Yamaha F400A 2022 - Removing the Drive Shaft; Disassembling the Drive Shaft; Disassembling the Reverse Gear; Disassembling the Lower Case

8-55
Drive shaft and lower case (counter rotation model)
Removing the drive shaft
See “Removing the drive shaft” (8-28).
Disassembling the drive shaft
See “Disassembling the drive shaft” (8-28).
Disassembling the reverse gear
1. Remove:
•Circlip
• Roller bearing (outer race) “a”
TIP:
When removing the roller bearing, make sure
that the reverse gear shim “1” is installed to
the reverse gear. Do not reuse the reverse
gear shim.
A
B
2. Remove:
•Dowel
• Circlip
• Roller bearing
See “Disassembling the forward gear”
(8-29).
Disassembling the lower case
See “Disassembling the lower case” (8-29).
Checking the pinion
See “Checking the pinion” (8-30).
Checking the reverse gear
1. Check:
• Teeth and dogs of the reverse gear
Cracked/worn → Replace.
Checking the drive shaft
See “Checking the drive shaft” (8-30).
Checking the lower case
See “Checking the lower case” (8-30).
Assembling the lower case
See “Assembling the lower case” (8-30).
Assembling the reverse gear
1. Install:
• Adapter
• Roller bearing
•Dowel
See step 1 in “Assembling the forward
gear” (8-31).
2. Install:
• Roller bearing (outer race) “a”
• Reverse gear
• Circlip
A. Worldwide
B. USA and Canada
2
1
3
2
a
3
4
5
4
a
5
1
Driver rod L3 “2”
90890-06652
Needle bearing attachment “3”
90890-06609
Driver handle (large) “4”
YB-06071
Driveshaft needle bearing installer
and remover “5”
YB-06196
New
New