Description
If you’re pushing your TRX250R to its limits, stock pistons will hold you back. The Wiseco 66.50mm oversize piston kit delivers the strength and precision needed for sustained high-RPM performance, whether you’re racing or trail riding hard. This is a complete assembly solution—pistons, rings, wrist pins, and circlips included—so you can rebuild with confidence.
Technical Specifications:
- High-silicon aluminum alloy
- Forged construction design
- 66.50mm oversize bore
- E-coated crown protection
- E-coated ring grooves
- E-coated pin bore
- GP Series compression profile
- Complete kit assembly
- Fits 1986 Honda TRX250R
- MPN: 562M06650
- Forged wrist pins included
- Piston rings included
- Circlips included
