Athena Big Bore Kits - Yamaha Stock Item:BIG BORE KIT YAHAMA YZ 250 F '14-'18 / WR 250 F ' 15-'18 276 cc A pocket for holding credit

A pocket for holding credit cards

I Fatty Pipe CR250 02 Header FMF

shot peened and anodized finish to increase fatique life

Aggressive longitudinal scoop shaped block tread pattern ensures grip on soft through to hard terrains without compromising paved road performance

Athena Big Bore Kits - Yamaha Stock Item:BIG BORE KIT YAHAMA YZ 250 F '14-'18 / WR 250 F ' 15-'18 276 cc A pocket for holding creditGet more power and torque with premium quality European big bore kits that include, cylinder, piston, rings, and all gaskets required for a hassle free conversion. Spare pistons, rings, and gaskets also available. Can't see your bike listed here, or the product you want is not in stock? Get in touch to see if there's a kit for your model and ask about price and availability.