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Kawasaki KX450F - Service Manual

Kawasaki KX450F
492 pages
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KX450F
Motorcycle
Service Manual

Table of Contents

Other manuals for Kawasaki KX450F

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Summary

General Information

Before Servicing

Crucial precautions and procedures for safe and effective motorcycle servicing.

Model Identification

Visual guides to identify the motorcycle model and key identification numbers.

General Specifications

Key technical specifications for the motorcycle model, covering dimensions and engine details.

Technical Information - DFI Setting Data Selection

Details on how to select DFI settings for different track conditions.

Technical Information - Launch Control Mode

Explanation of the launch control mode, its settings, and operation.

Technical Information - PSF (Pneumatic Spring Fork) Front Fork (KX450 FD ∼)

Information on the Pneumatic Spring Fork system and its features.

Unit Conversion Table

A table providing conversion factors for various measurement units.

Periodic Maintenance

Periodic Maintenance Chart

A chart outlining maintenance tasks and their recommended frequencies.

Torque and Locking Agent

Lists torque specifications and required locking agents for various fasteners.

Specifications

Detailed technical specifications for periodic maintenance items and service limits.

Special Tools

Lists and illustrates special tools required for periodic maintenance procedures.

Fuel System (DFI)

Exploded View

An exploded view illustrating the fuel system components and their assembly.

Specifications

Detailed specifications for fuel system components and their operational parameters.

Special Tools and Sealant

Lists special tools and sealants required for fuel system maintenance.

DFI System

Overview of the Digital Fuel Injection system, including wiring and parts location.

Fuel Injector

Procedures for removal, installation, and inspection of the fuel injector.

Fuel Pump

Procedures for removal, installation, and inspection of the fuel pump.

Ignition Coil

Procedures for removal, installation, and inspection of the ignition coil.

ECU

Procedures for identification, removal, installation, and inspection of the ECU.

Throttle Grip and Cable

Information on throttle grip and cable inspection, adjustment, and replacement.

Throttle Body Assy

Procedures for removal, installation, and disassembly of the throttle body assembly.

Air Cleaner

Procedures for air cleaner housing and element removal, installation, cleaning, and inspection.

Fuel Tank

Procedures for fuel tank removal, installation, and cleaning.

Cooling System

Exploded View

An exploded view illustrating the cooling system components and their assembly.

Specifications

Detailed specifications for cooling system components, including coolant and radiator details.

Special Tools

Lists special tools required for cooling system maintenance.

Coolant

Procedures for coolant level, deterioration inspection, draining, filling, and air bleeding.

Cooling System Pressure Testing

Procedures for testing the cooling system pressure and flushing.

Water Pump

Procedures for water pump cover, impeller, oil seal, and bearing removal and installation.

Engine Top End

Exploded View

An exploded view illustrating the engine top end components and their assembly.

Specifications

Detailed specifications for camshafts, cylinder head, valves, and piston.

Special Tools and Sealant

Lists special tools and sealants required for engine top end procedures.

Cylinder Head Cover

Procedures for removal, installation, and inspection of the cylinder head cover.

Camshafts

Procedures for camshaft removal, installation, and wear inspection.

Cylinder Head

Procedures for cylinder compression measurement, head removal, installation, cleaning, and warp inspection.

Valves

Procedures for valve removal, installation, and guide inspection.

Cylinder and Piston

Procedures for cylinder, piston removal, installation, and wear inspection.

Clutch

Exploded View

An exploded view illustrating the clutch components and their assembly.

Specifications

Detailed specifications for clutch lever and clutch components, including free play and wear limits.

Special Tools

Lists special tools required for clutch maintenance.

Clutch Lever and Cable

Procedures for clutch lever and cable inspection, adjustment, and replacement.

Clutch Cover and Right Engine Cover

Procedures for removal and installation of clutch and right engine covers.

Clutch

Procedures for clutch removal, installation, and plate assembly inspection.

Engine Lubrication System

Exploded View

An exploded view illustrating the engine lubrication system components and their assembly.

Lubrication System Chart

A diagram showing the flow of engine oil through the lubrication system.

