Honda CRF450RX 2020 User Manual

Authorized Manuals
186 Consumer Information
Authorized Manuals
The Service Manual used by your authorized dealer is available from your
Honda dealer or Helm, Inc. (USA only, Canada: See your dealer to order
authorized manuals.)
Also available but not necessary to service your model is the Honda Common
Service Manual which explains theory of operation and basic service
information for various systems on Honda motorcycles, scooters and ATV.
The Winter Storage Guide in conjunction with the Owner's Manual and
Service Manual can help you prepare your Honda motorcycle, scooter, ATV,
and SxS for winter storage.
These Honda manuals are written for the professional technician, but most
mechanically-capable owners should find them helpful if they have the proper
tools and skills. Special Honda tools are necessary for some procedures.
Order online: www.helminc.com
Order Toll Free: 1-888-CYCLE93 (1-888-292-5393)
(NOTE: For Credit Card Orders Only)
Monday - Friday 8:00 AM - 6:00 PM EST
Publication Item No. Description
61MKE61 2020 CRF450R/RX/RWE Service Manual
61CSM00 Common Service Manual
S9507 Winter Storage Guide
31MKE630 2020 CRF450RX/R/RWE Owner’s Manual

Honda CRF450RX 2020 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	13.5:1
Induction	Programmed Fuel Injection (PGM-FI), 46mm throttle body
Ignition	Full transistorized ignition
Transmission	5-speed
Final Drive	Chain
Front Brake	Single 260mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	120/80-18
Wheelbase	58.3 inches
Seat Height	37.8 inches
Ground Clearance	12.9 inches
Starter	Electric
Trail	4.6 inches
Front Suspension	49mm inverted fork with rebound and compression damping adjustability; 12.0 inches travel
Rear Suspension	12.4 inches of travel
Valve Train	Unicam, four-valve