScootersThis part is also compatible with scooters and ATVs with 139QMB-based 50cc / 80cc engines with the following engine codes:139QMA139QMB1P39QMB1P39QMA-2YN139QMBJJ1P39QMB139FMA-2BD1P39QMBBN139QMB147QMDOther QMA modelsOther QMB modelsDon’t see your engine listed? If the engine code includes “QM” or “FM” this part is compatible with your vehicle.About NCY:NCY is the aftermarket performance parts leader for most popular scooter brands including Honda, Yamaha, Genuine, Vespa, SYM, Lance, KYMCO, and GY6 / QMB powered scooters. Made in Taiwan with strict quality standards since 1997, NCY is ISO 9001 certified.Made in TaiwanThis product is intended for off-road use only.This product is not intended for use on public roads or land.*Performance upgrades are considered racing parts and are not covered by warranty.
NOTE: For installation on Genuine Buddy 50 or RoughHouse 50 models, the OEM outer drive face must be reused.
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, 80cc, GY6
- Engine Code: 139QMB
- Fits Models / Common Applications: Genuine Buddy and other compatible models may apply.
- Fitment Notes: Performance, OEM, Clone / Chinese
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?
A: This SKU is listed with Genuine model fitment where the scooter also matches the listed engine or fitment notes.
Q: Is this for 50cc scooters?
A: This SKU is listed with 50cc engine-size fitment. Confirm exact model, year, and part style before ordering.
Additional information
| Weight | 5 lbs |
|---|---|
| Dimensions | 17.5 × 6.5 × 5 in |
Total Transformation: NCY Super Transmission Performance Kit
Eliminate CVT lag and unleash the full potential of your 50cc engine with the NCY Super Transmission Kit. This is the most comprehensive bolt-on performance set available, engineered to deliver explosive off-the-line acceleration, lightning-fast downshifting, and a higher top-end cruising speed. Whether you are navigating heavy city traffic or opening it up on the backroads, this professionally curated kit replaces your entire drive system with high-performance components designed to work in perfect harmony.
What’s Inside the Box?
- NCY Ultralight Drive Face: Reduced rotational mass for faster RPM pickup and improved throttle response.
- Coated Golden Pulley & Pressure Plate: Features a specialized low-friction coating and optimized ramp angles for smooth, "notching-free" shifting.
- NCY Racing Clutch & Bell: High-friction clutch shoes and a vented bell provide maximum grip and heat dissipation, eliminating clutch "shudder."
- Triple Tuning Roller Set: Includes three full sets of 16x13mm weights (7g, 8g, and 9g) so you can perfectly dial in your RPMs to your specific weight and riding style.
- 1000 RPM Compression Spring: Provides the ideal return tension for rapid downshifting when decelerating or climbing hills.
Comprehensive Fitment Guide
This kit is a direct performance upgrade for 50cc and 80cc (139QMB/GY6) engines:
| Brand / Engine Family | Compatible Models |
|---|---|
| Genuine Scooter Co. | Buddy 50, RoughHouse 50, Black Cat 50 |
| QMB139 / GY6 50cc | TaoTao, Wolf, Chicago Scooter Co. (Go/Go Max), Icebear |
| SYM / ADLY | Fiddle 50, Jet 50, Fox 50 |
| 80cc Big Bore Kits | Compatible with 147QMD and upgraded 139QMB engines |
Technical Specifications
- Variator Size: 16mm x 13mm
- Included Weights: 7g, 8g, and 9g (Sets of 6 each)
- Spring Rate: 1000 RPMÂ
- Clutch Type: NCY Performance Non-Adjustable
Mechanic's Note: This is our #1 recommended upgrade for any 50cc scooter.
Fitment Warning: For Genuine Buddy 50 and RoughHouse 50 owners, you must reuse your original OEM outer drive face for proper clearance.
Tuning Tip: Start with the 8g weights for a balanced feel; if you want more "zip" off the line at the expense of fuel economy, drop down to the 7g weights.
Pro Tip: Always install a fresh Premium Drive Belt when installing this kit to ensure maximum grip!
This product is intended for off-road use only.
This product is not intended for use on public roads or land.
*Performance upgrades are considered racing parts and are not covered by warranty.Â
WARNING: California’s Proposition 65
Â
SKU: 1200-1171
Vendor: NCY
