Engine

High quality bore kit that shows substantial power gains throughout the RPM range. 63mm piston. 10.5:1 compression ratio allows use of premium pump gas. Complete kit includes: cylinder, piston, ring set, pin, clips and gaskets.

• Brand new high quality BBR aluminum cylinder
• 10.5:1 compression ratio
• 63mm piston
• Includes cylinder, piston, pin, rings, and gaskets

A brand new camshaft purpose built for the KLX140! The KLX140 is the ultimate trail bike. It just needs a little more power.

• Adds 1+ hp to fully modified motor (170cc Big Bore kit)
• Makes more aggressive race-style of power
• Bike still starts easily and idles smooth
• Same camshaft as used by the BBR Race Team
• No exchange required
• 92 octane ok

Note: The BBR KLX140 Performance Camshaft installs the same as the OEM camshaft (valve clearance IN: .002"-.003" / EX: .004"-.006"). We recommend you purchase an OEM Kawasaki KLX140 Service Manual to assist you when installing this camshaft.

This set includes the head, base, and upper end gaskets. They are designed for piston replacement. Includes all gaskets and seals from base gasket up.

Providing unbeatable performance and exceptional value, Hi-Flo is the best-selling brand of aftermarket filters for motorcycles, scooters, and ATVs worldwide.

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