Husqvarna FE 450 User Manual (English)

Questions and Answers:

A
Andrew Clark IIIAug 17, 2025
What causes high oil consumption in my Husqvarna FE 450 Motorcycle?
- R
  Rodney BakerAug 17, 2025
  High oil consumption in your Husqvarna Motorcycle can be attributed to several factors. If the engine vent hose is bent, route it without bends or replace it. Check the engine oil level; if it's too high, adjust it. Engine oil that is too thin (low viscosity) can also cause high consumption; change the engine oil and oil filter, and clean the oil screens. Lastly, worn piston and cylinder can contribute to this issue; measure the piston/cylinder mounting clearance.
J
Justin LangAug 19, 2025
How to fix a Husqvarna FE 450 when the engine won't crank with the electric starter?
- D
  Dustin OwensAug 19, 2025
  If your Husqvarna Motorcycle engine fails to crank using the electric starter, there are several potential causes. First, ensure you are following the correct start procedure. If that's not the issue, check if the battery is discharged and recharge if necessary, verifying the charging voltage, closed current, and alternator stator winding. Also, inspect the main fuse and replace it if blown. Finally, the starter relay or the starter motor itself could be defective and require checking.
P
Philip MendezAug 22, 2025
What to do if my Husqvarna Motorcycle engine turns over but won't start?
- G
  garyjordanAug 22, 2025
  If your Husqvarna Motorcycle engine turns over but doesn't start, consider these possible causes. Ensure you're using the correct starting procedure. Check the fuel hose connection to make sure it's properly connected. Also, examine fuses 1 and 4, replacing them if they're blown. Inspect the spark plug; if it's oily or wet, clean and dry it, or replace it if needed. Make sure the spark plug electrode gap is correctly adjusted to 1.0 mm (0.039 in). Other potential issues include an incorrectly set idle speed (adjust as needed), a defective ignition system, a frayed short-circuit cable in the wiring harness, a defective kill switch or emergency OFF switch, or a defect in the fuel injection system.
M
Mackenzie JonesAug 25, 2025
Why does my Husqvarna Motorcycle engine have low power?
- S
  sanchezkimberlyAug 26, 2025
  If your Husqvarna Motorcycle engine has too little power, several factors could be responsible. A heavily contaminated air filter could be the cause; clean the air filter and air filter box. Also, a very dirty fuel filter or fuel screen could be the issue; in this case, change the fuel filter or fuel screen. Inspect the exhaust system for leaks or deformation, and consider replacing the glass fiber yarn filling in the main silencer if it's insufficient. Additionally, check if the valve clearance is too small and adjust it accordingly. The ignition system could also be defective, in which case you should check the ignition coil's secondary winding, the spark plug connector, and the alternator's stator winding.
R
Robert WrightAug 27, 2025
Why does my Husqvarna FE 450 engine shut off while riding?
- B
  Brandon JacksonAug 27, 2025
  If your Husqvarna Motorcycle engine dies during a trip, it could be due to several reasons. The most obvious is a lack of fuel, so refuel. Check fuses 1 and 4 and replace them if blown. A low coolant level in the cooling system can also cause this issue; check for leaks and verify the coolant level. Finally, insufficient airflow can cause the engine to die; switch off the engine when stationary to prevent this.
W
warrenwheelerAug 30, 2025
Why won't my Husqvarna FE 450 Motorcycle engine accelerate properly?
- J
  jacquelinenguyenAug 30, 2025
  If your Husqvarna Motorcycle engine does not speed up, it could be due to a defect in the fuel injection system. Another potential cause is a defective ignition system. In this case, check the secondary winding of the ignition coil, the spark plug connector, and the stator winding of the alternator.
K
Kristina GibsonSep 2, 2025
What does it mean when the malfunction indicator lamp lights up on my Husqvarna Motorcycle?
- D
  Dustin NolanSep 2, 2025
  If the malfunction indicator lamp lights up or flashes on your Husqvarna Motorcycle, it indicates a defect in the fuel injection system. Stop the motorcycle and identify the faulty part using the blink code. Check the cabling for damage and the electrical plug-in connectors for corrosion and damage.
C
Crystal WhiteSep 5, 2025
Why is my Husqvarna FE 450 battery constantly dying?
- S
  Susan MooreSep 5, 2025
  If your Husqvarna Motorcycle battery keeps discharging, it could be because the alternator is not charging it properly; check the charging voltage and the stator winding of the alternator. Another possibility is an undesired power consumer draining the battery; check the closed current to identify any such consumers.
A
angela27Sep 8, 2025
Why aren't the speedometer, horn, brake light, turn signal, and radiator fan working on my Husqvarna FE 450?
- M
  Mr. Randy HigginsSep 8, 2025
  If the speedometer, horn, brake light, turn signal, and radiator fan are not working on your Husqvarna Motorcycle, it's likely that fuse 3 is blown. Replace the fuse.
E
emurphySep 12, 2025
What to do if the lights aren't working on my Husqvarna Motorcycle?
- A
  Ann Le DDSSep 12, 2025
  If the high beam, low beam, tail light, parking light, and license plate lamp are not working on your Husqvarna Motorcycle, it's likely that fuse 2 is blown. Replace the fuse.

