Backlash (Counter Rotation Model); Measuring The Forward And Reverse Gear Backlash - Yamaha 200A Service Manual

LOWR

Backlash (counter rotation model)

NOTE:
• Measure the backlash after removing the wa-
ter pump.
• Set the gear shift in neutral position for the
measurement.
• Measure the backrush for both forward and
reverse gears.
Measuring the forward and reverse
gear backlash
1. Set the gear shift in neutral
Shit rod push arm :
90890-06052
2. Secure the propeller shaft by pressing it by
the special tool.
NOTE:
Tighten the center bolt until the drive shaft can-
not be turned any further.
Center bolt 2:
5 N • m (0.5 kgf • m, 4 ft • lb)
6-61
Lower unit
S69j6635
60h60660
Bearing housing puller claw L 1:
90890-6502
Center bolt 2: 90890-06504
Stopper guide plate 3: 90890-6501
3. Install the backlash indicator onto the drive
shaft.
NOTE:
Backlash indicator shall be installed at practi-
cably the closest position to the lower hous-
ing, having 22.4mm of outer diameter.
Backlash indicator 3:
90890-06706
4. Set the dial gauge onto the lower unit, and
fix it where the dial gauge plunger contact
the mark B on the backlash indicator A.
Magnet base plate 5: 90890-07003
Dial gauge set 6: 90890-01252
Magnet base 7: 90890-06705
5. Set the lower unit upside down.
6. Slowly turn the drive shaft clockwise and
counterclockwise, and measure the back-
lash based on the dial gauge readings
taken at the points where the drive shaft
stops in each direction.
NOTE:
While checking, turn the drive shaft lightly with-
out applying too much force.
69j6655
60H5E11