Top End Piston Kit; Yamaha 65 YZ 18-23

Description

Give your 2-stroke engine the ultimate refresh with this perfectly tuned, all-in-one top-end rebuild kit. Combining a high-performance cast aluminum piston with Athena's legendary top-end gaskets, this package takes the guesswork out of your engine maintenance. The piston is gravity-cast from a premium, high-silicon aluminum alloy and CNC-machined for a flawless profile, ensuring optimal flow and perfect flame propagation. Meanwhile, the included gaskets undergo advanced surface treatments and stress-relieving processes for an unbeatable seal under extreme cylinder pressures. Restore your lost compression, reduce internal friction, and get back to dominating the dirt with race-ready reliability straight out of the box.

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Complete top-end solution combines a cast 2-stroke piston and gasket kit for a perfectly tuned rebuild

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Manufactured from high-performance, high-silicon aluminum alloy for exceptional strength and heat resistance

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Molybdenum disulfide skirt coating drastically reduces friction and internal engine wear

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Precision CNC-machined profile ensures smooth flow and optimal flame propagation

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Advanced top-end gaskets feature proprietary surface treatments for maximum sealing reliability

Includes:

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Cast 2-Stroke Piston (Domed Head)

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Piston Ring (1)

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Biconical Piston Pin

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Complete Top End Gasket Kit

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Piston Size: 43.45mm (B-Size)

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Pin Dimensions: 12x35x8mm

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Compression Height: 24.0mm

California residents

WARNING: This product can expose you to chemicals including nickel, which is known to the State of California to cause cancer. For more information go to www.P65Warnings.ca.gov.