Husqvarna FE 450 Specifications

General

Engine Type	Single cylinder, 4-stroke
Displacement	449.9 cc
Cooling System	Liquid cooled
Bore x Stroke	95 mm x 63.4 mm
Compression Ratio	12.75:1
Transmission	6-speed
Starter	Electric starter
Front Suspension	WP XPLOR-USD, Ø 48 mm
Fuel Capacity	8.5 liters
Front Tire	90/90-21
Rear Tire	140/80-18
Rear Suspension	WP XACT shock absorber with linkage
Front Brake	260 mm disc
Rear Brake	Disc brake 220 mm
Seat Height	950 mm
Ground Clearance	370 mm
Frame	Chromium-Molybdenum steel

Summary

2 SAFETY ADVICE

2.5 Safe Operation Practices

Provides guidelines for safe vehicle operation and lists potential dangers.

2.9 Owner's Manual Guidance

2.2 General Safety Instructions

Outlines essential safety instructions and their importance for operation.

2.6 Protective Clothing Requirements

Emphasizes the necessity and types of protective clothing for rider safety.

2.3 Risk Degrees and Symbols

Defines risk levels and associated warning symbols for hazard identification.

4 VEHICLE OVERVIEW

4.1 Front Left View Diagram

4.2 Rear Right View Diagram

6 MOTORCYCLE CONTROLS

6.6 Light Switch Functions

6.15 Idle Speed Adjustment Screw

6.14 Cold Start Button Function

6.16 Shift Lever Operation

6.8 Emergency OFF Switch States

6.17 Foot Brake Lever Function

6.9 Electric Starter Button Use

6 MOTORCYCLE CONTROLS

6.10 Combination Switch Modes

Explains the modes (mapping, TC, LC) controlled by the combination switch.

6.11 Indicator Lamp Meanings

6 MOTORCYCLE CONTROLS

6.21 Unlocking the Steering Procedure

6.19 Steering Lock Mechanism

6.20 Locking the Steering Procedure

7 SPEEDOMETER FUNCTIONS

7.1 Speedometer Layout Overview

7.3 Speedometer Message Interpretation

7.4 Speedometer Setup and Clock Setting

Guides on setting units (KM/H, M/H) and the clock display.

7 SPEEDOMETER FUNCTIONS

7.7 Service Interval Display Setup

8 PREPARING FOR RIDING

8.1 Initial Use Recommendations

Provides crucial advice for the first use, including safety and controls familiarity.

8 PREPARING FOR RIDING

8.2 Engine Running-In Procedure

Outlines the recommended procedure for breaking in the new engine.

8.4 Preparing for Difficult Riding Conditions

8 PREPARING FOR RIDING

8.5 Dry Sand Riding Preparations

8.7 Wet and Muddy Surface Preparations

8.6 Wet Sand Riding Preparations

9 RIDING INSTRUCTIONS

9.1 Pre-Ride Checks and Maintenance

Comprehensive list of checks before each ride for safety.

9.5 Starting from a Stop

9.2 Engine Starting Procedure

Step-by-step guide for starting the motorcycle engine.

9.6 Gear Shifting and Riding Technique

Guidance on shifting gears and general riding practices.

