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KLX140(R): Engine

KLX140(R)

  • Low 30.7-inch seat height
Chain Size:        Front Sprocket:        Rear Sprocket:        Front Tire:        Rear Tire:        Spark Plug:
428x122 14T 50T 70/100-17 90/100-14 CR7HSA

Engine

KLX140(R) '08 - '25

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
Ships in 1-2 weeks
$269.95
KLX140(R) '08 - '25

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.

Please contact us for availability information
$178.95
KLX140(R) '08 - '25

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.

Please contact us for availability information
$43.95
KLX140(R) '08 - '25

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

Grab our 5-pack and save both time and money!

 

Ships same business day
$16.95
Universal fit. May require additional adjustment or modification.

Hardened chrome vanadium steel with built in rubber insert to hold spark plug steady.

Thin wall bi-hex sockets designed to access narrow spark plug holes.

Fits 3/8" square drive and hex drive, 14mm, 16mm, 18mm, 21mm.

Choose Size
Ships same business day
$14.95
KLX140(R) '08 - '25

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
Universal fit. May require additional adjustment or modification.
  • Contains degree wheel, standard unit indicator, adjustable magnetic stand, and three positive stops (10 mm, 12 mm and 14 mm threads)
  • Can be used to install and adjust timing of any cam
  • Wooden carrying case
Ships in 3-5 business days
$315.95
Universal fit. May require additional adjustment or modification.

Made from medium carbon steel with hardened jaws. It features spanner pins and the jaws open up to 5" wide. It's ideal for holding clutch hubs, flywheels, gears, sprockets, etc. Made by Motion Pro.

Ships same business day
$32.95
Universal fit. May require additional adjustment or modification.

This tool is designed to separate vertically split crank case halves on two and four stroke engines. Adjustable arms allow it to be used on multiple bolt patterns found on a variety of makes and models of motorcycles. Industrial grade steel construction with black oxide finish for long service life. Comes with 8mm mounting bolts and 6mm adapters. Protective carrying case included.

Ships in 3-5 business days
$112.95
Universal fit. May require additional adjustment or modification.

For easy removal of recessed oil filters.

Conical point screws pierces and grabs the metal end cap of the filter.

reduces potential damage to the engine cases.

NOT for use on re-usable oil filters.

Ships same business day
$13.95
Universal fit. May require additional adjustment or modification.

A 3-pack of easy to apply strips measure the temperature of engine, suspension, and radiator components. Temperature range 149° to 248°

Ships same business day
$14.95
Universal fit. May require additional adjustment or modification.

Thread Chasers are designed to clean and re-cut damaged aluminum threads.

This kit contains the two sizes most common on metric motorcycles, M6x1.0 and M8x1.25.

Thread Chasers also remove dirt and metal shavings that become captured in thread grooves.

Uses 8mm or 10mm hex sockets, a Must for all tool kits.

Ships same business day
$5.95
Universal fit. May require additional adjustment or modification.
  • 26 straight blades
  • SAE and metric markings
  • Check for clearance on valves, ignition points etc.
  • Includes 26 blades varying in thickness from .0015"/.038 mm to .025"/.635 mm
Ships same business day
$12.95