Description
The Wiseco 520M04950 is a complete piston kit engineered for the Yamaha YZ80, delivering the precision and durability you need to keep your machine running strong lap after lap. A quality piston kit is essential maintenance for any two-stroke that sees regular use—worn pistons cause compression loss, sluggish throttle response, and accelerated engine wear. This Wiseco kit restores your YZ80 to factory specifications while offering the reliability that serious riders demand.
- Fitment: Yamaha YZ80 (1985–1987)
- Bore Diameter: 49.5mm
- Material: Forged aluminum alloy
- Kit Contents: Piston, rings, wrist pin, circlips
- Ring Design: High-compression, low-friction
- Heat Dissipation: Optimized skirt geometry
- Installation: Bolt-on replacement
- Compression Ratio: OEM-equivalent
- Weight: Lightweight for reduced inertia
- Manufacturer: Wiseco (MPN: 520M04950)
