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Crankshaft Kit

$458.64

PART NUMBER: 9210090

RMM PART: 0921-0090

BRAND: WISECO

NC NY TX WI NV
1 0 0 2 2

9210090, 0921-0090, WISECO

5 in stock

SKU: 0921-0090 Category:
Off-Road Motorcycle Honda 1992 - 2001 CR250R -
Fitment Disclosure

This quick reference fitment information is provided for you as a reference from the manufacturer’s information. Consult manufacturer publication(s) and/or website(s) for specific fitment and application information and other important information. This fitment information is based upon the stock version of the motorcycle or unit referenced and any accessory added or other modification could invalidate the quick reference information provided.

General Safety Warning

to follow manufacturer’s recommendations and requirements can cause product failure resulting in serious injury or death. While every effort has been taken in collecting accurate fitment information, RMM Motorsports accepts no liability for loss or damage resulting from errors or omissions. If you believe any of the information provided is erroneous, please email sales@rmmmotorsports.com.

  • Include crankshaft, top end bearing, premium main bearings and a complete bottom end gasket set that includes all seals and gaskets needed to do the job
  • Only one part number to stock and order
  • Crankshafts are factory assembled and precision trued to OEM specifications
  • Double-forged Wiseco connecting rods maintain superior dimensional consistency through improved grain flow
  • Shot-peening eliminates residual stresses and smoothly blends the rod forging surfaces
  • Corrosion-resistant surface treatment
  • Top and bottom end rod bores case hardened to 58-62 RC to optimize bearing running surface
  • Crank pin bearing radial running clearance is optimized to ensure maximum performance
  • Precision honing ensures ultra round bearing surface
  • Precision engineered oiling slots maximize rod strength and bearing life
  • Double-drilled small ends provide the piston pin with extra lubrication and cooling, reducing distortion of top end due to thermal transfer from the piston
  • Silver-coated bronze phosphor thrust washers, with dimpled design to increase oil retention and reduce friction between rod and washer interface
  • Crank pin bearings are manufactured from the highest quality hot rolled steel; case-hardened to 58-62 RC
  • Caged needle roller bearings provide the highest possible rpm
  • Precision machined crank webs

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    • Email: sales@rmmmotorsports.com
    • Address: 2501 Westgate Ave.  Suite 4, West Palm Beach, FL. 33409
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