Description
When your KLF300 Bayou’s original pistons show wear, compression loss and power degradation follow. The Wiseco 77.50mm piston kit restores—and exceeds—OEM performance with forged aluminum construction that handles sustained high RPM operation and elevated combustion pressures without compromise. This is a direct bolt-in replacement that demands only basic machine work and fresh gaskets to return your ATV to reliable, efficient operation.
- Bore diameter: 77.50mm
- Compression ratio: 8.6:1
- Material: Forged aluminum
- Fitment: Kawasaki KLF300 Bayou 1986–2003
- Also fits: Lakota models
- Construction: High-strength forged
- Temperature rated: High-pressure capable
- Weight: Lightweight design
- Installation: Requires gasket kit (sold separately)
- MPN: 4671M07750






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