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CRF450X: Engine

CRF450X

Chain Size:         Front Sprocket:         Rear Sprocket:         Front Tire:         Rear Tire:         Spark Plug:
520x114 13T 51T 80/100-21 110/100-18 IFR8H-11

 

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Engine

Valve Shim Starter Set

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Universal fit. May require additional adjustment or modification.

K&L® shims exceed the maximum of the Apparent Rockwell Hardness "C" scale. Shims average 47.0 compared to the 46.0 maximum.

These kits fit multiple brands and models, please verify correct size for your model before purchase.

13mm diameter - Includes two valve shims of each size 2.30, 2.40, 2.50, 2.55, 2.60, 2.70, 2.80, 2.90, 3.00 and 3.10.  In a shim box.

20 shims in total. From K&L.

KAWASAKI

Valve Shim Size Fitment Guide
Choose Shim Size
Ships same business day
$219.95

Valve Shim Starter Set

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
Universal fit. May require additional adjustment or modification.

K&L® shims exceed the maximum of the Apparent Rockwell Hardness "C" scale. Shims average 47.0 compared to the 46.0 maximum.

This kit fits KLR650 87-18 as well as other brands and models , please verify correct size for your model before purchase.

29mm diameter - Includes two valve shims of each size 2.30, 2.40, 2.50, 2.55, 2.60, 2.70, 2.80, 2.90, 3.00 and 3.10.  In a shim box.

20 shims in total. From K&L.

BMW / KAWASAKI / YAMAHA

Valve Shim Size Fitment Guide
Ships same business day
$219.95

Radiator Cap, High Pressure

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
CRF450X '02 - '25

Higher pressure in the cooling system, raises the coolant boiling point and increases protection from coolant loss due to overheating.

23 PSI - 1.6 Bar.

Ships in 3-5 business days
$29.95

Clutch Kit, DP

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
CRF450X '19 - '25
FRICTION PLATES
  • Exclusive high-heat friction materials for fade-free performance
  • Designed to ensure ultra smooth power delivery
  • More durable than OE plates
  • Friction compounds designed to suit off-road and dual sport bikes
  • Come ready to race – no need to pre-soak plates in oil
STEEL DRIVE PLATES
  • Long lasting – up to 300% more life than stock plates
  • Steel plates won't expand; do not fade or promote clutch swell like stock aluminum plates
  • Will not muddy or contaminate oil
  • Increased weight over stock plates adds flywheel effect for aiding starting and traction
CLUTCH SPRINGS
  • Individually designed to ensure no slippage with super-strong spring rates
  • Heat-treated and shot-peened for maximum life
  • Precision-wound using the finest chrome silicon wire
  • Improve feel and ease of clutch operation
Ships in 3-5 business days
$171.95

Engine Plug Set, Works Connection

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
  • Precision-machined from 6061-T6 aluminum
  • Simple positive installation with an Allen wrench
  • Set of two plugs (unless noted) replaces the stock plugs
  • Polished to a mirror finish prior to anodizing, resulting in a brilliant look
  • Anodized finish
  • Made in the U.S.A.
Please contact us for availability information
$24.95

Oil Dipstick, Works Connection

Made in USA WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
CRF450X '19 - '25
  • Machined from 6061-T6 billet aluminum
  • Durable, lightweight and pre-drilled for safety wire
  • Made in the U.S.A.
Ships in 3-5 business days
$39.95

Oil Drain System - EZ, Works Connection

Made in USA WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
CRF450X '19 - '25
  • A quick, simple, no mess solution to oil changes
  • CNC'd 6061 T-6 aluminum adaptor body
  • Knurled grip and Buna O-ring for tool free sealing
  • High-temp Silicone hose
  • Ergonomic start/stop clamp
  • End caps protect threads and provide clean storage
  • Engineered, manufactured and assembled in the USA
Ships in 3-5 business days
$46.95

Spark Plug Socket, Thin Wall

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

Camshaft Installation Tool Kit

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

Clutch Holding Tool

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

Crank Case Separator Tool Set

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

Please contact us for availability information
$112.95

Oil Filter Removal Tool, Motion Pro

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

Temperature Stickers

WARNING: This product contains chemicals known to the State of California to cause cancer and birth defects or other reproductive harm.
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 146° to 248°

Ships same business day
$14.95

Thread Chasers

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

Valve Clearance Feeler Gauge Set

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