Specifications

Specifications for engine oil type, viscosity, capacity, and oil pressure.

Special Tools

Lists special tools required for engine lubrication system maintenance.

Engine Oil and Oil Filter

Procedures for engine oil level inspection, oil and filter change, and oil screen cleaning.

Oil Pressure Relief Valve

Procedures for removal, installation, and inspection of the oil pressure relief valve.

Oil Pump

Procedures for oil pump (scavenge and feed) removal, installation, and inspection.

Oil Pressure Measurement

Procedure for measuring engine oil pressure.

Engine Removal;Installation

Exploded View

An exploded view illustrating engine mounting components and hardware.

Special Tools

Lists special tools required for engine removal and installation.

Engine Removal

Step-by-step instructions for removing the engine from the motorcycle frame.

Engine Installation

Step-by-step instructions for installing the engine into the motorcycle frame.

Crankshaft;Transmission

Exploded View

An exploded view illustrating crankshaft and transmission components.

Specifications

Specifications for crankshaft, connecting rod, and transmission components.

Special Tools and Sealant

Lists special tools and sealant for crankshaft/transmission service.

Crankcase

Procedures for crankcase disassembly, assembly, and inspection.

Crankshaft

Procedures for crankshaft removal, installation, disassembly, assembly, and inspection.

Transmission

Procedures for transmission shaft removal, installation, disassembly, assembly, and gear inspection.

Balancer

Procedures for balancer removal and installation.

Primary Gear

Procedures for primary gear removal and installation.

External Shift Mechanism

Procedures for shift pedal, external shift mechanism removal, installation, and inspection.

Kickstarter

Procedures for kick pedal and kick shaft assembly removal, installation, and disassembly.

Bearings;Oil Seals

Procedures for bearing replacement and wear inspection, and oil seal inspection.

Wheels;Tires

Exploded View

An exploded view illustrating wheel and tire components.

Specifications

Specifications for wheel rim dimensions, runout, tire pressure, and standard tires.

Special Tools

Lists special tools required for wheel and tire maintenance.

Wheels (Rims)

Procedures for front and rear wheel removal, installation, and inspection of spokes, rims, and axles.

Tires

Procedures for tire removal, installation, and air pressure adjustment.

Hub Bearing

Procedures for front and rear hub bearing removal, installation, inspection, and lubrication.

Final Drive

Exploded View

An exploded view illustrating final drive components like chain and sprockets.

Specifications

Specifications for drive chain slack, length, and rear sprocket warp.

Drive Chain

Procedures for drive chain slack inspection, adjustment, wear inspection, lubrication, removal, and installation.

Sprockets

Procedures for engine and rear sprocket removal, installation, and wear inspection.

Brakes

Exploded View

An exploded view illustrating brake system components.

Specifications

Specifications for brake lever, fluid, pads, and discs.

Special Tools

Lists special tools required for brake system maintenance.

Brake Lever, Brake Pedal

Procedures for brake lever and pedal play adjustment, and removal/installation.

Brake Fluid

Important precautions for handling brake fluid and procedures for fluid level inspection and change.

Caliper

Procedures for caliper removal, installation, disassembly, and inspection of seals and pistons.

Brake Pad

Procedures for brake pad removal, installation, and inspection.

Master Cylinder

Procedures for front and rear master cylinder removal, installation, disassembly, and visual inspection.

Brake Disc

Procedures for brake disc removal, installation, inspection, and runout measurement.

Suspension

Exploded View

An exploded view illustrating front fork components.

Specifications

Specifications for front fork and rear shock absorber adjustments and oil levels.

Special Tools

Lists special tools required for suspension maintenance.

Front Fork

Procedures for air pressure adjustment, compression and rebound damping adjustment, and oil change.

Rear Shock Absorber

Procedures for rebound and compression damping adjustment, spring preload, and spring tension inspection.

Swingarm

Procedures for swingarm removal, installation, bearing removal/installation, and inspection.

Tie-Rod, Rocker Arm

Procedures for tie-rod and rocker arm removal, installation, and bearing inspection.

