Yamaha F30B 2018 Service Manual page 246

Forward gear shim (T1) thickness measurement in 2 places
(mm)
0.10
0.12
0.15
0.18
0.30
0.40
0.50
Total
Reverse gear shim (T2) thickness measurement in 2 places
(mm)
0.10
0.12
0.15
0.18
0.30
0.40
0.50
Total
Number of shim(s)
Number of shim(s)
8-26
Shimming
Subtotal
Subtotal