Checking The Swingarm; Adjusting The Thrust Clearance - Yamaha SR400 2014 Service Manual

REAR SHOCK ABSORBER ASSEMBLY AND SWINGARM
ing the swingarm from side to side.
c. If the swingarm side play is out of specifica-
tion, check the spacers and bearings.
Swingarm end free play limit (ra-
dial)
1.0 mm (0.04 in)
d. Check the swingarm vertical movement "B"
by moving the swingarm up and down.
If swingarm vertical movement is not smooth
or if there is binding, check the collars and
bearings.
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4. Remove:
• Pivot shaft
• Swingarm
EAS23371

CHECKING THE SWINGARM

1. Check:
• Swingarm
Bends/cracks/damage  Replace.
2. Check:
• Pivot shaft nut
Damage/wear  Replace.
3. Check:
• Pivot shaft
Roll the pivot shaft on a flat surface.
Bends  Replace.
EWA13770
WARNING
Do not attempt to straighten a bent pivot
shaft.
4. Check:
• Collar "1"
• Dust cover "2"
• Bearing "3"
• Oil seal "4"
• Bearing "5"
• Collar "6"
Damage/wear  Replace.
2
3 4
5
EAS2RD1028

ADJUSTING THE THRUST CLEARANCE

1. Measure:
• Collar (head pipe) length "a"
Out of specification  Replace.
Collar (head pipe) length, stan-
dard value
197.3–197.5 mm (7.77–7.78 in)
2. Measure:
• Size "b" (swingarm pivot shaft length + thick-
ness of both bearings "1" + thickness of cover
"2")
4-50
5
4
3
2
1
6
a