9.7 Braking Techniques

Instructions on proper braking application and safety.

9 RIDING INSTRUCTIONS

9.3 Activating Launch Control

How to engage and use the Launch Control system for optimal starts.

9.4 Activating Traction Control

Explains how to activate and use the traction control system.

9 RIDING INSTRUCTIONS

9.10 Refueling Safely

Detailed instructions for refueling, including safety precautions.

10 SERVICE SCHEDULE AND MAINTENANCE

10.2 Required Maintenance Tasks

Lists required maintenance tasks based on operating hours.

10 SERVICE SCHEDULE AND MAINTENANCE

10.3 Recommended Maintenance Tasks

Lists recommended maintenance tasks and intervals.

11 CHASSIS TUNING AND ADJUSTMENTS

11.1 Basic Chassis Setting by Rider Weight

Guides on adjusting chassis settings based on rider weight.

11.4 Adjusting High-Speed Shock Compression

Procedure for adjusting high-speed compression damping.

11.8 Checking Riding Sag of Shock Absorber

Procedure to measure the riding sag of the rear shock absorber.

11.10 Adjusting Riding Sag of Shock Absorber

Procedure for adjusting the riding sag of the shock absorber.

11.13 Adjusting Fork Rebound Damping

Procedure for adjusting the fork's rebound damping.

11.5 Adjusting Shock Absorber Rebound Damping

Procedure for adjusting shock absorber rebound damping.

11.9 Adjusting Shock Absorber Spring Preload

Step-by-step guide for adjusting spring preload.

11.14 Adjusting Fork Spring Preload

Steps for adjusting the spring preload on the front fork.

11.3 Adjusting Low-Speed Shock Compression

Step-by-step guide for adjusting low-speed compression damping.

11.12 Adjusting Fork Compression Damping

Procedure for adjusting the fork's compression damping.

11 CHASSIS TUNING AND ADJUSTMENTS

11.7 Checking Static Sag of Shock Absorber

Procedure to check the static sag of the rear shock absorber.

11 CHASSIS TUNING AND ADJUSTMENTS

11.16 Adjusting Handlebar Position

12 SERVICE WORK ON THE CHASSIS

12.1 Lifting Motorcycle with Stand

Instructions for safely raising the motorcycle using a lift stand.

12.12 Adjusting Steering Head Bearing Play

Procedure to adjust and correct play in steering head bearings.

12.3 Bleeding Fork Legs

12 SERVICE WORK ON THE CHASSIS

12.17 Installing Shock Absorber

12.23 Installing Air Filter

12.16 Removing Shock Absorber

12.24 Cleaning Air Filter and Box

12.7 Removing Front Fork Legs

12.22 Removing Air Filter

12 SERVICE WORK ON THE CHASSIS

12.8 Installing Front Fork Legs

12.10 Installing Lower Triple Clamp

12.9 Removing Lower Triple Clamp

12 SERVICE WORK ON THE CHASSIS

12.11 Checking Steering Head Bearing Play

Method for checking the play in the steering head bearings.

12.31 Removing Fuel Tank

Step-by-step instructions for removing the fuel tank.

12.32 Installing Fuel Tank

Procedure for correctly installing the fuel tank.

12.34 Cleaning the Chain

12.37 Checking Chain, Sprockets, and Guide

Procedure for checking wear on chain, sprockets, and guide.

12.42 Adjusting Clutch Lever Basic Position

12.35 Checking Chain Tension

Method for checking the correct tension of the drive chain.

12.43 Checking/Correcting Hydraulic Clutch Fluid Level

Procedure to check and correct hydraulic clutch fluid level.

12 SERVICE WORK ON THE CHASSIS

12.36 Adjusting Chain Tension

Step-by-step guide to adjust the drive chain tension accurately.

12.44 Changing Hydraulic Clutch Fluid

Step-by-step instructions for changing the hydraulic clutch fluid.

13 BRAKE SYSTEM MAINTENANCE

13.1 Checking Hand Brake Lever Free Travel

13.4 Checking Front Brake Fluid Level

Procedure to check the fluid level in the front brake reservoir.

