Yamaha F50D Servise Manual page 222

LOWR
Measuring the reverse gear backlash
Measurement point 1
Measurement point 2
Measurement point 3
Measurement point 4
Average
Truncated average
(BL2)
Adjusting the forward gear shim thickness (T1)
Measure the thickness of each forward gear shim (T1) in 2 places.
0.10
0.12
0.15
0.18
0.30
0.40
0.50
Total
Adjusting the reverse gear shim thickness (T2)
Measure the thickness of each reverse gear shim (T2) in 2 places.
0.10
0.12
0.15
0.18
0.30
0.40
0.50
Total
8-23
Lower unit
Before disassembly
Number of shim(s)
Number of shim(s)
Measurements
After disassembly
(mm)
Subtotal
(mm)
Subtotal
(mm)