Do you have a question about the Yamaha WR450F 2021 and is the answer not in the manual?
Displacement | 449cc |
---|---|
Bore x Stroke | 97.0mm x 60.8mm |
Compression Ratio | 13.0:1 |
Ignition | TCI: Transistor Controlled Ignition |
Final Drive | Chain |
Front Brakes | Hydraulic disc, 270mm |
Rear Brakes | Hydraulic disc, 245mm |
L x W x H | 85.6 in x 32.5 in x 50.0 in |
Wheelbase | 58.3 in |
Wet Weight | 262 lb |
Engine Type | Liquid-cooled, DOHC, 4-stroke |
Fuel System | Fuel Injection |
Transmission | 5-speed |
Front Suspension | KYB® Speed-Sensitive System, inverted fork, fully adjustable; 12.2-in travel |
Rear Suspension | KYB® single shock |
Front Tire | 80/100-21 |
Rear Tire | 120/90-18 |
Provides essential safety guidelines and precautions for operating the vehicle.
Lists detailed specifications for the engine, including combustion cycle, bore, stroke, and oil quantities.
Specifies general and engine-specific tightening torques for fasteners to ensure proper assembly.
Details periodic maintenance schedules and jobs for emission control and general maintenance.
Outlines essential pre-operation checks and maintenance procedures to ensure safe operation.
Provides detailed procedures for adjusting and checking engine components like valve clearance and oil.
Covers checks and adjustments for chassis components including brakes, wheels, steering, and suspension.
Covers removal, disassembly, checking, and assembly of the front brake caliper and master cylinder.
Provides procedures for removing, disassembling, checking, and assembling the rear brake caliper and master cylinder.
Outlines procedures for removing, disassembling, checking, and assembling the front fork legs.
Outlines procedures for removing, checking, and installing the cylinder, piston, and piston rings.
Covers the removal, checking, and installation of clutch components, including plates, springs, and housing.
Details the removal, checking, and installation procedures for the crankshaft and balancer shaft assemblies.
Covers removal, checking, and installation of the transmission, shift forks, and drum assembly.
Details the circuit diagram and troubleshooting steps for the ignition system.
Provides the circuit diagram and troubleshooting guide for the electric starting system.
Covers the circuit diagram and troubleshooting procedures for the charging system.
Covers the circuit diagram, ECU self-diagnostics, and troubleshooting for the fuel injection system.
Guides through diagnosing engine issues like failure to crank or start, with possible causes and actions.
Details troubleshooting for poor brake performance, including pad wear, fluid issues, and caliper problems.
Covers symptoms related to front and rear suspension, such as stiffness, softness, leaks, and handling.
Addresses issues like handlebar wobble, heavy steering, and front wheel vibration with corresponding solutions.
Guides through diagnosing issues with the charging system, primarily focusing on battery charging problems.
Provides tables for self-diagnostic functions and diagnostic codes for the fuel injection system.
Provides a chart for adjusting front fork settings based on symptoms like stiffness, unsmooth movement, and bottoming out.
Offers a chart for adjusting rear shock absorber settings based on symptoms like stiffness, sponginess, and handling.