NCY Big Valve Cylinder Head (58.5mm, 2 Valve); Genuine/GY6
Free returns on all eligible orders
You have 30 days to request a return. All sale items are final sale.
NCY's Big 2-Valve Cylinder head lets that cylinder on your Genuine Buddy 125/150/170i, Blur 150, or GY6 bike breathe easier.
Specifications:
- Dimensions: 7.5"L x 7"W x 2.75"H
- Cylinder Head Stud Space: 54mm
- Valve stem: 5mm
- Intake Manifold Bolt-to-Bolt Space: 45mm
- Intake Threads: M6
- Exhaust Bolt-to-Bolt Space: 45<51mm
- Exhaust Threads: M8
Compatibility: Genuine Buddy 150 and GY6 engines noted below.
157QMJ-based 125cc / 150cc / 169cc engines with the following engine codes:
| 157QMJ | 161QMK | 152QMI | 1P61QMK |
| YN1P57QMJ | 1P52FMI | 154FMI | JJ157QMJ |
| 1P57QMJ | BN157QMJ | BN161QMK-A | Other QMJ, QMK, and QMI models |
Don't see your engine listed? If the engine code includes "QM" or "FM", this product 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 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.
Shipping information
Orders are prepared as quickly as possible. Delivery times and shipping costs are calculated at checkout based on the destination and items ordered.
Returns & warranty
Please verify fitment and part number before ordering. Contact Thrifty Scooters promptly if an item arrives damaged or incorrect.