Do you have a question about the Kawasaki KX450F and is the answer not in the manual?
Crucial precautions and procedures for safe and effective motorcycle servicing.
Visual guides to identify the motorcycle model and key identification numbers.
Key technical specifications for the motorcycle model, covering dimensions and engine details.
Details on how to select DFI settings for different track conditions.
Explanation of the launch control mode, its settings, and operation.
Information on the Pneumatic Spring Fork system and its features.
A table providing conversion factors for various measurement units.
A chart outlining maintenance tasks and their recommended frequencies.
Lists torque specifications and required locking agents for various fasteners.
Detailed technical specifications for periodic maintenance items and service limits.
Lists and illustrates special tools required for periodic maintenance procedures.
An exploded view illustrating the fuel system components and their assembly.
Detailed specifications for fuel system components and their operational parameters.
Lists special tools and sealants required for fuel system maintenance.
Overview of the Digital Fuel Injection system, including wiring and parts location.
Procedures for removal, installation, and inspection of the fuel injector.
Procedures for removal, installation, and inspection of the fuel pump.
Procedures for removal, installation, and inspection of the ignition coil.
Procedures for identification, removal, installation, and inspection of the ECU.
Information on throttle grip and cable inspection, adjustment, and replacement.
Procedures for removal, installation, and disassembly of the throttle body assembly.
Procedures for air cleaner housing and element removal, installation, cleaning, and inspection.
Procedures for fuel tank removal, installation, and cleaning.
An exploded view illustrating the cooling system components and their assembly.
Detailed specifications for cooling system components, including coolant and radiator details.
Lists special tools required for cooling system maintenance.
Procedures for coolant level, deterioration inspection, draining, filling, and air bleeding.
Procedures for testing the cooling system pressure and flushing.
Procedures for water pump cover, impeller, oil seal, and bearing removal and installation.
An exploded view illustrating the engine top end components and their assembly.
Detailed specifications for camshafts, cylinder head, valves, and piston.
Lists special tools and sealants required for engine top end procedures.
Procedures for removal, installation, and inspection of the cylinder head cover.
Procedures for camshaft removal, installation, and wear inspection.
Procedures for cylinder compression measurement, head removal, installation, cleaning, and warp inspection.
Procedures for valve removal, installation, and guide inspection.
Procedures for cylinder, piston removal, installation, and wear inspection.
An exploded view illustrating the clutch components and their assembly.
Detailed specifications for clutch lever and clutch components, including free play and wear limits.
Lists special tools required for clutch maintenance.
Procedures for clutch lever and cable inspection, adjustment, and replacement.
Procedures for removal and installation of clutch and right engine covers.
Procedures for clutch removal, installation, and plate assembly inspection.
An exploded view illustrating the engine lubrication system components and their assembly.
A diagram showing the flow of engine oil through the lubrication system.
Specifications for engine oil type, viscosity, capacity, and oil pressure.
Lists special tools required for engine lubrication system maintenance.
Procedures for engine oil level inspection, oil and filter change, and oil screen cleaning.
Procedures for removal, installation, and inspection of the oil pressure relief valve.
Procedures for oil pump (scavenge and feed) removal, installation, and inspection.
Procedure for measuring engine oil pressure.
An exploded view illustrating engine mounting components and hardware.
Lists special tools required for engine removal and installation.
Step-by-step instructions for removing the engine from the motorcycle frame.
Step-by-step instructions for installing the engine into the motorcycle frame.
An exploded view illustrating crankshaft and transmission components.
Specifications for crankshaft, connecting rod, and transmission components.
Lists special tools and sealant for crankshaft/transmission service.
Procedures for crankcase disassembly, assembly, and inspection.
Procedures for crankshaft removal, installation, disassembly, assembly, and inspection.
Procedures for transmission shaft removal, installation, disassembly, assembly, and gear inspection.
Procedures for balancer removal and installation.
Procedures for primary gear removal and installation.
Procedures for shift pedal, external shift mechanism removal, installation, and inspection.
Procedures for kick pedal and kick shaft assembly removal, installation, and disassembly.
Procedures for bearing replacement and wear inspection, and oil seal inspection.
An exploded view illustrating wheel and tire components.
Specifications for wheel rim dimensions, runout, tire pressure, and standard tires.
Lists special tools required for wheel and tire maintenance.
Procedures for front and rear wheel removal, installation, and inspection of spokes, rims, and axles.
Procedures for tire removal, installation, and air pressure adjustment.
Procedures for front and rear hub bearing removal, installation, inspection, and lubrication.
An exploded view illustrating final drive components like chain and sprockets.
Specifications for drive chain slack, length, and rear sprocket warp.
Procedures for drive chain slack inspection, adjustment, wear inspection, lubrication, removal, and installation.
Procedures for engine and rear sprocket removal, installation, and wear inspection.
An exploded view illustrating brake system components.
Specifications for brake lever, fluid, pads, and discs.
Lists special tools required for brake system maintenance.
Procedures for brake lever and pedal play adjustment, and removal/installation.
