Yamaha SRX440 1980 Service Manual page 48

1980 SRX440
N O T E : - - - - - - - - - - - -
If bushing is installed tightly. remove the bu-
shing using the bushing tool.
b. Loosen the six bolts securing the
primary sheave cap and sliding sheave.
c. Remove the sheave subassembly tool.
The primary sheave cap
and
sliding
sheave can now be disassembled.
3. Inspection
a. Check the tapered ends of the crank-
shaft and primary fixed sheave for
scratches. If scratched unduly. replace.
If scratches are minor. burnish with
emery cloth.
b. Check the primary sheave cap bushing
and sliding sheave bushing for wear. If
beyond tolerance. replace the bushing.
Bushing clearance. limit
~
Small bushing Large bushing
Inside
0.25
mm
(0.01
in) 0.25
mm
(0.01
in)
Outside
0.25 mm (0.01 in) 0.25
mm
(0.01
in)
Tool name
Bushing tool
1. Bushing too!
90890-01877
5-4
c. Check the compression spring for
igue. ex es ive y igue. rep
d. Check the spider and roller for smooth
movement and wear.
e. Check both sheaves for warping. If
warped. replace.
4. Adjustment
The primary sheave tuning should .be
set according to the altitude.