Wossner Piston Kit 96.96 mm Yamaha YZ450F 2023-2025 4093DA
Part Number: 09106842Description
High-mileage YZ450F engines suffer from increased piston rock and friction, which directly impact throttle response and reliability on the track. This Wossner piston kit restores OEM-spec compression geometry while reducing ring blow-by and noise, giving you the crisp power delivery and durability expected from a purpose-built 4-stroke competition engine.
The 96.96 mm bore size maintains your stock displacement while the advanced skirt coating minimizes friction losses throughout the RPM range. Whether you're rebuilding after a top-end failure or prepping for a new season, this complete kit delivers the precision fit and materials your YZ450F demands.
- Bore diameter: 96.96 mm
- Material: Aerospace aluminum alloy
- Skirt coating: Advanced friction-reducing
- Piston rock: Minimized design
- Includes: Piston, rings, pin, clips
- Fitment: Yamaha YZ450F 2023–2025
- Installation: Bolt-on (top-end only)
- Precision machined construction
- Competition-grade durability
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