YZ85 Engine Rebuild Kit Bottom -Top - This kit has all the best parts placed together so you get all the right parts at a price great.

All parts are of the highest quality standards that meet or exceed those of genuine.

Kit includes:

• Crankshaft
• Piston Kit
• Top End Conrod Bearing
• Complete Gasket / O-ring Set,
• Engine Seal Kit
• Main Crankcase Bearings

Piston Kit Race Pro (BWX) -  piston, ring, pin, and clips - special molybdenum disolphure long-life coating
Piston ring - nitride coated or chrome-plated
Fully case-hardened wrist pin.
Circlips.

Crankshaft Forged Crankworx
Factory assembled and trued to genuine specifications - Crankworx cranks will meet/surpass the genuine in performance and durability.
Double machined top end rod - for better lubrication and cooling

Top end conrod bearing heavy duty
Featuring a heavy-duty roll cage which provides a very high degree of stability even at high rpm with a high load carrying capacity.

Main crankcase bearings NTN (2 of)
Made to exact genuine specifications (same brand as what genuine manufactures use)

Complete Gasket / O-ring Set
Pro-Seal Race Series
Viton inner & outer cylinder head o-rings.
Base gasket (barrel/cylinder base)
Vition exhaust pipe o-rings
Water pump gasket.
All Lower crankcase gaskets.
Clutch & flywheel cover gaskets.

Engine Seal Kit
2x crankshaft  main seals - left & right.
Water pump seals or seal.
Main counter-shaft drive seal (sprocket shaft seal).
Kick-start seal.
Gear shifter seal.
Clutch lever seal.

Tip - Don't forget to change the clutch kit best to do when doing a rebuild also oil and air filter. 

Note - the main image is generic - parts may differ in design.