Top End Piston Kit; Yamaha 85 YZ 02-18

Description

Breathe new life into your 85cc 2-stroke engine with this ultimate, all-in-one top-end rebuild kit. Athena has perfectly paired a premium, gravity-cast high-silicon aluminum piston with their industry-leading top-end gaskets for a seamless and highly reliable rebuild. The precision CNC-machined piston ensures flawless fuel flow and optimal flame propagation, while a specialized molybdenum disulfide skirt coating greatly reduces internal friction for enhanced power and longevity. Accompanied by gaskets that have undergone advanced stress-relieving processes and proprietary surface treatments, this kit guarantees an unbeatable seal under extreme cylinder pressures. Reclaim your factory compression and hit the track with maximum performance!

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Complete top-end solution perfectly pairing a cast 2-stroke piston and comprehensive gasket kit

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Gravity-cast from a specialized 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 optimal fuel flow and perfect flame propagation

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Advanced gaskets feature proprietary surface treatments and stress-relieving processes for maximum sealing reliability

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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 / Wrist Pin

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Circlips

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Needle Bearing

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Complete Top End Gasket Kit

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Displacement: 85cc

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Piston Size: 47.44mm

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Pin Dimensions: 14 x 9 x 39mm

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Compression: Standard

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.