Yamaha WOLVERINE X4 2021 Owner's Manual page 8

Differential gear oil ............................. 9-25
Coolant ............................................... 9-27
Axle boots .......................................... 9-29
Checking the spark plugs .................. 9-29
Air filter maintenance.......................... 9-31
Air filter check hoses .......................... 9-35
V-belt case drain plug ........................ 9-36
Cleaning the spark arrester ................ 9-36
Valve clearance .................................. 9-38
Brakes ................................................ 9-38
Checking the front and rear brake
pads.................................................. 9-38
Checking the parking brake pads ...... 9-39
Checking the brake fluid level ............ 9-39
Brake fluid replacement ..................... 9-41
Checking the brake pedal .................. 9-41
Checking the accelerator pedal ......... 9-41
Parking brake lever free play
adjustment........................................ 9-42
Brake light switch adjustment ............ 9-42
Cable inspection and lubrication........ 9-43
Pedal lubrication................................. 9-44
Checking the stabilizer bushes .......... 9-44
Rear knuckle upper and lower pivot
lubrication (left and right) ..................9-45
Steering shaft lubrication....................9-45
Wheel removal ....................................9-46
Tire replacement.................................9-46
Wheel installation................................9-47
Battery ................................................9-48
Jump-starting .....................................9-51
Fuse replacement ...............................9-52
Headlights...........................................9-54
Headlight beam adjustment ...............9-55
Brake/tail light.....................................9-55
Interior lights (YXF85WPZM) ..............9-55
Troubleshooting..................................9-56
Troubleshooting charts.......................9-57
CLEANING AND STORAGE ..................10-1
Cleaning..............................................10-1
Storage ...............................................10-2