PROX Piston Kit - Nikasil Cylinder 53.97mm (Standard) for Yamaha
Exact fit for Yamaha engines: This PROX piston kit features a precision-machined piston sized at 53.97mm (STD) designed to OEM tolerances for reliable installation and peak performance.
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Nikasil cylinder compatible — optimized for hypereutectic Nikasil-plated bores to reduce friction and improve heat transfer.
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Complete kit includes piston, rings, wrist pin and circlips — everything needed for a clean, efficient rebuild.
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Durable construction — high-grade aluminum piston with reinforced ring lands for long life under demanding conditions.
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Improved performance — consistent compression, reduced oil consumption and smoother throttle response.
Ideal for routine maintenance or performance rebuilds, the PROX piston kit ensures dependable operation and easy installation. Confirm compatibility with your Yamaha model and year before purchase.
