EasyManua.ls Logo

Honda CRF450RWE 2020 - User Manual

Honda CRF450RWE 2020
199 pages
Print Icon
To Next Page IconTo Next Page
To Next Page IconTo Next Page
Loading...
Contents
MOTORCYCLE SAFETY............................. 1
Important Safety Information ........................... 2
Important Safety Precautions ........................ 2
Accessories & Modifications ........................... 3
Safety Labels .................................................... 4
INSTRUMENTS & CONTROLS.................. 5
Operation Component Locations ...................... 6
MIL (Malfunction Indicator Lamp) ................. 7
MIL Blink Pattern ......................................... 7
Current DTC/Freeze DTC............................. 7
Circuit Inspection.......................................... 8
DTC Index..................................................... 9
Engine Mode & Launch Control System Indicator
& Torque Control Indicator ............................ 10
Engine Mode Indicator................................ 10
Launch Control System Indicator ............... 10
Torque Control Indicator............................. 10
BEFORE RIDING......................................... 11
Are You Ready to Ride? ................................ 12
Is Your Motorcycle Ready to Ride? ............... 13
Pre-ride Inspection ...................................... 13
BASIC OPERATING INSTRUCTIONS.... 15
Safe Riding Precautions .............................. 16
Side Stand (CRF450RX)............................. 16
Honda Selectable Torque Control............... 16
Starting & Stopping the Engine ...................... 17
Fast Idle Knob............................................. 17
Preparation .................................................. 17
Starting Procedure....................................... 17
How to Stop the Engine .............................. 18
Parking (CRF450RX) ..................................... 19
Break-in Guidelines ........................................ 20
SERVICING YOUR HONDA ......................21
Before You Service Your Honda
The Importance of Maintenance .....................22
Maintenance Safety .........................................23
Important Safety Precautions.......................23
Maintenance Schedule ....................................24
Maintenance Schedule (CRF450RX) .............25
Maintenance Schedule (CRF450R/RWE) ......26
General Competition Maintenance .................27
Before & After Competition Maintenance .....31
Between Races (CRF450RX)/Motos
(CRF450R/RWE) & Practice Maintenance
...31
After Competition Maintenance ..................32
Service Preparations
Maintenance Component Locations ...............33
Seat ..................................................................34
Fuel Tank (CRF450RX) .................................35
Fuel Tank (CRF450R/RWE) ..........................37
Subframe .........................................................39
Service Procedures
Fluids & Filters
Fuel System (CRF450RX) ..............................42
Fuel System (CRF450R/RWE) .......................52
Engine Oil .......................................................62
Coolant ............................................................65
Air Cleaner ......................................................67
Crankcase Breather .........................................69
Engine
Throttle ............................................................70
Engine Idle Speed ...........................................72
Clutch System .................................................73
Spark Plug .......................................................78
Valve Clearance ..............................................79
Piston/Piston Rings/Piston Pin ........................88
Chassis
Suspension ...................................................... 97
Brakes ........................................................... 114
Wheels .......................................................... 118
Tires & Tubes ............................................... 119
Side Stand (CRF450RX) .............................. 121
Drive Chain .................................................. 122
Exhaust Pipe/Muffler .................................... 126
Additional Maintenance Procedures ............. 132
Electrical
Battery .......................................................... 134
Appearance Care .......................................... 136
2020 CRF450R/RX/RWE
31MKE630
MOM 17046 (1901)

