BBR Motorsports

Big bore kit for the 2003-2005 CRF150F. A simple bore in bore kit that includes BBR's high performance camshaft and valve springs for added performance. This cam features higher lift and duration than stock. Complete kit includes piston, rings, pin, clips, BBR MX cam, valve springs and gaskets. This is the quickest way to add the most power to your bike. Great when combined with our exhaust system, Rev-Box, and Free-Flow airfilter. Requires machining of stock cylinder for installation.

• Adds up to 3.5 HP
• 67mm piston, pin, clips, and rings
• 10.75:1 compression ratio
• Includes head and base gaskets
• Makes more aggressive style of power
• Bike still starts easily and idles smooth
• Same camshaft as used by the BBR Race Team
• Requires professional boring of your stock cylinder

High quality bore kit that shows substantial power gains throughout the RPM range. 65mm piston. 9.8:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.

• All new design
• Brand new high quality BBR aluminum cylinder
• 9.8:1 compression ratio
• 65mm piston
• Includes cylinder, piston, pin, rings, and gaskets

High performance camshaft for the CRF150F 03'-05' and CRF230F. Higher lift and duration than stock.

• Adds 1+ HP to fully modified motor
• Makes more aggressive race-style of power
• Bike still starts easily and idles smooth

• Eliminates the 9800 rpm rev-limiter of the OEM ignition
• Direct replacement for the OEM CDI ignition box
• Hotter advance curve

Sized perfectly for adult back-yard racing or fast/aggressive mini riders. This is the most important upgrade you can make for an adult sized rider. The stock suspension is too soft for most adults and aggressive kids.

• 30% stiffer than stock
• Preset and stress relieved for long life
• Custom wound from aircraft quality spring steel

• Billet machined aluminum gas cap with gold anodized breather
• Large grip area for easy spin on/off

Folding tip, forged aluminum shift lever from BBR Motorsports. Stronger and lighter than the stock shift lever.

• Bolts directly to the shift shaft, eliminating the need for the stock linkage which can get sticky and is prone to collecting mud
• Strong forged aluminum construction
• Steel knurled folding tip (chrome plated)
• Anodized titanium finish
• 1" longer than stock

Folding tip, forged aluminum shift lever from BBR Motorsports. Stronger and lighter than the stock shift lever.

• Strong forged aluminum construction
• Steel knurled folding tip (chrome plated)
• Anodized titanium finish
• 1/2" longer than stock

Sized perfectly for adult back-yard racing or fast/aggressive mini riders. This is the most important upgrade you can make for an adult sized rider. The stock suspension is too soft for most adults and aggressive kids. Fits stock shock.

• 30% stiffer than stock
• Preset and stress relieved for long life
• Custom wound from aircraft quality spring steel
• Powder coated finish

These valve springs are required when using the BBR High Performance camshaft for the CRF150/230F.

• Built from the highest quality chrome-silicon wire
• Fully shot-peened and preset for long life