CRANKSHAFT BOTTOM KIT 86-04 CR80 85, WISECO WPC115 HONDA MX
The Wiseco Complete Crankshaft with Bearings and Gaskets is a premium solution for engine rebuilds. It is factory-assembled and precision-trued to OEM specifications. Features include double-forged connecting rods, shot-peened surfaces, corrosion-resistant surface treatment, case-hardened rod bores, optimized crank pin bearing radial clearance, precision honing, engineered oiling slots, double-drilled small ends, silver-coated bronze phosphor thrust washers, caged needle roller bearings, and precision-machined crank webs. This kit includes a complete crankshaft assembly, top-end bearing, premium main bearings, and a complete bottom-end gasket set with all seals and gaskets. Part number 56-170.WI.CBK.
- SKU
- 56-170.WI.CBK
- Brand
- Wiseco
- Availability
- In Stock (6)
FULL DESCRIPTION
Wiseco Complete Crankshaft Bottom End Kit
The Wiseco Complete Crankshaft Bottom End Kit is a premium solution designed for Honda CR80 and CR85 models. This kit provides precision engineering and reliable performance for complete engine rebuilds. The crankshaft assembly is factory-assembled and precision-trued to OEM specifications, ensuring durability and optimal performance for your motorcycle.
Key Features:
- Precision Trued: Engineered and trued to OEM specifications for a perfect fit and optimal function.
- Double-Forged Connecting Rods: Offer superior dimensional consistency and improved grain flow for enhanced strength.
- Shot-Peened Surfaces: Help eliminate residual stresses and ensure smooth forging transitions for increased durability.
- Corrosion-Resistant Surface Treatment: Enhances the longevity and resilience of the crankshaft components against environmental factors.
- Case-Hardened Rod Bores: Top and bottom end rod bores are hardened to 58-62 RC, optimizing bearing surfaces for extended wear life.
- Optimized Bearing Clearance: Crank pin bearing radial clearance is precisely calibrated for maximum performance output.
- Precision Honing: Ensures ultra-round bearing surfaces for reliable and smooth operation.
- Engineered Oiling Slots: Designed to maximize connecting rod strength and extend bearing life through efficient lubrication.
- Double-Drilled Small Ends: Improve lubrication and cooling for the piston pin, contributing to overall engine health.
- Silver-Coated Thrust Washers: Features dimpled design for increased oil retention and reduced friction.
- Caged Needle Roller Bearings: Enable high RPM capability for demanding riding conditions.
- Precision-Machined Crank Webs: Enhance the balance and performance characteristics of the crankshaft.
- Comprehensive Kit: Includes a top-end bearing, premium main bearings, and a complete bottom-end gasket set with all necessary seals and gaskets for a full engine rebuild.
Included Components:
- One complete crankshaft assembly
- One top-end bearing
- Premium main bearings
- Complete bottom-end gasket set, including all seals and gaskets


