Yamaha F400A 2022 - Checking the Dog Clutch; Checking the Propeller Shaft Housing; Checking the Forward Gear; Assembling the Propeller Shaft Housing and Forward Gear

8-51
Propeller shaft housing (counter rotation model)
Checking the dog clutch
See “Checking the dog clutch” (8-21).
Checking the propeller shaft housing
See “Checking the propeller shaft housing”
(8-21).
Checking the forward gear
1. Check:
• Teeth and dogs of the forward gear
Cracked/worn → Replace.
Assembling the propeller shaft
housing and forward gear
1. Install:
• Roller bearing (inner race) “a”
•Washer
•Circlip
TIP:
Face the bearing identification mark “b” on the
roller bearing inner race “a” up.
2. Install:
• Needle bearing
•Circlip
•Oil seals
See steps 2 and 3 in “Assembling the pro-
peller shaft housing assembly” (8-23).
3. Install:
• Propeller shaft shims “1”
• Thrust bearing “2”
TIP:
Position the thickest propeller shaft shim to-
ward the propeller shaft housing.
4. Install:
• Propeller shaft
• Tapered roller bearing
a. Install the propeller shaft “1” and ta-
pered roller bearing inner race “a”.
b. Install the tapered roller bearing outer
race “a” using the special service tools.
Runout
0.02 mm (0.0008 in) (FL400AS-
TU, FL400ASTX, FL450AVTU,
FL450AVTX)
Bearing inner race attachment “1”
90890-06644
Bearing inner race attachment “1”
YB-06644
New
a
1
b
GG
New
New
New
2
1
GG
1
a
GG
2
1
a
a
1
2
GG