Yamaha
Yamaha B7B-E16A0-V0-00 - GYTR YZ250F/YZ250FX High Compression Piston is a genuine Yamaha accessory. The GYTR® High Compression Piston Kit provides a performance boost throughout the RPM range while maintaining a high level of durability. Machined valve pockets provide additional valve clearance when used with higher lift camshafts. The kit includes piston rings, piston pin, and clips (uses stock replacements). Requires use of minimum 100-octane racing fuel.Key Features & Benefits Genuine Yamaha accessory, part number B7B-E16A0-V0-00. Download 2019 YZ250F Power Tuner Settings (GYTR Performance Engine). 1SM-E16A0-T0-00. Boosts engine compression ratio to 14:1. Includes piston rings, piston pin, and clips (uses stock replacements). 33D-E16A0-V0-00. Two-ring design provides less drag and more horsepower than stock three-ring design. Boosts engine compression ratio to 13.5:1. 17D-E16A0-V0-00. Two-ring design provides less drag and more horsepower than stock three-ring design. Boosts engine compression ratio to 14.0:1. GYT-5D305-00-00. YFZ450 Application: Boosts engine compression ratio to 13.0:1. 1.5 to 3 hp increase throughout most of the power band. No crank rebalancing necessary. GYTR Top End Gasket Kit required for installation. YFZ450R Application: Boosts engine compression ratio to 13.2:1. 1.5 to 3 hp increase throughout most of the power band. No crankshaft rebalancing necessary. Uses stock gaskets (not included). Fits These Yamaha Models WR250F - 2020-2026 YZ250F - 2019-2026 YZ250F 50th Anniversary Edition - 2024 YZ250F 70th Anniversary Edition - 2026 View More - see the Fitment tab for full compatibility details Frequently Asked QuestionsWhat is Yamaha part B7B-E16A0-V0-00?B7B-E16A0-V0-00 is the Yamaha GYTR YZ250F/YZ250FX High Compression Piston, a genuine Yamaha accessory for select Yamaha motorcycles.Is B7B-E16A0-V0-00 a genuine Yamaha part?Yes, B7B-E16A0-V0-00 is a genuine Yamaha OEM accessory.Which Yamaha models fit B7B-E16A0-V0-00?This part fits the WR250F (2020-2026), YZ250F (2019-2026), YZ250F 50th Anniversary Edition (2024), YZ250F 70th Anniversary Edition (2026), plus 2 additional models. View the full fitment list in the Fitment tab to confirm your exact model and year before ordering.
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