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Cylinder Works

ATHENA CYLINDER KIT Big Bore 53MM - 105cc Yamaha YZ85 2002-2018 P400485100038

Regular price $656.06 USD
Regular price $728.95 USD Sale price $656.06 USD
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ATHENA CYLINDER KIT Big Bore 53MM (105cc) Yamaha YZ85 2002-2018 P400485100038

Looking for more power, your search is over. Athena has a drop on the kit you turn your Yamaha YZ85 into a 105cc Supermini. The kit includes everything you need (cylinder, piston, head rings, and gaskets & hardware).

Athena's R&D department utilizes cutting edge tools during the manufacturing of there cylinder kits. All kits are coated with nicksil Coatings (nickel-silicon) to reduce piston wear and increase longevity.

Features of the Cylinder Kit - Big Bore 105cc:

Athena Big Bore Cylinder Kits include:

  • Aluminum cylinder with a galvanic coating.
  • A forged piston with molybdenum coating.
  • Specific Gasket kit and O-rings.
  • Easy to follow step by step instructions
  • The kit is a bolt-on, no matching is needed  

Click to see all the other performance upgrades for your Yamaha YZ85


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