Table of Contents

Questions and Answers

  • S
    Sandra SmithAug 12, 2025
    Why is the clutch slipping on my Honda CRF450RWE 2020?
    • M
      Margaret SmithAug 12, 2025
      Clutch slippage in your Honda Motorcycle can occur due to several reasons: * Improperly adjusted clutch lever freeplay. * Worn or warped clutch discs/plates. * Weak clutch springs. * A sticking clutch lifter. * Or the presence of additive in the engine oil.
  • S
    stephengallagherAug 15, 2025
    Why is the cylinder compression low on my Honda Motorcycle?
    • M
      Malik PachecoAug 15, 2025
      Low cylinder compression on your Honda Motorcycle can be attributed to: * Valve clearance being too small. * A valve stuck open. * Worn cylinder and piston. * A damaged cylinder head gasket. * Improper valve timing. * Or a seized valve.
  • T
    Thomas MoraAug 20, 2025
    Why is the ignition timing incorrect on my Honda CRF450RWE 2020?
    • G
      Gabriel AllenAug 20, 2025
      Incorrect ignition timing on your Honda Motorcycle may be due to a faulty ECM or a faulty CKP sensor.
  • A
    Andrea SnyderAug 23, 2025
    Why is the brake dragging on my Honda CRF450RWE 2020?
    • I
      Isaiah RamseyAug 23, 2025
      Brake dragging on your Honda Motorcycle can be caused by worn or damaged wheel bearings, a bent axle shaft, a drive chain that is too tight, or a punctured tire.
  • T
    Tonya MillerAug 27, 2025
    Why is my Honda CRF450RWE 2020 performing poorly at low and idle speed?
    • V
      Veronica MackAug 27, 2025
      Poor performance at low and idle speed in your Honda Motorcycle can stem from an incorrect spark plug heat range, an incorrect spark plug gap, or the spark plug not being serviced frequently enough.
  • G
    grayedwardAug 31, 2025
    Why does my Honda Motorcycle pull to one side?
    • M
      mgarnerAug 31, 2025
      If your Honda Motorcycle pulls to one side, it could be because the front and rear wheels are not aligned, the fork or swingarm is bent, the axle shaft is bent, or the frame is bent.
  • A
    Andrea ArmstrongSep 3, 2025
    Why is either wheel wobbling on my Honda CRF450RWE 2020?
    • J
      Jordan LopezSep 3, 2025
      Wheel wobble on your Honda Motorcycle may arise from excessive wheel bearing play, a bent rim, an improperly installed wheel hub, excessively worn swingarm pivot bearings, or a bent frame.
  • P
    Patricia HarveySep 7, 2025
    Why is the steering heavy on my Honda CRF450RWE 2020?
    • L
      levytimothySep 7, 2025
      Heavy steering on your Honda Motorcycle could be due to a steering stem adjusting nut being too tight or damaged steering head bearings.

Summary

Motorcycle Safety

Important Safety Information

Key precautions and recommendations for safe riding.

Safety Labels

Location and importance of safety labels on the motorcycle.

Instruments & Controls

Operation Component Locations

Visual identification of controls on the handlebar and motorcycle.

MIL (Malfunction Indicator Lamp)

Understanding the MIL, its patterns, and DTC codes for diagnostics.

Before Riding

Are You Ready to Ride?

Ensuring rider and motorcycle readiness before starting.

Pre-ride Inspection

Checklist of critical items to inspect before every ride.

Basic Operating Instructions

Safe Riding Precautions

Essential safety practices for operating the motorcycle.

Starting & Stopping the Engine

Procedures for starting and stopping the engine safely.

Break-in Guidelines

Recommendations for the initial break-in period for reliability.

Servicing Your Honda

Maintenance Schedule

Schedule of required inspections and service intervals.

Engine Oil

Recommendations for engine oil type, capacity, and replacement procedures.

Spark Plug

Inspection, replacement, and reading guidelines for the spark plug.

Valve Clearance

Procedures for checking and adjusting valve clearance.

Suspension

Front Suspension Inspection

Inspecting fork protectors, dust seals, wear rings, and fork operation.

Fork Oil Adjustment

Steps for draining, refilling, and adjusting fork oil levels.

Rear Suspension Adjustments

Adjusting rear suspension spring pre-load and damping.

Brakes

Fluid Level Inspection

Checking front and rear brake fluid levels and pad wear.

Brake Pad Wear

Inspecting front and rear brake pads for wear and replacement criteria.

Tires & Tubes

Air Pressure

Recommended cold tire pressures and inflation guidelines.

Tire Replacement

Information and warnings regarding tire replacement.

Drive Chain

Inspection

Checking drive chain slack, wear, and sprocket condition.

Additional Maintenance Procedures

Nuts, Bolts, Fasteners

Checking and tightening nuts, bolts, and fasteners before riding.

Battery

Battery Charging

Recommended procedures and precautions for charging the battery.

Adjustments for Competition

Engine Mode Select Button

How to change engine output characteristics using the mode select button.

Front Suspension Adjustments

Adjusting front suspension for rider weight and track conditions.

Rear Suspension Adjustments

Adjusting rear suspension spring pre-load and damping.

Gearing

Adjusting gearing for optimal power delivery and track conditions.

Tips

Troubleshooting

Practical advice and flowcharts for solving common problems.

Technical Information

Specifications

Technical data including dimensions, capacities, and engine specifications.

Torque Specifications

Detailed torque values for various nuts, bolts, and fasteners.

Consumer Information

Authorized Manuals

Information on obtaining service manuals and other literature.

Honda CRF450RWE 2020 Specifications

General IconGeneral
Displacement449cc
Bore x Stroke96.0 mm x 62.1 mm
Compression Ratio13.5:1
Transmission5-speed
Final DriveChain
Front BrakeSingle 260mm disc with twin-piston caliper
Rear BrakeSingle 240mm disc
Front Tire80/100-21
Rear Tire120/80-19
Wheelbase58.3 inches
Seat Height37.8 inches
Engine TypeSingle-cylinder four-stroke
Valve Train4 valves
Fuel SystemPGM-FI with 46mm throttle body
Front Suspension49mm
Rear SuspensionPro-Link

Related product manuals