Uni-Trak Maintenance

Inspection of tie-rod and rocker arm sleeve wear and mounting bolt runout.

Steering

Exploded View

An exploded view illustrating steering system components.

Special Tools

Lists special tools required for steering system maintenance.

Steering

Procedures for steering inspection, adjustment, and steering stem/bearing removal and installation.

Handlebar

Procedures for handlebar removal, installation, and position adjustment.

Frame

Exploded View

An exploded view illustrating frame components.

Frame

Procedures for frame inspection, rear frame removal/installation, and engine guard removal/installation.

Seat

Procedures for seat removal and installation.

Side Covers

Procedures for side cover removal and installation.

Radiator Shroud

Procedures for radiator shroud removal and installation.

Number Plate

Procedures for number plate removal and installation.

Fender

Procedures for front, rear fender, and rear flap removal/installation.

Footpegs

Procedures for footpeg removal, installation, and height adjustment.

Electrical System

Exploded View

An exploded view illustrating electrical system components.

Specifications

Specifications for flywheel magneto, charging system, and ignition system components.

Special Tools and Sealant

Lists special tools and sealant for electrical system maintenance.

Wiring Diagram

Diagrams illustrating the electrical system wiring connections.

Precautions

Important precautions to observe when servicing electrical systems.

Electrical Wiring

Procedures for inspecting electrical wiring for signs of damage and checking continuity.

Flywheel Magneto

Procedures for magneto cover, flywheel, and stator coil removal, installation, and inspection.

Charging System

Procedures for regulator/rectifier removal, installation, output voltage inspection, and troubleshooting.

Ignition System

Safety instructions and procedures for ignition coil and spark plug inspection and replacement.

Appendix

Cable, Wire, and Hose Routing

Diagrams showing the correct routing of cables, wires, and hoses on the motorcycle.

Summary

General Information

Before Servicing

Crucial precautions and procedures for safe and effective motorcycle servicing.

Model Identification

Visual guides to identify the motorcycle model and key identification numbers.

General Specifications

Key technical specifications for the motorcycle model, covering dimensions and engine details.

Technical Information - DFI Setting Data Selection

Details on how to select DFI settings for different track conditions.

Technical Information - Launch Control Mode

Explanation of the launch control mode, its settings, and operation.

Technical Information - PSF (Pneumatic Spring Fork) Front Fork (KX450 FD ∼)

Information on the Pneumatic Spring Fork system and its features.

Unit Conversion Table

A table providing conversion factors for various measurement units.

Periodic Maintenance

Periodic Maintenance Chart

A chart outlining maintenance tasks and their recommended frequencies.

Torque and Locking Agent

Lists torque specifications and required locking agents for various fasteners.

Specifications

Detailed technical specifications for periodic maintenance items and service limits.

Special Tools

Lists and illustrates special tools required for periodic maintenance procedures.

Fuel System (DFI)

Exploded View

An exploded view illustrating the fuel system components and their assembly.

Specifications

Detailed specifications for fuel system components and their operational parameters.

Special Tools and Sealant

Lists special tools and sealants required for fuel system maintenance.

DFI System

Overview of the Digital Fuel Injection system, including wiring and parts location.

Fuel Injector

Procedures for removal, installation, and inspection of the fuel injector.

Fuel Pump

Procedures for removal, installation, and inspection of the fuel pump.

Ignition Coil

Procedures for removal, installation, and inspection of the ignition coil.

ECU

Procedures for identification, removal, installation, and inspection of the ECU.

Throttle Grip and Cable

Information on throttle grip and cable inspection, adjustment, and replacement.

Throttle Body Assy

Procedures for removal, installation, and disassembly of the throttle body assembly.

Air Cleaner

Procedures for air cleaner housing and element removal, installation, cleaning, and inspection.

Fuel Tank

Procedures for fuel tank removal, installation, and cleaning.

Cooling System

Exploded View

An exploded view illustrating the cooling system components and their assembly.

Specifications

Detailed specifications for cooling system components, including coolant and radiator details.

