4-stroke pistons are made from 2618 silicium - the same material used to produce Formula 1 pistons
Both include 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
Forged piston tooling allows for the lightest available product
Kits include anti-wear coated piston, rings, pin and circlips
Made in Italy
Product Note:
Specification
Details
Bore
54 mm
Compression Ratio
14.3:1
Country of Origin
Italy
Displacement
125cc
Material
Aluminum
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
YZ125 2001-2004
Customer Reviews
Athena Piston, Rings and Wristpin
By Cameron R. on
Verified Purchaser
Piston, rings, and wristpin fit, bike is back in service.
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Questions & Answers
Does it come with rings and wrist pin?
By Anon.
Yes, Athena ATV and motorcycle pistons ship with all required piston ring(s), wrist pin and cir-clips.
Have a question? Please ask our experts and customers who own this product.
Verified Purchaser
