Description
Forged MRX high-compression piston.
High-quality piston available in the original bore size (70 mm) with the original 16 mm wrist pin, as well as in an oversized version with an 18 mm wrist pin.
The 70 mm piston can be installed with a Step 2 camshaft without any modifications to the vehicle.
For Yamaha X-max 300.








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