Revitalize the legendary powerplant of your classic Honda big-bore two-stroke with the Wiseco Forged Piston Kit (Part No. 0910-2022 / Mfr. Part No. 871M08900). Engineered to an 89.00 mm standard bore specification, this high-performance forged piston kit is designed to deliver superior structural integrity, optimal thermal conductivity, and long-lasting durability under demanding off-road and racing conditions.
Forged from high-strength aerospace aluminum using Wiseco’s advanced dedicated tooling, it ensures optimal ring sealing and compression retention throughout the RPM range.
Vehicle Fitment
| Make | Model | Year Range | Specific Notes / Displacements |
| Honda | CR500R | 1984–2001 | 79.00 mm stroke (491 cc displacement) |
| Honda | CR480R | 1982–1983 | 72.00 mm stroke (472 cc displacement) |
Kit Contents:
- Forged Aluminum Piston (89.00 mm Bore)
- Piston Ring Set
- Wrist Pin
- Circlips
TSO Tip
When installing your new piston kit, always verify end gap on the rings and check cylinder wall clearance with a precision bore gauge. Generously pre-lubricate the piston skirt, wrist pin, and ring faces with clean two-stroke premix oil prior to sliding the cylinder over to ensure protection during initial startup.
Compatibility
Fetching compatibility details...
| Year | Make | Model |
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