Adjusting The Forward Gear Shim Thickness (T1) - Yamaha F150B Service Manual

LOWR
Pinion nut: 94 N·m (9.4 kgf·m, 69.3 ft·lb)
8. Check that the drive shaft rotates
smoothly. If the drive shaft does not
rotate smoothly, reduce the shim(s) (T1)
thickness by 0.1 mm, and then check that
the rotation of the shaft again.
9. Install the original shim(s) (T2) g in the
lower case.
TIP:
• If the original shim(s) (T2) are missing,
install new shim(s) (T2) with a combined
thickness of 0.62 mm.
• Do not reuse a shim if it is any deformed or
scratched.
10. Install the propeller
assembly h and key i.
TIP:
When assembling the lower unit to measure
the backlash, do not install the dog clutch and
O-ring.
11. Install the claw washer. Check that the
position b is set in place properly.
8-39
Lower unit
g
shaft housing
h
i
b
12. Install the ring nut, and then tighten the
ring nut to the specified torque.
j
k
Ring nut wrench extension j:
90890-06513
Ring nut wrench 4 k: 90890-06512
Ring nut:
143 N·m (14.3 kgf·m, 105.5 ft·lb)
13. Check that the drive shaft rotates
smoothly. If the drive shaft does not
rotate smoothly, the shim(s) may be
installed incorrectly or there may be
foreign material on the shim(s).
14. Measure the forward gear backlash. See
"Measuring the forward and reverse gear
backlash before disassembly" (8-28).
Forward gear backlash:
0.15–0.68 mm (0.0059–0.0268 in)
Adjusting the forward gear shim
thickness (T1)
1. Remove the taper roller bearing outer
race. See "Disassembling the lower
case" (8-16).