Yamaha F200B, Service Manual

Page: 451 / 579

8-88
8
Removing the drive shaft
1. Remove the pinion nut. See step 1 in
“Removing the drive shaft” (8-25).
2. Remove the oil seal housing, pinion
shims, thrust bearing, drive shaft, pinion,
thrust bearing, spring, and washer.
3. Remove the reverse gear assembly and
thrust bearing.
Disassembling the oil seal housing
1. Disassemble the oil seal housing. See
“Disassembling the oil seal housing” (8-
25).
Disassembling the reverse gear
1. Disassemble the reverse gear. See “Dis-
assembling the reverse gear” (8-82).
Disassembling the lower case
1. Remove the needle bearing. See step 1
in “Disassembling the lower case” (8-25).
TIP:
Before removing the needle bearing, make
sure to remove the reverse gear.
2. Remove the retainer, reverse gear
shims, and needle bearing. See steps 2
and 3 in “Disassembling the lower case”
(8-82).
Checking the pinion and reverse
gear
1. Check the pinion and reverse gear. See
“Checking the pinion and reverse gear”
(8-83).
Checking the drive shaft
1. Check the drive shaft. See “Checking the
drive shaft” (8-26).
Checking the lower case
1. Check the lower case. See “Checking the
lower case” (8-26).
Assembling the lower case
1. Install a new needle bearing, the original
reverse gear shim, and retainer. See
steps 1–4 in “Assembling the lower case”
(8-83).
2. Install a new needle bearing. See step 4
in “Assembling the lower case” (8-26).
Assembling the reverse gear
1. Assemble the reverse gear. See “Assem-
bling the reverse gear” (8-84).
Assembling the oil seal housing
1. Assemble the oil seal housing. See
“Assembling the oil seal housing” (8-27).
Installing the drive shaft
1. Install the thrust bearing and reverse
gear assembly into the lower case.
2. Install the drive shaft and pinion nut tem-
porarily. See steps 2 and 3 in “Installing
the drive shaft” (8-35).
3. Install the oil seal housing, and then
tighten the pinion nut to the specified
torque. See steps 4 and 5 in “Installing
the drive shaft” (8-28).
Installing the propeller shaft housing
assembly
1. Install new O-rings and set the shift rod
joint and dog clutch to the N position.
See steps 1 and 2 in “Installing the pro-
peller shaft housing assembly” (8-84).
2. Install the propeller shaft housing assem-
bly, cover, water inlet covers, and water
pipe. See steps 4–7 in “Installing the pro-
peller shaft housing assembly” (8-35).
Installing the shift rod
1. Install the shift rod. See “Installing the
shift rod” (8-84).
Installing the water pump
1. Install the water pump. See steps 1–3
and 5 in “Installing the water pump” (8-
30).
Drive shaft and lower case (FL250G)