13.8 Checking Foot Brake Lever Free Travel

13.10 Checking Rear Brake Fluid Level

Procedure to check the fluid level in the rear brake reservoir.

13.12 Checking Rear Brake Linings

How to check the minimum thickness of rear brake linings.

13.2 Adjusting Hand Brake Lever Free Travel

Procedure to adjust the free travel of the hand brake lever.

13.5 Adding Front Brake Fluid

Steps for adding front brake fluid safely.

13.9 Adjusting Foot Brake Lever Basic Position

Procedure to adjust the basic position of the foot brake lever.

13.11 Adding Rear Brake Fluid

Steps for adding rear brake fluid safely.

13.3 Checking Brake Discs

How to check brake disc thickness and for wear.

13 BRAKE SYSTEM MAINTENANCE

13.6 Checking Front Brake Linings

How to check the minimum thickness of front brake linings.

13.13 Changing Rear Brake Linings

Detailed procedure for replacing rear brake linings.

13.7 Changing Front Brake Linings

Detailed procedure for replacing front brake linings.

14 WHEELS AND TIRES MAINTENANCE

14.1 Removing the Front Wheel

Step-by-step instructions for removing the front wheel assembly.

14.2 Installing the Front Wheel

Procedure for correctly installing the front wheel assembly.

14.3 Removing the Rear Wheel

Step-by-step instructions for removing the rear wheel assembly.

14 WHEELS AND TIRES MAINTENANCE

14.4 Installing the Rear Wheel

Procedure for correctly installing the rear wheel assembly.

14.5 Checking Tire Condition

How to inspect tires for cuts, wear, and age.

14.6 Checking Tire Air Pressure

Procedure for checking and adjusting tire air pressure.

15 ELECTRICAL SYSTEM MAINTENANCE

15.1 Removing the Battery

15.3 Recharging the Battery

15.6 Removing Headlight Mask and Headlight

15.2 Installing the Battery

15 ELECTRICAL SYSTEM MAINTENANCE

15.4 Changing the Main Fuse

Procedure for replacing the main fuse in the electrical system.

15.5 Changing Individual Power Consumer Fuses

Guide for replacing fuses for specific vehicle components.

15.10 Checking Headlight Setting

15 ELECTRICAL SYSTEM MAINTENANCE

15.7 Installing Headlight Mask and Headlight

15.8 Changing Headlight Bulb

16 COOLING SYSTEM CHECKS

16.5 Refilling Coolant

16.2 Checking Antifreeze and Coolant Level

16 COOLING SYSTEM CHECKS

16.3 Checking Coolant Level in Radiator

16.4 Draining the Coolant

17 ENGINE TUNING AND ADJUSTMENTS

17.1 Checking Throttle Cable Play

17.2 Adjusting Throttle Cable Play

17 ENGINE TUNING AND ADJUSTMENTS

17.3 Setting Throttle Response Characteristic Map

How to change the throttle response by swapping guide plates.

17.4 Changing Engine Mapping

Procedure for selecting different engine performance maps.

17.5 Adjusting Idle Speed

Guide for setting the correct idle speed for the engine.

17 ENGINE TUNING AND ADJUSTMENTS

17.6 Teaching Throttle Valve Position

17.8 Adjusting Basic Shift Lever Position

17.7 Checking Basic Shift Lever Position

18 ENGINE SERVICE PROCEDURES

18.1 Changing Fuel Screen

18.2 Checking Engine Oil Level

Method for checking the engine oil level.

18 ENGINE SERVICE PROCEDURES

18.3 Engine Oil and Filter Change

Comprehensive guide for changing engine oil, filter, and cleaning screens.

18 ENGINE SERVICE PROCEDURES

18.4 Adding Engine Oil

22 TECHNICAL DATA

22.1 Engine Specifications

22.8 Shock Absorber Specifications

22.2 Engine Tightening Torques

Lists torque specifications for various engine components.

22.9 Chassis Tightening Torques

Lists torque specifications for chassis fasteners.

