Yamaha MM700A, Manual, Page: 199 / 282

DRIVE SYSTEM 193
Slider halves
11. Check the bushing and roller assembly (Figure 29)
for wear or damage. Fit the roller onto its bushing and
check for excessive wear or looseness. the inside
diameter of bushing and compare with the wear limit
specified in Table 14. Install a new bushing if the diame-
ter exceeds the wear limit.
12. If there is any doubt about the condition of any part,
replace it with a new one.
Reassembly
NOTE
To maintain primary sheave balance, install
the weight retaining bolts so the threaded
end points in a
direction
(A,
Figure
Refer to Figure 36.
1.
Install the weight assemblies onto the sliding sheave
(Figure
30). Rotate the weight back and forth to make
sure it moves smoothly. Tighten the bolts to 6 (53
Make sure to tighten the setscrews
2.
Apply a low temperature molybdenum
grease to each weight face.
Weight
Stamped side
Rivet
NOTE
To maintain primary sheave install
the roller bolts so the threaded in a
counterclockwise direction as shown in
w e
28.
3. Install the spider roller assemblies (Figure 28).
Tighten the nut to 6 (53 Check that each
roller turns smoothly.
4. Install the primary sheave spring (Figure 27).
5. Align the X mark on the sheave cap (Figure 33) with
the mark on spider (Figure
37) and install the
sheave cap.
6. Install the sheave cap bolts and Tighten
the bolts evenly in a crossing pattern to 14 (124
Installation
Clean the crankshaft taper with an aerosol parts
cleaner or lacquer thinner.
2. Slide the primary sheave onto the crankshaft.
3. Apply a light weight oil onto the primary bolt threads
and thread the bolt into the end of the crankshaft. See Fig-
ure 38.
4. Secure the primary sheave with the holder.
5. Tighten the primary sheave bolt in two steps as fol-
lows:
a. Tighten the bolt to 120 (88 to seat the
primary sheave onto the
b. Loosen primary sheave bolt completely.
c. Retighten the primary sheave bolt to 60 (44
6. Remove the holder.
7. Reinstall the drive belt as described in this chapter.