Yamaha YZ250 2021 Owner's Manual page 9

GENERAL INFORMATION
SAFETY INFORMATION ..................................................................................1-1
FOR SAFETY, BE SURE TO OBEY THE FOLLOWING:...........................1-1
LOCATION OF IMPORTANT LABELS.............................................................1-4
DESCRIPTION..................................................................................................1-5
IDENTIFICATION ..............................................................................................1-6
VEHICLE IDENTIFICATION NUMBER ......................................................1-6
ENGINE SERIAL NUMBER........................................................................1-6
INCLUDED PARTS ...........................................................................................1-7
SIDESTAND (for YZ250) ............................................................................1-7
NIPPLE WRENCH ......................................................................................1-7
VALVE JOINT .............................................................................................1-7
SET PIN......................................................................................................1-7
IMPORTANT INFORMATION ...........................................................................1-8
PREPARATION FOR REMOVAL AND DISASSEMBLY ............................1-8
REPLACEMENT PARTS ............................................................................1-8
INSTRUMENT AND CONTROL FUNCTIONS .................................................1-9
ENGINE STOP SWITCH ............................................................................1-9
SHIFT PEDAL.............................................................................................1-9
KICKSTARTER LEVER ..............................................................................1-9
FRONT BRAKE LEVER .............................................................................1-9
REAR BRAKE PEDAL................................................................................1-9
FUEL COCK (for YZ250) ............................................................................1-9
FUEL COCK (for YZ250X)........................................................................1-10
STARTER KNOB (CHOKE)......................................................................1-10
SIDESTAND (for YZ250X)........................................................................1-10
STARTING AND BREAK-IN ...........................................................................1-11
FUEL AND ENGINE MIXING OIL.............................................................1-11
STARTING A COLD ENGINE ..................................................................1-11
STARTING A WARM ENGINE .................................................................1-11
BREAK-IN PROCEDURES ......................................................................1-11
MAINTENANCE AFTER BREAK-IN ..............................................................1-13
MAJOR MAINTENANCE ..........................................................................1-13
AIR FILTER MAINTENANCE ...................................................................1-13
TORQUE-CHECK POINTS.............................................................................1-14
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