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Big Bore Kit - 675cc

XR650L '93 - '25
WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.

The Complete Top End Performance Kit includes:

  • 102.4mm Wiseco piston 9:1 compression (up from 8.3:1) with rings, wrist pin and circlips
  • Stage 1 camshaft for more power
  • Top end gasket set

This kit boosts your displacement from 644cc to 675cc. Your cylinder must be bored to fit the larger piston.

CARB race use only
Ships in 3-5 business days
$489.95