Same-day shipping cutoff: Noon Pacific Time

Engine

Big Bore

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
Ships in 3-5 business days
$329.95

Cam

Clutch

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

Drain Plug

CRF100 '00 - '14
  • Bolts are CNC-machined from high-quality aluminum
  • Embedded magnet helps keep bolt in place
  • Pre-drilled holes make for easy installation of safety wires
Choose Color
Please contact us for availability information
$25.95

Repair Manuals

Spark Plug

CRF100 '04 - '13

Keep your motor running right with fresh spark plugs!

NGK is one of the world's largest manufacturer of spark plugs, whose products are used as original equipment (OE) on countless motorcycle and automobile models.

  • High-quality materials and superior construction for serious power and reliability
    • Pure alumina silicate ceramic insulator provides high strength and better heat transfer
    • Deep-seated copper core for a wider heat range
    • Nickel alloy tip for longer life
    • Trivalent metal plating provides superior anti-corrosion and anti-seizing properties
  • Choosing the right high-quality plugs prevents fouling from running too cool and preignition from running too hot
  • NGK plugs available for almost every application and riding style
Add Anti-Seize
Ships same business day
$3.95