Yamaha YXR70FX, Руководство по обслуживанию

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ENG
MIDDLE GEAR
8) Round off the hundredth digit and select the
appropriate shim(s).
In the example above, the calculated num-
ber is 1.38. The chart instructs you to round
off 8 to 10 at the hundredth place. Thus, the
shim thickness is 1.40 mm (0.055 in).
Shims are supplied in the following thickness.
Hundredths Round value
0, 1, 2 0
3, 4, 5, 6, 7 5
8, 9 10
Middle drive pinion gear shim
Thickness (mm)
0.50 0.70 1.00
0.55 0.80
0.60 0.90
c. To find shim thickness “B”, use the following
formula:
Where:
f
= a numeral (usually a decimal number) on
the bearing housing is either added to or
subtracted from “77.5”
TIP:
After replacing any part in the middle driven
pinion gear assembly, the overall length of the
assembly will change. Therefore, be sure to
measure distance
f
to select the correct mid-
dle driven pinion gear shim thickness.
Middle driven pinion gear shim thickness
“B” =
f
–
g
+
h
–
i
–
j
– 0.02
f
f