52.4mm Cylinder Gasket and Piston Ring Set for CRF125F/CRF125FB, 2014–2023
$150.00
In stock · Free Shipping
WOOSTAR 57.4mm Big Bore Cylinder Head Rebuild Kit YL-Group-4
$83.99
In stock
✓ Free Shipping
Complete WOOSTAR big bore cylinder and cylinder head rebuild kit for 4-stroke GY6 150cc 157QMJ and 152QMI engines. Features a 57.4mm cylinder diameter and 15mm piston pin diameter.
Price shown is the online purchase price. Free shipping · 30-day return policy
BrandWOOSTAR
MPN / Part NumberYL-Group-4
Part TypeCylinder and cylinder head rebuild kit
PositionEngine top end
Product Description
Replace worn top-end components with this WOOSTAR complete cylinder and cylinder head rebuild kit. It is identified for 4-stroke GY6 150cc 157QMJ and 152QMI engines and has a 57.4mm cylinder diameter. Verify the engine model and dimensions before ordering. Not intended for EGR engines.
Product Specifications
BrandWOOSTAR
Manufacturer Part NumberYL-Group-4
Item Weight5.87 pounds
Package Dimensions11.02 x 8.29 x 4.18 inches
Item model numberYL-Group-4
Explicit Manufacturer Part NumberYL-Group-4
Engine compatibilityGY6 150cc 157QMJ and 152QMI 4-stroke engines
Cylinder diameter57.4 mm / 2.3 in
Piston pin diameter15 mm / 0.59 in
Piston pin length42 mm / 1.7 in
ExclusionNot for EGR engines
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|---|---|---|---|
| — | Baja | SC150 | 4-stroke | |
| — | BMS | 150 | 4-stroke | |
| — | Coolster | 3150DX2 | 4-stroke | |
| — | Eaglecraft | 150 | 4-stroke | |
| — | Howhit | 150cc Engine | 4-stroke | |
| — | Lance | Vintage 150 | 4-stroke | |
| — | Retro | 150 | 4-stroke | |
| — | Tank | 150 | 4-stroke | |
| — | TaoTao | 150 | 4-stroke | |
| — | Yerfdog | 206 Go Kart | 4-stroke | |
| — | Yerfdog | GX150 | 4-stroke | |
| — | Znen | 150 | 4-stroke | |
| 2010 | Hammerhead | Buggy | 4-stroke |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.
