clock reset YAMAHA WR 450F 2005 Notices Demploi (in French)
[x] Cancel search | Manufacturer: YAMAHA, Model Year: 2005, Model line: WR 450F, Model: YAMAHA WR 450F 2005Pages: 758, PDF Size: 17.3 MB
Page 748 of 758

7 - 19
TUNSETTING
EC72H002
Suspension setting
Front fork
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).
SymptomSection
Check Adjust
JumpLarge 
gapMedium 
gapSmall 
gap
Stiff over entire rangeCompression damping Turn adjuster counterclockwise (about 2 clicks) to 
decrease damping.
Oil level (oil amount) Decrease oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in).
Spring Replace with soft spring.
Unsmooth movement 
over entire rangeOuter tube
Check for any bends, dents, and other noticeable 
scars, etc. If any, replace affected parts.
Inner tube
Under bracket tightening 
torqueRetighten to specified torque.
Poor initial 
movementRebound damping Turn adjuster counterclockwise (about 2 clicks) to 
decrease damping.
Oil seal Apply grease in oil seal wall.
Soft over entire 
range, bottoming outCompression damping Turn adjuster clockwise (about 2 clicks) to increase 
damping.
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 
endOil level (oil amount) Decrease oil level by about 5 mm (0.2 in).
Soft toward stroke 
end, bottoming outOil level (oil amount) Increase oil level by about 5 mm (0.2 in).
Stiff initial movement Compression dampingTurn adjuster counterclockwise (about 2 clicks) to 
decrease damping.
Low front, tending to 
lower front postureCompression damping Turn adjuster clockwise (about 2 clicks) to increase 
damping.
Rebound damping Turn adjuster counterclockwise (about 2 clicks) to 
decrease damping.
Balance with rear end Set sunken length for 95 ~ 100 mm (3.7 ~ 3.9 in) 
when one passenger is astride seat (lower rear pos-
ture).
Oil level (oil amount) Increase oil level by about 5 mm (0.2 in).
“Obtrusive” front, 
tending to upper front 
postureCompression damping Turn adjuster counterclockwise (about 2 clicks) to 
decrease damping.
Balance with rear end Set sunken length for 90 ~ 95 mm (3.5 ~ 3.7 in) 
when one passenger is astride seat (upper rear pos-
ture).
Spring Replace with soft spring.
Oil lever (oil amount) Decrease oil level by about 5 ~ 10 mm (0.2 ~ 0.4 in). 
Page 749 of 758

7 - 20
TUNSETTING
Rear shock absorber
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.
Adjust the rebound damping in 2-click increments or decrements.
Adjust the low compression damping in 1-click increments or decrements.
Adjust the high compression damping in 1/6 turn increments or decrements.
SymptomSection
Check Adjust
JumpLarge 
gapMedium 
gapSmall 
gap
Stiff, tending to sinkRebound damping Turn adjuster counterclockwise (about 2 clicks) to 
decrease damping.
Spring set length Set sunken length for 90 ~ 100 mm (3.5 ~ 3.9 in) 
when one passenger is astride seat.
Spongy and unstableRebound damping Turn adjuster clockwise (about 2 clicks) to increase 
damping.
Low compression damp-
ingTurn adjuster clockwise (about 1 click) to increase 
damping.
Spring Replace with stiff spring.
Heavy and draggingRebound damping Turn adjuster counterclockwise (about 2 clicks) to 
decrease damping.
Spring Replace with soft spring.
Poor road grippingRebound damping Turn adjuster counterclockwise (about 2 clicks) to 
decrease damping.
Low compression damp-
ingTurn adjuster clockwise (about 1 clicks) to increase 
damping.
High compression damp-
ingTurn adjuster clockwise (about 1/6 clicks) to 
increase damping.
Spring set length Set sunken length for 90 ~ 100 mm (3.5 ~ 3.9 in) 
when one passenger is astride seat.
Spring Replace with soft spring.
Bottoming outHigh compression damp-
ingTurn adjuster clockwise (about 1/6 turn) to increase 
damping.
Spring set length Set sunken length for 90 ~ 100 mm (3.5 ~ 3.9 in) 
when one passenger in astride seat.
Spring Replace with stiff spring.
BouncingRebound damping Turn adjuster clockwise (about 2 clicks) to increase 
damping.
Spring Replace with soft spring.
Stiff travelHigh compression damp-
ingTurn adjuster counterclockwise (about 1/6 turn) to 
decrease damping.
Spring set length Set sunken length for 95 ~ 100 mm (3.7 ~ 3.9 in) 
when one passenger is astride seat.
Spring Replace with soft spring.