Crankshaft Bottom Kit KX 80 85 100, Wiseco WPC119 Kawasaki MX

The Wiseco Crankshaft Assembly with Bearings, Seals, and Gaskets is a complete bottom-end rebuild solution for Kawasaki KX100, KX85, KX80, and Suzuki RM100 models. Precision-engineered and factory-assembled, this crankshaft assembly ensures superior performance, durability, and reliability.

Features:

• Precision Trued: Assembled and trued to OEM specifications for exact fitment and operation.
• Double-Forged Connecting Rods: Maintain dimensional consistency through enhanced grain flow.
• Shot-Peened Surface: Reduces residual stresses and ensures smooth transitions for durability.
• Corrosion-Resistant Treatment: Protects against wear and environmental damage.
• Case-Hardened Rod Bores: Hardened to 58–62 RC for optimized bearing running surfaces.
• Optimized Bearing Clearance: Crank pin bearing clearance is tuned for maximum performance.
• Precision Honing: Ensures ultra-round bearing surfaces for consistent reliability.
• Engineered Oiling Slots: Strengthen rods and extend bearing life.
• Double-Drilled Small Ends: Improve lubrication and cooling for the piston pin.
• Silver-Coated Thrust Washers: Dimpled design enhances oil retention and reduces friction.
• Premium Bearings: Caged needle roller bearings for high RPM capability.
• Complete Kit: Includes top-end bearing, premium main bearings, crank pin bearings, thrust washers, and a full bottom-end gasket set.

Included Components:

• B1006: Top End Bearing (14 x 18 x 17.2 mm)
• B1046: Crank Pin Bearing (22 x 28 x 13.8 mm)
• B5008: Main Bearings (20 x 52 x 15 mm)
• W5767: Thrust Washers (2) (22 mm ID x 2 mm)
• W5791: Crank Pin (Hollow, 22 mm x 46 mm)
• WB1050: Bottom-End Gasket Kit (KX80, KX85, KX100, RM100)

Vehicle Fitment:

Kawasaki:

• KX100 (1995–2005)
• KX85 (2001–2005)
• KX80 (1991–2000)

Suzuki:

• RM100 (2003)

Part Number: 56-173.WI.CBK