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TBParts - 189 Race Cam for CRF50 XR50 & Pit bikes

Vital Information
Part No TBW0189
Stock Level 2 Left

High performance race camshaft with NTN bearings. Fits stock head on a CRF50, XR50, XR70, CRF70, TRX90.


  • 42mm large bearing, 28mm small bearing
  • Length - 70mm center to center
  • .235" intake valve lift
  • 196 degrees of duration @ 050", .218" exhaust valve lift and 208 degrees of duration @ .050"

  • Z50 XR50 CRF50 - 1992-Present
  • XR70 CRF70 - All years
  • TRX90 - All years

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