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Wiseco

CRANKSHAFT BOTTOM KIT 93-01 YZ80, WISECO WPC122 YAMAHA MX

CRANKSHAFT BOTTOM KIT 93-01 YZ80, WISECO WPC122 YAMAHA MX

Regular price £353.29 GBP
Regular price Sale price £353.29 GBP
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The Wiseco Crankshaft is a premium replacement for Yamaha YZ80 models from 1993 to 2001. Designed to meet OEM specifications, this crankshaft assembly delivers superior durability, reliability, and performance for high-demand applications.

Features:

  • Precision Trued: Assembled and trued to OEM specifications for perfect fit and operation.
  • Double-Forged Connecting Rods: Ensure dimensional consistency and improved grain flow.
  • Shot-Peening: Eliminates residual stresses and blends forging surfaces for added strength.
  • Corrosion Resistance: Surface treatment protects against wear and environmental damage.
  • Case-Hardened Rod Bores: Hardened to 58–62 RC for optimal bearing running surfaces.
  • Optimized Bearing Clearance: Ensures maximum performance and longevity.
  • Precision Honing: Provides ultra-round bearing surfaces for smooth operation.
  • Oiling Slots: Enhance rod strength and maximize bearing life.
  • Double-Drilled Small Ends: Improve lubrication and cooling for the piston pin.
  • Silver-Coated Thrust Washers: Retain oil and reduce friction with a dimpled design.
  • High-Quality Crank Pin Bearings: Manufactured from hot-rolled steel and case-hardened to 58–62 RC.

Vehicle Fitment:

Yamaha YZ80:

  • 1993–2001

Part Number: 56-177_WI.CBK

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