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MCB Stage-2 Rebuild Kit Yamaha YZ85 2002-2018

Premium Engine Rebuild Rotating Kit, Crankshaft, Piston, and Gaskets

MCB Exclusive STAGE-2 rebuild Kit for The Yamaha YZ85 2002-2018 . This kit includes a Wossner Premium Forged Piston, Genuine Riken rings, pin bearing, NEW HR crankshaft kit trued to better than OE spec. or an optional Premium German Wossner crankshaft, all NEW Rod and Main bearings (main bearings will be OEM Yamaha if you choose the Premium Wossner cranksahft) and a complete engine gasket set. (does not include Trans. bearings)

Complete MCB Stage-2 Premium quality ROTATING kit in one convenient box. Do it right the first time.

Need a cylinder? Click on suggestion below.
Pricing: $319.95

Customize Your Item

- Upgrade Premium cranksahft -
 * required


MCB uses Wössner pistons exclusively in all our MX/Off road kits. Germany's finest aftermarket forged piston manufacturer with over 25 years of experience in the Powersports / racing industry.

Wössner is currently the piston of choice for Monster Energy Star Yamaha Racing Team

Hot Rods is known for OEM quality engine components and has a track record for excellent reliability.

Wossner cranks are made of premium materials, they are forged and shot peened. True and indexed tighter than OEM Yamaha.


  • 23429430
  • 23429430
  • Yamaha
  • New

Shipping Information

  • Item Requires Shipping
  • 15.0 lbs.
  • W10.0000” x H12.0000” x L18.0000”

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