Yamaha WR250FM service manual Suspension setting

SETTING

EC72H002

Suspension setting

•Front fork

T U N

NOTE:

•If any of the following symptoms is experienced with the standard position as the base, make resetting by reference to the adjustment procedure given in the same chart.

•Before any change, set the rear shock absorber sunken length to the standard figure 90 ~ 100 mm (3.5 ~ 3.9 in).

		Section
Symptom					Check	Adjust
	Jump	Large	Medium	Small
		gap	gap	gap
					Compression damping	Turn adjuster counterclockwise (about 2 clicks) to
Stiff over entire range						decrease damping.
					Oil level (oil amount)	Decrease oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).
					Spring	Replace with soft spring.
					Outer tube	Check for any bends, dents, and other noticeable
Unsmooth movement					Inner tube	scars, etc. If any, replace affected parts.
over entire range					Under bracket tightening	Retighten to specified torque.
					torque
Poor initial					Rebound damping	Turn adjuster counterclockwise (about 2 clicks) to
						decrease damping.
movement
					Oil seal	Apply grease in oil seal wall.
					Compression damping	Turn adjuster clockwise (about 2 clicks) to increase
Soft over entire range,						damping.
bottoming out					Oil level (oil amount)	Increase oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).
					Spring	Replace with stiff spring.
Stiff toward stroke end					Oil level (oil amount)	Decrease oil level by about 5 mm (0.2 in).
Soft toward stroke end,					Oil level (oil amount)	Increase oil level by about 5 mm (0.2 in).
bottoming out
Stiff initial movement					Compression damping	Turn adjuster counterclockwise (about 2 clicks) to
						decrease damping.
					Compression damping	Turn adjuster clockwise (about 2 clicks) to increase
						damping.
Low front, tending to					Rebound damping	Turn adjuster counterclockwise (about 2 clicks) to
						decrease damping.
lower front posture
					Balance with rear end	Set sunken length for 95 ~ 100 mm (3.7 ~ 3.9 in) when
						one passenger is astride seat (lower rear posture).
					Oil level (oil amount)	Increase oil level by about 5 mm (0.2 in).
					Compression damping	Turn adjuster counterclockwise (about 2 clicks) to
“Obtrusive” front, tend-						decrease damping.
					Balance with rear end	Set sunken length for 90 ~ 95 mm (3.5 ~ 3.7 in) when
ing to upper front pos-
						one passenger is astride seat (upper rear posture).
ture
					Spring	Replace with soft spring.
					Oil lever (oil amount)	Decrease oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).

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