2022 Kawasaki KX450 Pre-Race Checks and After-Race Maintenance
PRE-RACE CHECKS AND AFTER-RACE MAINTENANCE
Pre-Race Checks
- Front axle nut, or axle clamp bolt torque
- Front fork clamp bolt torque
- Handlebar clamp bolt torque
- Throttle grip screw tightness
- Throttle grip operation
- Front and rear brake hose installation
- Front and rear brake fluid level
- Front and rear brake disc and caliper installation
- Front and rear brake function
- Fuel tank installation
- All control cable routings
- Engine mounting bolt torque
- Engine sprocket installation
- Shift pedal bolt torque
- Engine oil level
- Rocker arm pivot nut torque
- Tie-rod mounting nut torque
- Rear shock absorber nut torque
- Swingarm pivot shaft nut torque
- Rear axle nut torque
- Rear sprocket nut torque
- Rear brake pedal operation
- Seat installation
- Front and rear wheel spoke torque
- Front and rear tire air pressure
- Front fork air pressure
- Drive chain slack
- Coolant level
- Oil applied to air cleaner element
- Clutch hose installation
- Clutch fluid level
Maintenance After the First Race
- Clean the air cleaner element.
- Adjust the drive chain slack.
- Torque the rear sprocket nuts.
- Torque the spokes.
- Check the front and rear tire air pressure.
- Torque the front and rear axle nuts.
- Torque the swingarm pivot shaft nut.
- Torque the muffler and exhaust pipe bolts and nuts.
- Tighten the front and rear fender bolts.
- Tighten the fuel tank and seat bolts.
- Check the front and rear brake function.
- Check the steering play.
- Fill the fuel tank with fuel.
- Check the coolant level.
Maintenance After Riding on a Dusty Course
- If dirt or dust gets into the engine, cylinder, piston, and crankshaft bearings will be damaged. After riding, inspect the crankshaft’s big end. If the crank- shaft’s big end is worn past the service limit, replace the crankshaft with a new one.
- Clean the sliding surface of the front fork and rear shock absorber.
Maintenance After Riding in the Rain or on a Muddy Course
- Clean the sliding surface of the front fork and rear shock absorber.
- Apply grease to the swingarm and rear suspension pivots
- Inspect the drive chain and rear sprocket for wear.
- Clean the air cleaner element
- Check the cylinder and crankshaft big end.
- Grease the throttle grip and control cables.
Suggested Spare Parts
- Front and rear wheels
- Shift pedal and brake pedal
- Brake lever, clutch lever, and holders
- Throttle cables
- Handlebar
- Front and rear fenders, side covers, and number plate
- Radiator, radiator shroud, and water hoses
- Throttle grip assembly
- Air cleaner element
- Muffler, and related parts
- Chaincase
- Rear shock absorber springs (for suspension adjustment)
- Rear and engine sprockets with bolts/nuts and circlips
- Electrical parts
- Spark plugs
- Clutch assembly and friction plates
- Gaskets
- Front and rear tires (various compounds and tread patterns for different conditions)
- Front fork assembly
- Piston and piston rings
- Tire wraps, bolts, nuts, screws, O-rings, washers, snap rings, wire, adhesive tape, vinyl tape (or duct tape), and #400 to #600 emery cloth