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BBR Motorsports

Model
Year

Big Bore Kit w/ Camshaft - 120cc, BBR

CARB   WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
CRF100 '81 - '26

Complete big bore kit. Bolt it on and ride!

  • Includes a pre-bored, big-finned aluminum cylinder for improved cooling
  • Cylinder, rings, piston pin, & clips
  • BBR exclusive performance camshaft
  • Heavy-duty valve springs
  • Rockers with tappet adjusters
  • Gasket kit
Please contact us for availability information
$329.95

Chain Guide, BBR

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
CRF100 '85 - '26

Fully wraps the chain to guide it onto the rear sprocket. Stainless steel hardware, anodized aluminum plate, and plastic buffer for low friction. Saves expensive engine cases.

Please contact us for availability information
$89.95

Clutch Springs - Heavy-Duty, BBR

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
CRF100 '93 - '26

Heavy duty springs help prevent clutch slip in high-performance motors.

  • Custom wound from chrome-silicon wire
  • Preset for long life
  • Higher spring seat pressure to resist clutch slip
Ships in 3-5 business days
$41.95