CRANKSHAFT BOTTOM KIT 01-03 RM125, WISECO WPC121 SUZUKI MX

The Wiseco Crankshaft with Bearings and Gaskets is a premium replacement solution for Suzuki RM125 models from 2001 to 2003. Precision-engineered to OEM specifications, this crankshaft assembly offers exceptional performance, reliability, and durability for a complete bottom-end rebuild.

Features:

• Precision Trued: Factory-assembled and trued to OEM specifications for perfect fit and operation.


• Double-Forged Connecting Rods: Superior dimensional consistency through enhanced grain flow.


• Shot-Peening: Reduces residual stresses for durability and smooth performance.


• Corrosion-Resistant Treatment: Protects against wear and environmental damage.


• Case-Hardened Rod Bores: Hardened to 58–62 RC for optimal bearing surfaces.


• Optimized Bearing Clearance: Crank pin bearing clearance tuned for maximum performance.


• Precision Honing: Ensures ultra-round bearing surfaces for smooth operation.


• Oiling Slots: Increase rod strength and maximize bearing life.


• Double-Drilled Small Ends: Improve lubrication and cooling for the piston pin.


• Silver-Coated Thrust Washers: Dimpled design retains oil and reduces friction.


• Premium Bearings: Includes caged needle roller bearings for high RPM operation.


• Complete Kit: Includes top-end bearing, premium main bearings, and a bottom-end gasket set with all seals and gaskets required.

Vehicle Fitment:

Suzuki:

• RM125 (2001–2003)

Part Number: 56-176.WI.CBK