Yamaha YZ250R Service Manual

Contents

7-23SETTING TUNEC72H010Suspension setting9Front forkNOTE:9If any of the following symptoms is experienced with the standard position as the base, make reset-ting by reference to the adjustment procedure given in the same chart.9Before any change, set the rear shock absorber sunken length to the standard figure 90~100 mm(3.5~3.9 in).SectionSymptom Jump Large Medium Small Check Adjustgap gap gapCompression damping Turn adjuster counterclockwise (about 2 clicks)Stiff over entire to decrease damping.range 1 1 1 Oil level (oil amount) Decrease oil level by about 5~10 mm (0.2~0.4in).Spring Replace with soft spring.Unsmooth Outer tube Check for any bends, dents, and other notice-movement over 1 1 1 1 Inner tube able scars, etc. If any, replace affected parts.entire range Under bracket tightening Retighten to specified torque.torquePoor initial Rebound damping Turn adjuster counterclockwise (about 2 clicks)movement 1 to decrease damping.Oil seal Apply grease in oil seal wall.Compression damping Turn adjuster clockwise (about 2 clicks) to in-Soft over entire crease damping.range, bottoming 1 1 Oil level (oil amount) Increase oil level by about 5~10 mm (0.2~0.4out in).Spring Replace with stiff spring.Stiff toward stroke 1 Oil level (oil amount) Decrease oil level by about 5 mm (0.2 in).endSoft toward stroke 1 Oil level (oil amount) Increase oil level by about 5 mm (0.2 in).end, bottoming outStiff initial 1 1 1 1 Compression damping Turn adjuster counterclockwise (about 2 clicks)movement to decrease damping.Compression damping Turn adjuster clockwise (about 2 clicks) to in-crease damping.Low front, tending Rebound damping Turn adjuster counterclockwise (about 2 clicks)to lower front 1 1 to decrease damping.posture Balance with rear end Set sunken length for 95~100 mm (3.7~3.9 in)when one passenger is astride seat (lower rearposture).Oil level (oil amount) Increase oil level by about 5 mm (0.2 in).Compression damping Turn adjuster counterclockwise (about 2 clicks)to decrease damping.“Obtrusive” front, Balance with rear end Set sunken length for 90~95 mm (3.5~3.7 in)tending to upper 1 1 when one passenger is astride seat (upper rearfront posture posture).Spring Replace with soft spring.Oil lever (oil amount) Decrease oil level by about 5~10 mm (0.2~0.4in).