Special Tools

Lists special tools required for cooling system maintenance.

Coolant

Procedures for coolant level, deterioration inspection, draining, filling, and air bleeding.

Cooling System Pressure Testing

Procedures for testing the cooling system pressure and flushing.

Water Pump

Procedures for water pump cover, impeller, oil seal, and bearing removal and installation.

Engine Top End

Exploded View

An exploded view illustrating the engine top end components and their assembly.

Specifications

Detailed specifications for camshafts, cylinder head, valves, and piston.

Special Tools and Sealant

Lists special tools and sealants required for engine top end procedures.

Cylinder Head Cover

Procedures for removal, installation, and inspection of the cylinder head cover.

Camshafts

Procedures for camshaft removal, installation, and wear inspection.

Cylinder Head

Procedures for cylinder compression measurement, head removal, installation, cleaning, and warp inspection.

Valves

Procedures for valve removal, installation, and guide inspection.

Cylinder and Piston

Procedures for cylinder, piston removal, installation, and wear inspection.

Clutch

Exploded View

An exploded view illustrating the clutch components and their assembly.

Specifications

Detailed specifications for clutch lever and clutch components, including free play and wear limits.

Special Tools

Lists special tools required for clutch maintenance.

Clutch Lever and Cable

Procedures for clutch lever and cable inspection, adjustment, and replacement.

Clutch Cover and Right Engine Cover

Procedures for removal and installation of clutch and right engine covers.

Clutch

Procedures for clutch removal, installation, and plate assembly inspection.

Engine Lubrication System

Exploded View

An exploded view illustrating the engine lubrication system components and their assembly.

Lubrication System Chart

A diagram showing the flow of engine oil through the lubrication system.

Specifications

Specifications for engine oil type, viscosity, capacity, and oil pressure.

Special Tools

Lists special tools required for engine lubrication system maintenance.

Engine Oil and Oil Filter

Procedures for engine oil level inspection, oil and filter change, and oil screen cleaning.

Oil Pressure Relief Valve

Procedures for removal, installation, and inspection of the oil pressure relief valve.

Oil Pump

Procedures for oil pump (scavenge and feed) removal, installation, and inspection.

Oil Pressure Measurement

Procedure for measuring engine oil pressure.

Engine Removal;Installation

Exploded View

An exploded view illustrating engine mounting components and hardware.

Special Tools

Lists special tools required for engine removal and installation.

Engine Removal

Step-by-step instructions for removing the engine from the motorcycle frame.

Engine Installation

Step-by-step instructions for installing the engine into the motorcycle frame.

Crankshaft;Transmission

Exploded View

An exploded view illustrating crankshaft and transmission components.

Specifications

Specifications for crankshaft, connecting rod, and transmission components.

Special Tools and Sealant

Lists special tools and sealant for crankshaft/transmission service.

Crankcase

Procedures for crankcase disassembly, assembly, and inspection.

Crankshaft

Procedures for crankshaft removal, installation, disassembly, assembly, and inspection.

Transmission

Procedures for transmission shaft removal, installation, disassembly, assembly, and gear inspection.

Balancer

Procedures for balancer removal and installation.

Primary Gear

Procedures for primary gear removal and installation.

External Shift Mechanism

Procedures for shift pedal, external shift mechanism removal, installation, and inspection.

Kickstarter

Procedures for kick pedal and kick shaft assembly removal, installation, and disassembly.

Bearings;Oil Seals

Procedures for bearing replacement and wear inspection, and oil seal inspection.

Wheels;Tires

Exploded View

An exploded view illustrating wheel and tire components.

Specifications

Specifications for wheel rim dimensions, runout, tire pressure, and standard tires.

Special Tools

Lists special tools required for wheel and tire maintenance.

Wheels (Rims)

Procedures for front and rear wheel removal, installation, and inspection of spokes, rims, and axles.

Tires

Procedures for tire removal, installation, and air pressure adjustment.

Hub Bearing

Procedures for front and rear hub bearing removal, installation, inspection, and lubrication.

Final Drive

Exploded View

An exploded view illustrating final drive components like chain and sprockets.

