Yamaha GT1 Service Manual page 33

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A. Removing the Pressure Plate
Remove the four clutch spring holding screws, and
take out the pressure plate and push rod 1.
Fig. 4-9-2
Fig. 4-9-3
B. Removing the Clutch Boss
1) Straighten the lock washer with a chisel or a
screwdriver.
2) Install the clutch holding tool on the clutch
boss.
3)
Loosen the lock nut, and then remove the
clutch ass'y.
-27-
ENGINE -
clutch
Fig. 4-9-4
C. Checking the Clutch Spring
If the free length of the spring is 1 mm (0.04 in.) or
shorter than the standard free length, replace
it.
Free length 31.5 mm (1.24 in.)
31.5
Fig. 4-9-5
Fig. 4-9-6
D. Checking the Friction Plates
Inspect the friction plates for wear. Replace them
if they show 3.5 mm (0.138 in.) or more wear, or
uneven contact.
Standard thickness 3.5 mm. {0.138 in.)
:
I
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Fig. 4-9-7