Yamaha YZ250FM 2021 Owner's Service Manual

12345678910TUNINGCHASSIS ........................................................................................................10-1SELECTION OF THE SECONDARY REDUCTION RATIO(SPROCKET)...........................................................................................10-1DRIVE AND REAR WHEEL SPROCKETS SETTING PARTS.................10-1TIRE PRESSURE .....................................................................................10-1FRONT FORK SETTING ..........................................................................10-2CHANGE IN AMOUNT AND CHARACTERISTICS OF FORK OIL ..........10-2SETTING OF SPRING AFTER REPLACEMENT.....................................10-2FRONT FORK SETTING PARTS .............................................................10-3REAR SUSPENSION SETTING...............................................................10-3CHOOSING SET LENGTH.......................................................................10-3SETTING OF SPRING AFTER REPLACEMENT.....................................10-4REAR SHOCK ABSORBER SETTING PARTS .......................................10-4SUSPENSION SETTING (FRONT FORK) ...............................................10-6SUSPENSION SETTING (REAR SHOCK ABSORBER)..........................10-7