Seller notes

Vertex Piston Kit (270cc Big Bore), 3.00mm Oversize to 79.96mm, 13.5:1 Compression This item fits the following models: Yamaha WR250F 2019 Yamaha WR250F 2018 Yamaha WR250F 2017 Yamaha WR250F 2016 Yamaha WR250F 2015 Yamaha YZ250F 2018 Yamaha YZ250F 2017 Yamaha YZ250F 2016 Yamaha YZ250F 2015 Yamaha YZ250F 2014 Yamaha YZ250FX 2019 Yamaha YZ250FX 2018 Yamaha YZ250FX 2017 Yamaha YZ250FX 2016 Yamaha YZ250FX 2015 Type: Piston Kit Style: Forged Big Bore Size: 79.96mm Material: Aluminum Bore: 80.00mm Siz...

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