Chrysler 20 and 30 HP Outboard Motors Service Manual OB 3435, Page 105Get this manual
STARTER MOTOR TROUBLESHOOTING CHART
If your test results shows:
1Low cranking speed and higher than normal current draw
The probable cause could be:
A Loose pole shoes
BGrounded armature CShorted armature DShorted field
2Very high current draw and no armature rotation
ADirect ground at ignition switch
BDirect ground at starter brushes CDirect ground on field connections
3No current draw and starter fails to operateIgnition switch
BBroken or loose wire connections CI nterlock switch (defective) DRemote controls improperly adjusted