Yamaha F150B Service Manual page 346

LOWR
Measuring the reverse gear backlash
Measurement point a
Measurement point b
Measurement point c
Measurement point d
Average
Truncated average
(BL1)
Adjusting the forward gear shim thickness (T2)
Measure the thickness of each forward gear shim (T2) in 2 places.
0.10
0.12
0.15
0.18
0.30
0.40
0.50
Total
Adjusting the reverse gear shim thickness (T1)
Measure the thickness of each reverse gear shim (T1) in 2 places.
0.10
0.12
0.15
0.18
0.30
0.40
0.50
Total
8-67
Lower unit
Before disassembly
Number of shim(s)
Number of shim(s)
Measurements
After disassembly
(mm)
Subtotal
(mm)
Subtotal
(mm)