Yamaha 115-225 HP Outboards Service Manual, Page 143Get this manual
ILOWR I'-1
CLEANING AND INSPECTION
1 56015-0'
DRIVESHAFT 1) Visually inspect the shaft, looking for grooved wear on the surface in contact with the bearings and oil-seals, and looking for wear on the splinesReplace if worn or damaged
C( -"IDJ c====]br-I
2) Check the drive shaft for deflection to the specification by using V-blocks and dial gaugeAllowable drive shaft deflection: 0.50 mm (0.02 in)
156025-0'
L130, L150, L200