Troubleshooting; Engine Will Not Start; Method Of Detecting Spark; Engine Overheats - Honda Outboard Motor BF15A Owner's Manual

IO. TROUBLESHOOTPNG
Engine' Will Not Start:
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1. Is the shift lever in neutral?
2. Is there fuel in the fuel tank?
3. Is the fuel cap knob turned to ON?
4. Is the fuel system primed by squeezing the primer bulb?
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5. Is fuel reaching the carburetor?
Loosen the carburetor drain screw to see if there is fuel in the carburetor
float bowl.
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If any fuel is spilled, make sure the area is dry before testing the
spark plug or starting the engine. Spilled fuel or fuel vapor may ignite.
6. Are the spark plugs firing?
Method of detecting spark
(1) Remove the spark plugs from the engine, then install each plug in the
plug cap and hold the threaded portion against the engine to ground it.
(2) Recoil starter type
Put the gear lever
in the "NEUTRAL" position, pull the starter grip
hard; and check to see whether or not a spark appears across the gap
of the spark plug.
Starter motor type
Put the gear lever in the "NEUTRAL" position, rotate the starter motor,
and check to see whether or not a spark appears across the gap of the
spark plug.
If the spark plugs are OK, reinstall them, and try to start the engine.
If a spark does not appear, either replace the spark plug or contact your
authorized Honda outboard motor dealer.
Engine Overheats:
1. Is the water intake screen clogged?
2. Is the thermostat faulty?