1989 Johnson Evinrude "CE" 9.9 thru 30 Service Manual, P/N 507754, Page 50Get this manual
Trouble Check Chart (Cont TROUBLE 3LOSS OF POWER (Providing Ignition OK) (Cont) POSS BLE CAUSE
EOVERHEATING POWERHEADSee Sect ion 4
Thermostats damaged Thermo cover or gaskets damaged Pressure con rol va ve damaged Exha ust cover gaskets eaking Head gaskets Ieaking (warped head) (water in cyl inders) Wate intakes obstructed Pump ho using air bleed restricted Water passages obstructed Pump plate not sealing (bottom) Pump mpell er damaged Motor too high on transom Pump housing distorted (overheating) Pump housing cover sea worn (d riveshaft groov d) Water tube grommet damaged FGEA RCASESee Secti Prope ll er hub slipping Bent or worn propel Ier Bent gear housing or exhaust housing Incorrect prope II er ASPARK PL UGSSee Section Cover or inner termi nal damaged (terminal point out of H.Tlead) Faulty leads or crossed leads Loose spark pi ugs (low torque) Defective spark plugs (cracked insu lator) Incorrect spark pi ugs BIGN ITI ONSee Sectio Incorrect timing 'Loo se wiring Coi ls da aged Arcing around ignitio co ilsLoose co nnectio ns to charge coi l, ignition co ils, or ignition module gro und lead 'Leads gro unding out on charge coi l, ignition coilsor key switch 'Sensor coi ls Ig nition modu le 'Arcing in key switch