The Yamaha YZ 85 Cylinder Kit - Athena - 47.5mm Bore 85cc - `02-`18 is a precision replacement for riders who demand dependable performance. Athena engineering delivers a clean-running top end that helps keep your YZ85 responsive on track or trail.

Built from premium materials and validated through design and bench testing, this kit meets factory specs while promoting a robust seal and stable compression. Its engineered head gasket uses metal/elastomer or multi-layer construction with specialized steel and coatings for durability. The precise 47.5 mm bore fits 2002–2018 YZ85 models for straightforward service and consistent results.

Features

• 47.5 mm bore; for `02-`18 Yamaha YZ 85
• Engineered head gasket for enhanced sealing and reliability
• Athena premium materials for long service life
• Advanced metal/elastomer and multi-layer technologies

Questions about compatibility or install? Call our Austin, Texas shop at 512-982-9393 or our Los Angeles, California area location at 562-981-6800. We offer professional installation and customization services at both locations.

Buying multiple items? Contact us for shipping discounts. We install on premises at both locations.

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