Specifications

Specifications for drive chain slack, length, and rear sprocket warp.

Drive Chain

Procedures for drive chain slack inspection, adjustment, wear inspection, lubrication, removal, and installation.

Sprockets

Procedures for engine and rear sprocket removal, installation, and wear inspection.

Brakes

Exploded View

An exploded view illustrating brake system components.

Specifications

Specifications for brake lever, fluid, pads, and discs.

Special Tools

Lists special tools required for brake system maintenance.

Brake Lever, Brake Pedal

Procedures for brake lever and pedal play adjustment, and removal/installation.

Brake Fluid

Important precautions for handling brake fluid and procedures for fluid level inspection and change.

Caliper

Procedures for caliper removal, installation, disassembly, and inspection of seals and pistons.

Brake Pad

Procedures for brake pad removal, installation, and inspection.

Master Cylinder

Procedures for front and rear master cylinder removal, installation, disassembly, and visual inspection.

Brake Disc

Procedures for brake disc removal, installation, inspection, and runout measurement.

Suspension

Exploded View

An exploded view illustrating front fork components.

Specifications

Specifications for front fork and rear shock absorber adjustments and oil levels.

Special Tools

Lists special tools required for suspension maintenance.

Front Fork

Procedures for air pressure adjustment, compression and rebound damping adjustment, and oil change.

Rear Shock Absorber

Procedures for rebound and compression damping adjustment, spring preload, and spring tension inspection.

Swingarm

Procedures for swingarm removal, installation, bearing removal/installation, and inspection.

Tie-Rod, Rocker Arm

Procedures for tie-rod and rocker arm removal, installation, and bearing inspection.

Uni-Trak Maintenance

Inspection of tie-rod and rocker arm sleeve wear and mounting bolt runout.

Steering

Exploded View

An exploded view illustrating steering system components.

Special Tools

Lists special tools required for steering system maintenance.

Steering

Procedures for steering inspection, adjustment, and steering stem/bearing removal and installation.

Handlebar

Procedures for handlebar removal, installation, and position adjustment.

Frame

Exploded View

An exploded view illustrating frame components.

Frame

Procedures for frame inspection, rear frame removal/installation, and engine guard removal/installation.

Seat

Procedures for seat removal and installation.

Side Covers

Procedures for side cover removal and installation.

Radiator Shroud

Procedures for radiator shroud removal and installation.

Number Plate

Procedures for number plate removal and installation.

Fender

Procedures for front, rear fender, and rear flap removal/installation.

Footpegs

Procedures for footpeg removal, installation, and height adjustment.

Electrical System

Exploded View

An exploded view illustrating electrical system components.

Specifications

Specifications for flywheel magneto, charging system, and ignition system components.

Special Tools and Sealant

Lists special tools and sealant for electrical system maintenance.

Wiring Diagram

Diagrams illustrating the electrical system wiring connections.

Precautions

Important precautions to observe when servicing electrical systems.

Electrical Wiring

Procedures for inspecting electrical wiring for signs of damage and checking continuity.

Flywheel Magneto

Procedures for magneto cover, flywheel, and stator coil removal, installation, and inspection.

Charging System

Procedures for regulator/rectifier removal, installation, output voltage inspection, and troubleshooting.

Ignition System

Safety instructions and procedures for ignition coil and spark plug inspection and replacement.

Appendix

Cable, Wire, and Hose Routing

Diagrams showing the correct routing of cables, wires, and hoses on the motorcycle.

Kawasaki KX450F Specifications

General IconGeneral
Compression Ratio12.5:1
IgnitionDigital DC-CDI
Front Tire80/100-21
Rear Tire120/80-19
Bore x Stroke96.0 mm x 62.1 mm
Transmission5-speed
Front BrakeSingle 270mm petal disc with dual-piston caliper
Rear BrakeSingle 240mm petal disc with single-piston caliper
Overall Width820 mm
Fuel Capacity6.2 L
Seat Height955 mm
Engine Type4-stroke, 1-cylinder, DOHC, water-cooled

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