Athena Repl Big Bore Piston +5.5 52.96mm 105cc 13.8:1 for Yamaha YZ85 2002-2018
Athena Big Bore pistons are made from a high-silicon aluminum alloy, the same material used to produce Formula 1 pistons
Includes 3% copper in materials for better heat resistance
All pistons are forged using a precision heat-treatment process that allows for production tolerances of just 0.01mm
Piston tooling allows for the lightest available product
Kits include anti-wear coated piston, ring(s), pin and circlips
Athena pistons are sold individually
Made in Italy
Product Note:Only works with Athena Cylinder Kit P400485100038 or P400485100039, (sold separately).
Specification
Details
Bore
52.96 mm
Compression Ratio
13.8:1
Country of Origin
Italy
Displacement
105cc
Material
Aluminum
Piston Type
Forged
Size Over Standard
5.5 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
YZ85 2002-2024
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