All pistons are heat-treated with a T-5 hardening and tempering cycle
All piston skirts are coated with a high-tech Molybdenum Disulphite coating for faster break-in time and increased piston life
Big Bore pistons increase engine's displacement, torque, and peak horsepower
Kits include piston, rings, wrist pin and circlips
Product Note:
Specification
Details
Bore
80 mm
Compression Ratio
13.5:1
Displacement
270cc
Piston Diameter
79.95mm
Size Over Standard
3 mm Larger than Stock
Vehicle Fitment
Fitment is guaranteed or your money back plus free return shipping.
Don’t waste time installing a product that doesn't fit. We worked hard ensuring that this product is an exact fit on the vehicles listed below.
Yamaha
WR250F 2015-2019
YZ250F 4-Stroke 2014-2018
YZ250FX 4-Stroke 2015-2019
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Questions & Answers
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