Chrysler 25 and 30 HP Outboard Motors Service Manual OB 1894, Page 11Get this manual
SECTION IV (Cont 2Apply light coating of valve grinding compound to tapered portion of crankshaft3Install flywheel on crankshaft and rotate flywheel gently back and forth about 14 turn do not spin flywheel completely around crankshaft4Rotate flywheel 90 and repeat above operation5Remove flywheel, wipe compound off crankshaft and flywheelTaper in bore of flywheel should have minimum of 90 surface contact with taper on crankshaft6If above condition is met, then thoroughly clean compound from flywheel, crankshaft and keywaysGInstall flywheel key, flywheel, emergency starter collar and nutTorque nut to 45 foot pounds2-3 Breaker Point
Removing Flywheel
Pry flywheel up while striking flywheel nut with 16 ozhammer as shown in figure 2Bounce hammer off nut to give ringing blowCAUTION
1Pry only in stator gap or
stator rim may break2Never strike nut when not prying upwards or crankshaft may bind in bearings3Do not strike excessi ve forcenut with