Checking The Propeller Shaft; Checking The Dog Clutch; Checking The Propeller Shaft Housing; Checking The Reverse Gear - Yamaha F30B 2018 Service Manual

Checking the propeller shaft

1. Check:
• Propeller shaft
Damaged/worn  Replace.
2. Measure:
• Propeller shaft runout
Above specification  Replace.
Propeller shaft
Runout
0.02 mm (0.0008 in)

Checking the dog clutch

1. Check:
• Dog clutch
• Shift plunger
• Slider
• Cross pin
• Spring

Checking the propeller shaft housing

1. Check:
• Propeller shaft housing
Cracked/damaged  Replace.

Checking the reverse gear

1. Check:
• Teeth and dogs of the reverse gear
Cracked/worn  Replace.
Assembling the propeller shaft as-
sembly
1. Install:
• Dog clutch "1"
• Propeller shaft "2"
• Spring (in the slider) "3"
• Slider "4"
TIP:
• Install the dog clutch "1" onto the propeller
shaft "2" with the "F" mark "a" facing toward
the forward gear.
• Align the hole "b" in the dog clutch "1" with the
hole "c" in the propeller shaft "2".
a
2. Install:
• Cross pin "1"
• Spring (in the dog clutch) "2"
TIP:
When installing the cross pin, align the hole in
the dog clutch with the hole "a" in the slider.
2
1
8-8
Propeller shaft housing
c
b
1
3
4
a
2