Yamaha BR250F Service Manual page 120

2. Remove the sliders, rollers and weights.
3.
Remove the sliding sheave bush as
follows.
3. Weight 2. Roller 1. Slider
NOTE: _
For this operation, the special tools and
LOCTITE #640 with PRIMER "T" (required
for fixed sheave) are necessary. If these are
unavailable, avoid disassembling.
3. Remove the primary sheave assembly
with the Sheave Holder (special tool)
and Sheave Puller (special tool) asshown.
1. Sheave Holder (PING. YS·01880)
Removal
1. Remove the drive guard, and remove the
V-belt.
2.
Remove the blind cap, and remove the
primary sheave rnountinq bolt with the
Sheave Holder (special tool) as shown.
1. Sheave Holder (P/NO. YS·01880)
2. Sheave Puller (P/NO. YS·01882)
Disassembly
1. Loosen the six sheave cap securing bolts,
and remove the sheave cap and spring.
a. Immerse the primary sheave assembly in
appoximately BO°C (176°F) water for
several minutes.
b. Hold the lower piece of the Clutch
Spider Separator (special tool) on a
rigid table using a suitable mounting bolts.
Then, install the Clutch Separator
Adapter onto the Separator.
1. Lower piece of the Clutch Spider Separator
(PING. YS·28890·A)
2. Clutch Separator Adapter (P/NO. Y5-34480)
3.
Mounting bolt
c. Fit the primary sheave assembly onto
the Adapter, and secure the supporting
plates.
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