2009-2010 Suzuki DF70A DF80A DF90A Outboard Service Manual, Page 167Get this manual
Power Unit Mechanical:
Selection of Conrod Bearing
Z9J0111406029
If bearing is in malfunction, or bearing clearance is not in specification, select new standard bearing according to the following procedure When replacing crankshaft, conrod and its bearing due to any reason, select new standard bearing to be installed by referring to numbers stamped on conrod and its cap and alphabets stamped on crank web No.11) Check stamped numbers on conrod and its cap as shownThree kinds of number ("1", "2" or "3") represent the conrod big end inside diameter.For example, stamped number "1" indicates that corresponding its big end inside diameter is 45.000 45.006 mm (1.7717 1.7719 inConrod big end inside diameter Stamped NoConrod big end inside diameter 45.0000 45.0060 mm (1.7717 1.7719 in 45.0061 45.0120 mm (1.7719 1.7721 in 45.0121 45.0180 mm (1.7721 1.7723 in
2) Next, check crankshaft pin outside diameterOn crank web No.1, four alphabets are stamped as shown in the figureThree kinds of alphabet ("A", "B" or "C") represent the crankshaft pin diameter respectivelyFor example, stamped "A" indicates that corresponding crankshaft pin diameter is 41.994 42.000 mm (1.6533 1.6535 inCrankshaft pin outside diameter Stamped Crank pin diameter alphabet 41.9940 42.0000 mm (1.6533 1.6535 in 41.9880 41.9939 mm (1.6531 1.6533 in 41.9820 41.9879 mm (1.6528 1.6531 in