Product Description
This Wiseco piston kit is forged from high-silicon aluminum alloy and features a 75.50mm actual bore, 0.50-inch oversize sizing and a 10.5:1 compression ratio. The kit includes one piston, a 2973XG 75.50mm ring set, a 17mm piston pin and round-wire piston pin locks. Cylinder boring and sleeving are required for oversize installation. Compatible with Honda XL250R models from 1984–1987 and Honda XR250R models from 1984–1985.
Product Specifications
BrandWiseco
Manufacturer Part Number4329M07550
Item Weight11.2 ounces
Model4329M07550
Item model number4329M07550
ExteriorPainted
OEM Part Number060254
Explicit Manufacturer Part Number4329M07550
Explicit OE/OEM Part Numbers060254
Bore75.50 mm
Standard bore75.00 mm
Oversize0.50
Compression ratio10.5:1
Displacement251cc
Stroke56.5 mm
MaterialForged high-silicon aluminum alloy
Ring set2973XG, 75.50 mm
Piston pin17 mm x 2.429 in
Piston pin locksCW17 round-wire pair
Package contentsPiston, rings, piston pin and circlips
Installation noteCylinder boring and sleeving required
Motorcycle Compatibility
| Year | Make | Model | Power / Engine | Variant |
|---|
| 1984 | Honda | XL250R | | |
| 1984 | Honda | XR250R | | |
| 1985 | Honda | XL250R | | |
| 1985 | Honda | XR250R | | |
| 1986 | Honda | XL250R | | |
| 1987 | Honda | XL250R | | |
Always compare the part number, dimensions, specifications, and compatibility details with your original part before ordering.