Bombardier SeaDoo 1989 factory shop manual, Page 91Get this manual
Section 07 ELECTRICAL Sub-section 03 (IELECTRIC STARTER)
STARTING SYSTEM TROUBLESHOOTING TABLE-
Starter does not turniurnt fuse 'oor contact of starter switch :ontact points)pen circuitbetween starter switch ind solenoid switchStarter turnsbut does crank the engine3urnt or poor contact of solenoid switch contact discor contact of brush 3urn1tcommutator;ommutator mica too highaborted armatureAleak brush spring tension &k la magnet
:heck wiring condition and replace userepair or replace switch
replace solenoid switchStraighten commutator and brush Turn commutator in latheJndercut micaRepair or replace armatureReplace springReplace yoke assemblyReplace bushingsRecharge batteryReplace batteryClean and tighten terminalfs) Clean and tighten