Johnson Evinrude Outboard Motors 1956-1970 1.5-40hp repair manual., Page 73Get this manual
CYLINDER
Crankshaft with the upper, lower, and center main bearings installedNotice the hole in each bearingMatching pins in the cylinder block must index into these holes during crankshaft installation
CRANKSHAFT INSTALLATION LARGE HORSEPOWER ENGINES 15 HP TO 40 HP The following procedures outline steps to install crankshaft with needle upper, center, and lower main bearingsThe upper and lower mains are complete bearings and cannot be disassembledThe center bearing is cagedInstallation procedures for small horsepower crankshafts with babbitt upper, lower, and center main bearings and with babbitt rod bearings are given in the following sectionsObserve the pin installed in each main bearing recessNotice the hole in each main bearing outer shellDuring installation, the hole in each bearing shell MUST index over the pin in the cylinder blockHold the crankshaft over the cylinder block wi th the upper end to your LEFTNow, lower the crankshaft into the block, and at the same time, align the hole in each bearing to enable the pin in the block to