Yamaha F100B F100C Outboards Factory Service Manual, Page 202Get this manual
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Calculation formula: Pinion shim thickness (T3)31.50 mm P100 Example: If "M" is 32.10 mm and "P" is (+5), then T332.10 31.50 (+5)100 mm0.60 0.05 mm0.55 mm If "M" is 32.10 mm and "P" is (5), then T332.10 31.50 (5)100 mm0.600.05 mm0.65 mm 5Select the pinion shim(s) (T3) as followsCalculated numeral at 1100 place 0, 2, 3, 5, 6, 8, Rounded numeral 10 Shimming plate 2: 90890-06701 Digital caliper 3: 90890-06704 2Calculate the forward gear shim thickness (T1) as shown in the examples belowNOTE: Select the shim thickness (T1) by using the specified measurement(s) and the calculation formula Measure the bearing outer race at three points to find height average