52.4mm Cylinder Gasket and Piston Ring Set for CRF125F/CRF125FB, 2014–2023
$150.00
In stock · Free Shipping
CSPART 54mm Big Bore Cylinder Piston Ring Gasket Kit CY61-540-2
$82.50
In stock
✓ Free Shipping
54mm big bore cylinder, piston ring, and gasket set for supported 110cc dirt bike and ATV engine configurations.
Price shown is the online purchase price. Free shipping · 30-day return policy
BrandCSPART
MPN / Part NumberCY61-540-2
Part TypeBig bore cylinder, piston ring, and gasket kit
Product Description
CSPART CY61-540-2 big bore kit includes a 54mm cylinder, piston kit, and upper and lower gaskets. The source describes this kit as a conversion from a 110cc configuration to a 54mm-bore setup marketed as 125cc. Compatibility is explicitly noted for 1P52FMH engines and excluded for 1P52FMI engines.
Product Specifications
BrandCSPART
ManufacturerCSP
Manufacturer Part NumberCY61-540-2
Explicit Manufacturer Part NumberCY61-540-2
Cylinder middle height69.5 mm
Cylinder total height93.2 mm
Cylinder inner diameter54 mm
Cylinder outer skirt diameter58 mm
Piston total height39.5 mm
Piston compression height19.2 mm
Piston dome depth2.5 mm
Piston pin diameter13 mm
Included componentsCylinder, piston kit, upper gasket, lower gasket
Engine compatibility1P52FMH; not compatible with 1P52FMI
Displacement conversion110cc to 125cc configuration
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|---|---|---|---|
| — | Honda | C100 | ||
| — | Honda | C110 | ||
| — | Honda | CT100 | ||
| — | Honda | JH110 |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.