22 TECHNICAL DATA

22.3 Capacities and Fluid Volumes

22.4 Chassis Specifications

22 TECHNICAL DATA

22.5 Electrical System Components

22.6 Tire Specifications

22.7 Fork Specifications

23 SUBSTANCES AND FLUIDS

Brake Fluid DOT 4

Coolant Specifications

Engine Oil (SAE 10W/50)

Fork Oil (SAE 4)

Shock Absorber Fluid (SAE 2.5)

Super Unleaded Fuel

Related product manuals

Husqvarna FE 450 EU

117 pages

Husqvarna FE 450 2016

123 pages

Husqvarna FE 450 2018

164 pages

Husqvarna FE 450 2022

168 pages

Husqvarna FE 450 2021

Husqvarna FE 350 2022

166 pages

Husqvarna FE 350 2015

308 pages

Husqvarna FE 350 2021

169 pages

Husqvarna FE 501s 2022

162 pages

Husqvarna FE 350s 2021

162 pages

Husqvarna FE 450 User Manual

Table of Contents

Questions and Answers:

Husqvarna FE 450 Specifications

Summary

2 SAFETY ADVICE

2.5 Safe Operation Practices

2.9 Owner's Manual Guidance

2.2 General Safety Instructions

2.6 Protective Clothing Requirements

2.3 Risk Degrees and Symbols

4 VEHICLE OVERVIEW

4.1 Front Left View Diagram

4.2 Rear Right View Diagram

6 MOTORCYCLE CONTROLS

6.6 Light Switch Functions

6.15 Idle Speed Adjustment Screw

6.14 Cold Start Button Function

6.16 Shift Lever Operation

6.8 Emergency OFF Switch States

6.17 Foot Brake Lever Function

6.9 Electric Starter Button Use

6 MOTORCYCLE CONTROLS

6.10 Combination Switch Modes

6.11 Indicator Lamp Meanings

6 MOTORCYCLE CONTROLS

6.21 Unlocking the Steering Procedure

6.19 Steering Lock Mechanism

6.20 Locking the Steering Procedure

7 SPEEDOMETER FUNCTIONS

7.1 Speedometer Layout Overview

7.3 Speedometer Message Interpretation

7.4 Speedometer Setup and Clock Setting

7 SPEEDOMETER FUNCTIONS

7.7 Service Interval Display Setup

8 PREPARING FOR RIDING

8.1 Initial Use Recommendations

8 PREPARING FOR RIDING

8.2 Engine Running-In Procedure

8.4 Preparing for Difficult Riding Conditions

8 PREPARING FOR RIDING

8.5 Dry Sand Riding Preparations

8.7 Wet and Muddy Surface Preparations

8.6 Wet Sand Riding Preparations

9 RIDING INSTRUCTIONS

9.1 Pre-Ride Checks and Maintenance

9.5 Starting from a Stop

9.2 Engine Starting Procedure

9.6 Gear Shifting and Riding Technique

9.7 Braking Techniques

9 RIDING INSTRUCTIONS

9.3 Activating Launch Control

9.4 Activating Traction Control

9 RIDING INSTRUCTIONS

9.10 Refueling Safely

10 SERVICE SCHEDULE AND MAINTENANCE

10.2 Required Maintenance Tasks

10 SERVICE SCHEDULE AND MAINTENANCE

10.3 Recommended Maintenance Tasks

11 CHASSIS TUNING AND ADJUSTMENTS

11.1 Basic Chassis Setting by Rider Weight

11.4 Adjusting High-Speed Shock Compression

11.8 Checking Riding Sag of Shock Absorber

11.10 Adjusting Riding Sag of Shock Absorber

11.13 Adjusting Fork Rebound Damping

11.5 Adjusting Shock Absorber Rebound Damping

11.9 Adjusting Shock Absorber Spring Preload

11.14 Adjusting Fork Spring Preload

11.3 Adjusting Low-Speed Shock Compression

11.12 Adjusting Fork Compression Damping

11 CHASSIS TUNING AND ADJUSTMENTS

11.7 Checking Static Sag of Shock Absorber

11 CHASSIS TUNING AND ADJUSTMENTS

11.16 Adjusting Handlebar Position

12 SERVICE WORK ON THE CHASSIS

12.1 Lifting Motorcycle with Stand

12.12 Adjusting Steering Head Bearing Play

12.3 Bleeding Fork Legs

12 SERVICE WORK ON THE CHASSIS

12.17 Installing Shock Absorber