Yamaha YFM4FAR, Service Manual

Page: 269 / 397

7 - 22
DRIV
REAR AXLE/FINAL DRIVE GEAR AND DRIVE SHAFT
5) Therefore, shim thickness “B” is 0.63.
“B”= 45.53 + 1.05 – (34.95 + 11.00)
= 46.58 – 45.95
= 0.63
6) Round off the hundredth digit and select
the appropriate shim(s).
In the example above, the calculated
number is 0.63. The chart instructs you
to round off 3 to 5 at the hundredth
place.
Thus, the shim thickness is 0.65 mm.
Shims are supplied in the following
thicknesses.
*****************************************************
Hundredths Rounded value
0, 1, 2 0
3, 4, 5, 6, 7 5
8, 9 10
Ring gear shim
Thickness (mm)
0.25 0.30 0.35
0.40 0.45 0.50
Thrust washer selection
1.Measure/select:
●
Ring gear thrust clearance “C”
*****************************************************
Measurement steps:
●
Place four pieces of Plastigauge
®
between
the originally fitted thrust washer and the ring
gear.
●
Install the ring gear assembly and tighten the
bolts to specification.
NOTE:
Do not turn the drive pinion gear and ring gear
when measuring the clearance with
Plastigauge
®
.
T
R
.
.
M8 bolts (bearing housing):
23 Nm (2.3 m • kg, 17 ft • lb)
M10 bolts (bearing housing):
40 Nm (4.0 m • kg, 29 ft • lb)