Checking The Rear Shock Absorber Assembly; Adjusting The Rear Shock Absorber Assembly - Yamaha YFM70RY Service Manual

ECA1S3L003
NOTICE
Do not force the adjuster past the minimum
or maximum extent of adjustment. The ad-
juster may be damaged.
L LLL L LLL L L LLL L
4. Adjust:
• Compression damping force (slow compres-
sion damping)
M MMM M MMM M M MMM M
a. Turn the adjusting screw "1" in direction "a" or
"b".
Direction "a"
Compression damping force is in-
creased.
Direction "b"
Compression damping force is de-
creased.
Compression damping setting (for
slow compression damping)
Minimum
20 click(s) out*
Standard
10 click(s) out*
Maximum
1 click(s) out*
* With the adjusting screw fully turned in
TIP
Make sure that the position indicator marks "c"
are aligned when the shock absorber is set to
the standard setting.
ECA1S3L003
NOTICE
Do not force the adjuster past the minimum
or maximum extent of adjustment. The ad-
juster may be damaged.
L LLL L LLL L L LLL L
L LLL L L LLL L L LLL L
M MMM M M MMM M M MMM M
L LLL L L LLL L L LLL L
EAS29320
CHECKING THE REAR SHOCK ABSORBER
ASSEMBLY
1. Place the vehicle on a level place.
2. Check:
• Damper rod
Bends/damage → Replace the rear shock
LLL
absorber assembly.
Refer to "REAR SHOCK ABSORBER AS-
SEMBLY" on page 4-55.
MMM • Oil leakage
Excessive oil leakage → Replace the rear
shock absorber assembly.
Refer to "REAR SHOCK ABSORBER AS-
SEMBLY" on page 4-55.
• Gas cylinder
Damage/gas leaks → Replace the rear shock
absorber assembly.
• Spring
Fatigue → Replace the rear shock absorber
assembly.
Refer to "REAR SHOCK ABSORBER AS-
SEMBLY" on page 4-55.
3. Check:
• Operation
Pump the rear shock absorber assembly up
and down several times.
Unsmooth operation → Replace rear shock
absorber assembly.
Refer to "REAR SHOCK ABSORBER AS-
SEMBLY" on page 4-55.
EAS1S3L008
ADJUSTING THE REAR SHOCK ABSORBER
ASSEMBLY
1. Remove:
• Seat
• Air filter case
Refer to "GENERAL CHASSIS" on page 4-1.
2. Adjust:
• Spring preload
M MMM M MMM M
a. Elevate the rear wheels by placing a suitable
LLL
stand under the frame.
3-31
CHASSIS
M MMM M M MMM M M MMM M M MMM M MMM