Chrysler 75 and 85 HP Outboards Service Manual OB 3646, Page 101Get this manual
PENCIL LINES 120 APART,
TOP END (TOP VIEW)
DIf 80 or more of lines are gone and no rocking is notedclean tapers and re-install flywheel; but if less than 80 of lines are taken offrepeat above steps to recheck wearEIf three (3) lappings can not correct taper, replace flywheeland if new flywheel does not lap inreplace crankshaft5Clean all compound from flywheelcrankshaft and key waysInstallation Check crankshaft and flywheel tapers for traces of oilThey must be perfectly drySwab tap ered surfaces with solvent and blow dry with compressed air
Figure 8Marking CrankshaftBMount flywheel on crankshaft and turn flywheel one full turn while pushing down lightlyCRemove flywheel and check percentag of lin es rubbed off Figure 9
WARNING
when working with