Yamaha BT1100 2002 Service Manual page 286

SHAFT DRIVE
Where:
a = a numeral (positive or negative) on the ring
gear, to be divided by 100 and added to "84"
b = a numeral on the final drive housing.
Example:
If the final drive pinion gear is marked "+01" and
the final drive housing is marked "83.50":
A = (84 + 1/100) – (83.50)
= (84 + 0.01) – (83.50)
= 84.01 – 83.50
= 0.51
Therefore, the calculated final drive pinion gear
shim thickness is 0.51 mm.
Shim sizes are supplied in the following thicknesses.
Final drive pinion
Thickness (mm)
Since the final drive pinion gear shims are only
available in 0.10 mm increments, round off to the
hundredths digit.
Hundredths
0, 1, 2, 3, 4
5, 6, 7, 8, 9
In the example above, the calculated final drive
pinion gear shim thickness is 0.51 mm. The chart
instructs you to round off the 1 to 0. Thus, you
should use a 0.50 mm final drive pinion gear shim.
c. To find ring gear shim thickness "B, use the
following formula:
Ring gear shim thickness
B = c + d – [(35.40 + e / 100) + f]
Where:
c = a numeral on the final drive housing.
d = a numeral usually on the outside of the ring
gear bearing housing.
e = a numeral (positive or negative) on the inside
of the ring gear, to be divided by 100 and added to
"35.40".
6-81
CHAS
gear shim
0.30, 0.40, 0.50
Rounded value
0
10