Crankshaft Bottom Kit 86-04 CR80 85, Wiseco WPC115 Honda MX

The Wiseco Complete Crankshaft with Bearings and Gaskets is a premium solution for Honda CR80 and CR85 models, providing precision engineering and reliable performance for complete engine rebuilds. Factory-assembled and precision-trued to OEM specifications, this crankshaft assembly ensures durability and optimal performance.

Features:

• Precision-trued to OEM specifications for a perfect fit.
• Double-forged connecting rods provide superior dimensional consistency through improved grain flow.
• Shot-peened surfaces eliminate residual stresses and ensure smooth forging transitions.
• Corrosion-resistant surface treatment enhances durability and longevity.
• Case-hardened top and bottom end rod bores (58–62 RC) optimize bearing surfaces.
• Crank pin bearing radial clearance is optimized for maximum performance.
• Precision honing ensures ultra-round bearing surfaces for reliable operation.
• Engineered oiling slots maximize rod strength and bearing life.
• Double-drilled small ends improve lubrication and cooling for the piston pin.
• Silver-coated bronze phosphor thrust washers with dimpled design increase oil retention and reduce friction.
• Caged needle roller bearings ensure high RPM capability.
• Precision-machined crank webs enhance balance and performance.
• Includes top-end bearing, premium main bearings, and a complete bottom-end gasket set with all seals and gaskets.

Included Items:

• (1) Complete crankshaft assembly
• (1) Top-end bearing
• Premium main bearings
• Complete bottom-end gasket set, including all seals and gaskets

Vehicle Fitment:

Honda CR80:

• 1986–2002

Honda CR85:

• 2003–2004

Part Number: 56-170.WI.CBK