Yamaha YFM660FS Grizzly 4x4 Supplementary Service Manual page 353

REAR CONSTANT VELOCITY JOINT/FINAL DRIVE GEAR
AND DRIVE SHAFT
6) Round off the hundredth digit and select
the appropriate shim(s).
In the example above, the calculated
number is 0.97. The chart instructs you
to round off 7 to 5 at the hundredth
place. Thus, the shim thickness is
0.95 mm.
Hundredths
0, 1, 2
3, 4, 5, 6, 7
8, 9
Shims are supplied in the following thick-
nesses.
Final drive pinion gear shim
Thickness (mm)
*****************************************************
Ring gear shim selection
1.Select:
Ring gear shim(s) 1
G
*****************************************************
Selection steps:
G
To find the ring gear shim thickness "B", use
the following formula.
Ring gear shim thickness:
"B" = e – f – (g + h)
e = a numeral (usually a decimal number)
on the final drive gear case either added
to "50"
f = a numeral (usually a decimal number)
on the outside of the ring gear bearing
housing and added to 1
g = a numeral (usually a decimal number)
on the inside of the ring gear either
added to or subtracted from 35.00
7 - 25
DRIV
Rounded value
0
5
10
0.15 0.30 0.40
0.45 0.50 0.60