Suzuki 8-25HP outboard motors Service Manual, Page 29Get this manual
SERVICE MANUAL PISTONS, PINS, RINGS AND CYLINDERSEach piston is fitted with two piston ringsPiston ring end gap should be 0.20.4 mm (0.0080.016 in with maximum allowable ring end gap of 0.8 mm (0.031 inPiston rings are retained in position by locating pinsInstall marked side of piston ring toward top of pistonPiston-to-cylinder clearance should be 0.067-0.082 mm (0.00260.0032 in on models prior to 1987 and 0.087-0.102 mm (0.0034-0.0040 in on 1987 and later modelsPistons 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 next oversize if either cylinder is outof-round or tapered in excess of 0.10 mm (0.004 inStandard piston pin diameter is 17.995-18.000 mm (0.7085-0.7087 inInstall pistons on connecting rods so arrow on piston crown faces exhaust port side of cylinderCONNECTING RODS, BEARINGS AND CRANKSHAFTConnecting rods, bearings and crankshaft are press to-