Yamaha YZ450F 2020 Owner's Service Manual page 14

STARTING A WARM ENGINE.................................................................1-27
BREAK-IN PROCEDURES ......................................................................1-27
ENGINE STARTING PRECAUTION ........................................................1-27
MAINTENANCE AFTER BREAK-IN ..............................................................1-28
MAJOR MAINTENANCE..........................................................................1-28
AIR FILTER MAINTENANCE ...................................................................1-28
TORQUE-CHECK POINTS.............................................................................1-29
MOTORCYCLE CARE AND STORAGE ........................................................1-31
CARE........................................................................................................1-31
STORAGE ................................................................................................1-32