Honda CRF450X 2017 User Manual

IMPORTANT NOTICES
This manual should be considered a permanent part of the motorcycle and should remain with the motorcycle when it is resold.
All information in this publication is based on the latest product information available at the time of approval for printing. Honda Motor
Co., Ltd. reserves the right to make changes at any time without notice and without incurring any obligation.
No part of this publication may be reproduced without written permission.
This vehicle pictured in this owner's manual may not match your actual vehicle.
© Honda Motor Co., Ltd., 2016
FOR RECREATIONAL OFF-ROAD OR COMPETITION USE ONLY
This motorcycle is designed and manufactured for recreational off-road use or competition only and is
covered by noise control warranty. It does not conform to federal motor vehicle safety standards or US
EPA On Highway Exhaust Emission regulations, and operation on public streets, roads, or highways
is illegal. The vehicle is equipped with a USDA qualified spark arrester. If you need to cross a paved or
public road, get off and walk your motorcycle across.
Do not modify any emission-related items except for competition use. Any emission-related
modifications should be restored to standard factory specifications before resuming recreational off-
road use.
NO PASSENGERS
This motorcycle is designed and constructed as an operator-only model. The motorcycle load limit and
seating configuration do not safety permit the carrying of a passenger.
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Honda CRF450X 2017 Specifications

General

Engine Type	449cc liquid-cooled single-cylinder four-stroke
Bore x Stroke	96.0mm x 62.1mm
Compression Ratio	12.0:1
Transmission	Wide-ratio five-speed
Front Brake	Single 240mm disc with twin-piston caliper
Rear Brake	Single 240mm disc
Front Tire	80/100-21
Rear Tire	110/100-18
Wheelbase	58.3 inches
Seat Height	37.6 inches
Fuel Capacity	1.9 gallons
Valve Train	Unicam, four-valve
Final Drive	Chain
Front Suspension	47mm inverted Showa cartridge fork with adjustable compression and rebound damping; 12.4 inches travel
Rear Suspension	Pro-Link Showa single shock with spring preload, rebound and compression damping adjustability; 12.4 inches travel
Trail	4.6 inches
Induction	Keihin 40mm flat-slide carburetor

Summary

IMPORTANT NOTICES

For Recreational Off-Road Use Only

Specifies the intended use and legal restrictions for the motorcycle.

No Passengers Allowed

States that the motorcycle is designed for a single rider only.

Motorcycle Safety

Important Safety Precautions

Lists critical safety precautions for riding, including helmet, gear, and off-road use.

Loading Guidelines

Provides commonsense guidelines for carrying cargo on the motorcycle.

Accessories and Modifications Advice

Advises on the use of accessories and the risks of modifications.

Before Riding

Rider Readiness Check

Guides the rider on assessing readiness before operating the CRF.

Pre-Ride Inspection Checklist

Lists essential items to check before each ride for safety and function.

Basic Operating Instructions

Starting and Stopping the Engine

Step-by-step instructions for starting and stopping the engine.

Shifting Gears

How to shift gears smoothly and safely.

Braking Procedures

Techniques for applying front and rear brakes effectively.

Servicing Your Honda

Importance of Regular Maintenance

Emphasizes maintenance for safety, performance, and reliability.

Maintenance Schedule

Outlines maintenance intervals for regular use and competition.

Engine Oil and Filter Service

Step-by-step guide for changing engine oil and filter.

Drive Chain Maintenance

Inspection, adjustment, and lubrication of the drive chain.

Adjustments for Competition

Front Suspension Tuning

Methods for fine-tuning front suspension for competition.

Rear Suspension Tuning

Adjusting rear suspension for rider weight and conditions.

Carburetor Tuning Tips

Fine-tuning the carburetor for competition performance.

Tire Selection for Track Conditions

Choosing the right tires for different track surfaces.

Technical Information

Specifications

Key technical specifications of the motorcycle.

Torque Specifications

A list of torque values for various fasteners.

Consumer Information

Authorized Manuals

Information on obtaining service and owner's manuals.

Warranty Coverage and Service

Details on warranty coverage, service, and dealer interaction.