BACKLASH
E
MEASURING THE REVERSE GEAR
BACKLASH
1. Measure:
• Reverse gear backlash
Out of specification ➔ Adjust.
Measuring steps:
(1)Set the shift shaft in the forward
position.
A For USA and CANADA
B Except for USA and CANADA
(2)Load the reverse gear by installing the
propeller with the front side facing
backward, and tighten the propeller
nut.
(3)Attach the backlash indicator on the
drive shaft (18 mm in diameter).
(4)Attach the dial gauge on the gear case,
and mark the dial gauge stem contact
the mark on the indicator.
(5)While pulling the drive shaft, slowly
turn the drive shaft clockwise and coun-
terclockwise; then, measure the back-
lash when the drive shaft stops at each
direction.
Backlash:
0.75 - 1.13 mm (0.030 - 0.044 in)
Shift rod wrench:
YB-06052/90890-06052
Propeller nut:
5 N•m (0.5 kgf•m, 3.6 ft•Ib)
Backlash indicator:
YB-06265/90890-06706
Magnetic base attaching plate:
YB-07003
Dial gauge set:
YU-03097/90890-01252
Magnetic base:
YU-34481/90890-06705
6-44
To Next Page
