Yamaha F100B F100C Outboards Factory Service Manual, Page 136Get this manual
Power unit
3Put piece of Plastigauge (PG-1) onto the crank pin, parallel to the crankshaft
2Measure the crankshaft runoutReplace the crankshaft if out of specification
S60C5900
Crank stand alignment: 90890-03107 Crankshaft runout limit: 0.03 mm (0.0012 in)
NOTE: Be sure not to put the Plastigauge (PG-1) over the oil hole in the crank pin of the crankshaft4Install the connecting rod to the crank pin 3
Checking the crankshaft pin oil clearance