Yamaha F50A - Backlash (F50;F50 A); Measuring the Forward and Reverse Gear Backlash

LOWR
Lower unit
6-39
62Y3A11
Backlash (F50/F50A)
6
Measuring the forward and reverse
gear backlash
1. Remove the water pump assembly.
2. Set the gearshift to the neutral position.
È
For USA and Canada
É
For worldwide
3. Install the special service tool so that it
pushes against the propeller shaft.
È
For USA and Canada
É
For worldwide
NOTE:
Tighten the universal puller or center bolt
while turning the drive shaft until the drive
shaft can no longer be turned.
4. Install the backlash indicator onto the
drive shaft (18 mm [0.71 in] in diameter),
then the dial gauge onto the lower unit.
NOTE:
Install the dial gauge so that the plunger
a
contacts the mark
b
on the backlash indica-
tor.
Shift rod push arm: YB-06052
Shift rod push arm: 90890-06052
Bearing housing puller
1
: YB-06234
Universal puller
2
: YB-06117
Bearing housing puller claw
3
:
90890-06564
Stopper guide plate
4
: 90890-06501
Center bolt
5
: 90890-06504
Backlash indicator gauge
6
: YB-06265
Backlash indicator
6
: 90890-06706
Magnetic plate
7
: YB-07003
Magnet base plate
7
: 90890-07003
Dial gauge
8
: YU-03097
Dial gauge set
8
: 90890-01252
Magnet flexible stand
9
: YU-34481
Magnet base
9
: 90890-06705