Important precautions for handling brake fluid and procedures for fluid level inspection and change.
Procedures for caliper removal, installation, disassembly, and inspection of seals and pistons.
Procedures for brake pad removal, installation, and inspection.
Procedures for front and rear master cylinder removal, installation, disassembly, and visual inspection.
Procedures for brake disc removal, installation, inspection, and runout measurement.
An exploded view illustrating front fork components.
Specifications for front fork and rear shock absorber adjustments and oil levels.
Lists special tools required for suspension maintenance.
Procedures for air pressure adjustment, compression and rebound damping adjustment, and oil change.
Procedures for rebound and compression damping adjustment, spring preload, and spring tension inspection.
Procedures for swingarm removal, installation, bearing removal/installation, and inspection.
Procedures for tie-rod and rocker arm removal, installation, and bearing inspection.
Inspection of tie-rod and rocker arm sleeve wear and mounting bolt runout.
An exploded view illustrating steering system components.
Lists special tools required for steering system maintenance.
Procedures for steering inspection, adjustment, and steering stem/bearing removal and installation.
Procedures for handlebar removal, installation, and position adjustment.
An exploded view illustrating frame components.
Procedures for frame inspection, rear frame removal/installation, and engine guard removal/installation.
Procedures for seat removal and installation.
Procedures for side cover removal and installation.
Procedures for radiator shroud removal and installation.
Procedures for number plate removal and installation.
Procedures for front, rear fender, and rear flap removal/installation.
Procedures for footpeg removal, installation, and height adjustment.
An exploded view illustrating electrical system components.
Specifications for flywheel magneto, charging system, and ignition system components.
Lists special tools and sealant for electrical system maintenance.
Diagrams illustrating the electrical system wiring connections.
Important precautions to observe when servicing electrical systems.
Procedures for inspecting electrical wiring for signs of damage and checking continuity.
Procedures for magneto cover, flywheel, and stator coil removal, installation, and inspection.
Procedures for regulator/rectifier removal, installation, output voltage inspection, and troubleshooting.
Safety instructions and procedures for ignition coil and spark plug inspection and replacement.
Diagrams showing the correct routing of cables, wires, and hoses on the motorcycle.
Crucial precautions and procedures for safe and effective motorcycle servicing.
Visual guides to identify the motorcycle model and key identification numbers.
Key technical specifications for the motorcycle model, covering dimensions and engine details.
Details on how to select DFI settings for different track conditions.
Explanation of the launch control mode, its settings, and operation.
Information on the Pneumatic Spring Fork system and its features.
A table providing conversion factors for various measurement units.
A chart outlining maintenance tasks and their recommended frequencies.
Lists torque specifications and required locking agents for various fasteners.
Detailed technical specifications for periodic maintenance items and service limits.
Lists and illustrates special tools required for periodic maintenance procedures.
An exploded view illustrating the fuel system components and their assembly.
Detailed specifications for fuel system components and their operational parameters.
Lists special tools and sealants required for fuel system maintenance.
Overview of the Digital Fuel Injection system, including wiring and parts location.
Procedures for removal, installation, and inspection of the fuel injector.
Procedures for removal, installation, and inspection of the fuel pump.
Procedures for removal, installation, and inspection of the ignition coil.
Procedures for identification, removal, installation, and inspection of the ECU.
Information on throttle grip and cable inspection, adjustment, and replacement.
Procedures for removal, installation, and disassembly of the throttle body assembly.
Procedures for air cleaner housing and element removal, installation, cleaning, and inspection.
Procedures for fuel tank removal, installation, and cleaning.
An exploded view illustrating the cooling system components and their assembly.
Detailed specifications for cooling system components, including coolant and radiator details.
Lists special tools required for cooling system maintenance.
Procedures for coolant level, deterioration inspection, draining, filling, and air bleeding.
Procedures for testing the cooling system pressure and flushing.
Procedures for water pump cover, impeller, oil seal, and bearing removal and installation.
An exploded view illustrating the engine top end components and their assembly.
Detailed specifications for camshafts, cylinder head, valves, and piston.
Lists special tools and sealants required for engine top end procedures.
Procedures for removal, installation, and inspection of the cylinder head cover.
Procedures for camshaft removal, installation, and wear inspection.
Procedures for cylinder compression measurement, head removal, installation, cleaning, and warp inspection.
Procedures for valve removal, installation, and guide inspection.
Procedures for cylinder, piston removal, installation, and wear inspection.
An exploded view illustrating the clutch components and their assembly.
Detailed specifications for clutch lever and clutch components, including free play and wear limits.
Lists special tools required for clutch maintenance.
Procedures for clutch lever and cable inspection, adjustment, and replacement.
Procedures for removal and installation of clutch and right engine covers.
Procedures for clutch removal, installation, and plate assembly inspection.
An exploded view illustrating the engine lubrication system components and their assembly.
A diagram showing the flow of engine oil through the lubrication system.
Specifications for engine oil type, viscosity, capacity, and oil pressure.
