Suzuki 30-40HP outboard motors Service Manual, Page 5Get this manual
SERVICE MANUAL wall clearance should be 0.0670.082 mm (0.00260.0032 inPiston and rings are available in standard size as well as 0.25 mm (0.010 in and 0.50 mm (0.020 in oversizesCylinders should be bored to an oversize if either of the cylinders is outofround or taper exceeds 0.10 mm (0.004 inInstall pistons on connecting rods so arrow on piston crown points toward exhaust port side of cylinder boreCONNECTING RODSBEARINGS AND CRANKSHAFTConnecting rodsbearings and crankshaft are press together unitCrankshaft should be disallsembled ONLY by experienced service personnel and with suitable service equipmentCaged roller bearings are used at both large and small ends of the connecting rodsDetermine rod bearing wear from side to side as shown in FigSZllI3Normal side to side movement is 5.0 mm (0.20 in or lessMaximum limit of crankshaft runout is 0.05 mm (0.002 in measured at bearing surfaces with crankshaft ends supportedApply Suzuki Super Grease "A" or suitable high temperature grease to lip portion of lower crankshaft seal prior to installation