Yamaha 13.5A Owner's Manual

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5-1GBEMU01204¯TROUBLESHOOTINGA problem in the fuel, compression, or ignition systems can cause poor starting, loss ofpower, or other problems. The troubleshooting chart describes basic checks and possi-ble remedies. (This chart covers all Yamaha outboard motors. Therefore, some itemsmay not apply to your model.)If your outboard motor requires repair, bring it to a Yamaha dealer.A. Starter will notoperate.Trouble Possible Cause Remedy1. Battery capacity weak or low.2. Battery connections loose orcorroded.3. Fuse for electric start circuit blown.4. Starter components faulty.5. Engine stop switch lanyard notattached.6. Shift lever in gear.1. Check battery condition. Usebattery of recommended capacity.2. Tighten battery cables and cleanbattery terminals.3. Check for cause of electricoverload and repair. Replace fusewith one of correct amperage.4. Have serviced by a Yamahadealer.5. Attach lanyard.6. Shift to neutral.B. Engine will notstart (Starteroperates).1. Fuel tank empty.2. Fuel contaminated or stale.3. Fuel filter clogged.4. Starting procedure incorrect.5. Fuel pump malfunctions.6. Spark plug(s) fouled or incorrecttype.7. Spark plug cap(s) fitted incorrectly.8. Poor connections or damagedignition wiring.9. Ignition parts faulty.10. Engine stop switch lanyard notattached.11. Shift lever in gear.12. Engine inner parts damaged.1. Fill tank with clean, fresh fuel.2. Fill tank with clean, fresh fuel.3. Clean or replace filter.4. Read "STARTING ENGINE"section.5. Have serviced by a Yamahadealer.6. Inspect spark plug(s). Clean orreplace with recommended type.7. Check and re-fit cap(s).8. Check wires for wear or breaks.Tighten all loose connections.Replace worn or broken wires.9. Have serviced by a Yamahadealer.10. Attach lanyard.11. Shift to neutral.12. Have serviced by a Yamahadealer.