Lists special tools required for engine lubrication system maintenance.
Procedures for engine oil level inspection, oil and filter change, and oil screen cleaning.
Procedures for removal, installation, and inspection of the oil pressure relief valve.
Procedures for oil pump (scavenge and feed) removal, installation, and inspection.
Procedure for measuring engine oil pressure.
An exploded view illustrating engine mounting components and hardware.
Lists special tools required for engine removal and installation.
Step-by-step instructions for removing the engine from the motorcycle frame.
Step-by-step instructions for installing the engine into the motorcycle frame.
An exploded view illustrating crankshaft and transmission components.
Specifications for crankshaft, connecting rod, and transmission components.
Lists special tools and sealant for crankshaft/transmission service.
Procedures for crankcase disassembly, assembly, and inspection.
Procedures for crankshaft removal, installation, disassembly, assembly, and inspection.
Procedures for transmission shaft removal, installation, disassembly, assembly, and gear inspection.
Procedures for balancer removal and installation.
Procedures for primary gear removal and installation.
Procedures for shift pedal, external shift mechanism removal, installation, and inspection.
Procedures for kick pedal and kick shaft assembly removal, installation, and disassembly.
Procedures for bearing replacement and wear inspection, and oil seal inspection.
An exploded view illustrating wheel and tire components.
Specifications for wheel rim dimensions, runout, tire pressure, and standard tires.
Lists special tools required for wheel and tire maintenance.
Procedures for front and rear wheel removal, installation, and inspection of spokes, rims, and axles.
Procedures for tire removal, installation, and air pressure adjustment.
Procedures for front and rear hub bearing removal, installation, inspection, and lubrication.
An exploded view illustrating final drive components like chain and sprockets.
Specifications for drive chain slack, length, and rear sprocket warp.
Procedures for drive chain slack inspection, adjustment, wear inspection, lubrication, removal, and installation.
Procedures for engine and rear sprocket removal, installation, and wear inspection.
An exploded view illustrating brake system components.
Specifications for brake lever, fluid, pads, and discs.
Lists special tools required for brake system maintenance.
Procedures for brake lever and pedal play adjustment, and removal/installation.
Important precautions for handling brake fluid and procedures for fluid level inspection and change.
Procedures for caliper removal, installation, disassembly, and inspection of seals and pistons.
Procedures for brake pad removal, installation, and inspection.
Procedures for front and rear master cylinder removal, installation, disassembly, and visual inspection.
Procedures for brake disc removal, installation, inspection, and runout measurement.
An exploded view illustrating front fork components.
Specifications for front fork and rear shock absorber adjustments and oil levels.
Lists special tools required for suspension maintenance.
Procedures for air pressure adjustment, compression and rebound damping adjustment, and oil change.
Procedures for rebound and compression damping adjustment, spring preload, and spring tension inspection.
Procedures for swingarm removal, installation, bearing removal/installation, and inspection.
Procedures for tie-rod and rocker arm removal, installation, and bearing inspection.
Inspection of tie-rod and rocker arm sleeve wear and mounting bolt runout.
An exploded view illustrating steering system components.
Lists special tools required for steering system maintenance.
Procedures for steering inspection, adjustment, and steering stem/bearing removal and installation.
Procedures for handlebar removal, installation, and position adjustment.
An exploded view illustrating frame components.
Procedures for frame inspection, rear frame removal/installation, and engine guard removal/installation.
Procedures for seat removal and installation.
Procedures for side cover removal and installation.
Procedures for radiator shroud removal and installation.
Procedures for number plate removal and installation.
Procedures for front, rear fender, and rear flap removal/installation.
Procedures for footpeg removal, installation, and height adjustment.
An exploded view illustrating electrical system components.
Specifications for flywheel magneto, charging system, and ignition system components.
Lists special tools and sealant for electrical system maintenance.
Diagrams illustrating the electrical system wiring connections.
Important precautions to observe when servicing electrical systems.
Procedures for inspecting electrical wiring for signs of damage and checking continuity.
Procedures for magneto cover, flywheel, and stator coil removal, installation, and inspection.
Procedures for regulator/rectifier removal, installation, output voltage inspection, and troubleshooting.
Safety instructions and procedures for ignition coil and spark plug inspection and replacement.
Diagrams showing the correct routing of cables, wires, and hoses on the motorcycle.
| Compression Ratio | 12.5:1 |
|---|---|
| Ignition | Digital DC-CDI |
| Front Tire | 80/100-21 |
| Rear Tire | 120/80-19 |
| Bore x Stroke | 96.0 mm x 62.1 mm |
| Transmission | 5-speed |
| Front Brake | Single 270mm petal disc with dual-piston caliper |
| Rear Brake | Single 240mm petal disc with single-piston caliper |
| Overall Width | 820 mm |
| Fuel Capacity | 6.2 L |
| Seat Height | 955 mm |
| Engine Type | 4-stroke, 1-cylinder, DOHC, water-cooled |











