Selecting The Middle Drive And Driven Gear Shims - Yamaha 2004 Rhino 660 YXR660FAS Service Manual

MIDDLE GEAR
SELECTING THE MIDDLE DRIVE AND
DRIVEN GEAR SHIMS
When the drive and driven gear, bearing hous-
ing assembly and/or crankcase replaced, be
sure to adjust the gear shims 1 and 2.
1. Select:
• middle drive gear shim 1
• middle driven gear shim 2
M MMM M MMM M M MMM M
a. Position middle drive and driven gear by
using shims 1 and 2 with their respective
thickness calculated
marked on crankcase, bearing housing and
drive gear end.
1 Shim thickness "A"
2 Shim thickness "B"
b. To find shim thickness "A" use following for-
mula:
Middle drive pinion gear shim thickness
"A" = a + d – b – c
Where:
a = a numeral (usually a decimal number) on
the bearing housing is either added to or
subtracted from "7.5".
b = 17.0
c = drive pinion gear to driven pinion gear
center distance (considered constance
"55").
d = a numeral (usually a decimal number) on
the left crankcase specifies a thickness of
"65".
4 - 92
ENG
M MMM M M MMM M M MMM M MMM
from information