NCY Big Bore 72cc Piston & Cylinder Kit; Yamaha, Genuine 2T
NCY Big Bore 72cc Piston & Cylinder Kit; Yamaha, Genuine 2T
$196.80
10 in 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: The NCY 72cc Big Bore Piston & Cylinder Kit is a perfect fit for your Yamaha Jog 50, Zuma 50, Genuine Buddy 50, RoughHouse 50, Rattler 50, and many other 50cc 2-stroke (2T) scooters. It gives you significantly more power and durability at a reasonable price.Specifications:1 - Iron cylinder, 47mm bore results in 72cc of engine displacement1 - Alloy piston2 - Piston rings1 - Machined aluminum head1 - 10mm wrist pin2 - Wrist pin clips1 - Cylinder head gasket1 - Cylinder base gasketStock exhaust studs will fit. But if you want a spare set, you can order: Sku:0500-1035Replacement Piston Assy #1100-1416Replacement Gasket Set #1100-1415.Compatibility:2T, Air cooled, Minarelli engines with 10mm wrist pin such as:Genuine Buddy 50Genuine Roughhouse 50Genuine Rattler 50Yamaha Vino 50 2T modelsYamaha Zuma 50 2T modelsMany other 2T 50cc models139QMB-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.Visit ourNCY Performance Partspage to shop all performance upgrades available for 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 Taiwan.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.WARNING: California's Proposition 65
SPECIFICATIONS: 1 - Iron cylinder, 47mm bore results in 72cc of engine displacement1 - Alloy piston2 - Piston rings1 - Machined aluminum head1 - 10mm wrist pin2 - Wrist pin clips1 - Cylinder head gasket1 - Cylinder base gasketStock exhaust studs will fit. But if you want a spare set, you can order: Sku:0500-1035Replacement Piston Assy #1100-1416Replacement Gasket Set #1100-1415.
COMPATIBILITY: 2T, Air cooled, Minarelli engines with 10mm wrist pin such as:Genuine Buddy 50Genuine Roughhouse 50Genuine Rattler 50Yamaha Vino 50 2T modelsYamaha Zuma 50 2T modelsMany other 2T 50cc models139QMB-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.Visit ourNCY Performance Partspage to shop all performance upgrades available for 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 Taiwan.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.
139QMB ENGINES: 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.Visit ourNCY Performance Partspage to shop all performance upgrades available for 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 Taiwan.This product is intended for off-road use only.This product is not intended for use on public roads or land.This product is not legal for use in California on pollution-controlled vehicles. Check local laws before installing.*Performance upgrades are considered racing parts and are not covered by warranty.
Additional information
| Weight | 8 lbs |
|---|---|
| Dimensions | 6 × 6 × 5 in |
Compatibility / Fitment
Use the fitment details below to confirm this part matches your scooter before ordering.
- Engine Size: 50cc, 80cc, GY6, Minarelli, 2-Stroke
- Engine Code: 139QMB
- Fits Models / Common Applications: Genuine Buddy and Yamaha Zuma and other compatible models may apply.
- Fitment Notes: Big Bore, Performance, Air Cooled
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 | 8 lbs |
|---|---|
| Dimensions | 6 × 6 × 5 in |
