
Yamaha GYTR High Compression Piston Kit, #GYT-5D305-00-00
- The kit includes piston rings, piston pin, and clips (uses stock replacements). Requires use of minimum 100-octane racing fuel. This accessory is restricted to closed-course competition use.
- Boosts engine compression ratio to 13.0:1
- 1.5 to 3 hp increase throughout most of the power band
- No crank rebalancing necessary
- Fits YFZ450R (2004-2025) | YFZ450X (2010-2011)
Yamaha GYTR High Compression Piston Kit, #GYT-5D305-00-00
- The kit includes piston rings, piston pin, and clips (uses stock replacements). Requires use of minimum 100-octane racing fuel. This accessory is restricted to closed-course competition use.
- Boosts engine compression ratio to 13.0:1
- 1.5 to 3 hp increase throughout most of the power band
- No crank rebalancing necessary
- Fits YFZ450R (2004-2025) | YFZ450X (2010-2011)
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
- The kit includes piston rings, piston pin, and clips (uses stock replacements). Requires use of minimum 100-octane racing fuel. This accessory is restricted to closed-course competition use.
- Boosts engine compression ratio to 13.0:1
- 1.5 to 3 hp increase throughout most of the power band
- No crank rebalancing necessary
- Fits YFZ450R (2004-2025) | YFZ450X (2010-2011)















