4 Fixes For Yamaha Outboard Electric Choke Not Working Funcfish Fix defective solenoid. along with the two issues mentioned above, a defective solenoid can also lead to issues with your electric choke motor. so, you should grab a multimeter to check the integrity of the solenoid. all you have to do is connect the terminals of the solenoid with the multimeter and check for continuity. Jul 30, 2009. #2. re: electric choke not working. check out your choke solenoid. first make sure your getting 12 volts at the solenoid when the choke is activated at the key. if no voltage or low voltage find out why. if good voltage then disconnect the solenoid and check it with an ohm meter to make sure there is no break in the windings.
4 Fixes For Yamaha Outboard Electric Choke Not Working Funcfish Put your volt meter on the blue wire to the solenoid. measure voltage when the key is pressed in. i suspect you have a voltage drop issue. you need to be able to see virtually battery voltage on the blue wire when the key is pressed in to choke. also inspect the other wire for good connectivity to ground. Reason 1: cold start problem. an engine requires a specific amount of heat to function correctly. when the temperature is low, the motor gets cold. this causes the electric choke to be dysfunctional. this can also happen if the engine is unused for several days. but once the engine is hot, it works just fine. 1.1 common symptoms of outboard issues. 1.2 safety precautions before troubleshooting. 2 fuel system quick checks. 2.1 inspecting fuel lines and connections. 2.2 fuel filter issues and solutions. 3 spark plug examination. 3.1 removing and inspecting spark plugs. 3.2 signs of spark plug failure. I had a hard starting 9.9 but not anymore, i got tired of the electric choke working crappy. i'am a machinest and machined up a manual choke and fitted it to the air horn. i tested and what a difference that made with the first turn of the key she fired right off. i going to start making these for retrofit on the 9.9's that have electric choke.
4 Fixes For Yamaha Outboard Electric Choke Not Working Funcfish 1.1 common symptoms of outboard issues. 1.2 safety precautions before troubleshooting. 2 fuel system quick checks. 2.1 inspecting fuel lines and connections. 2.2 fuel filter issues and solutions. 3 spark plug examination. 3.1 removing and inspecting spark plugs. 3.2 signs of spark plug failure. I had a hard starting 9.9 but not anymore, i got tired of the electric choke working crappy. i'am a machinest and machined up a manual choke and fitted it to the air horn. i tested and what a difference that made with the first turn of the key she fired right off. i going to start making these for retrofit on the 9.9's that have electric choke. There is no way the choke should open up all the way immediately. the choke butterfly should be just closed at room temp with the engine cold. when the engine starts it should open about 1 8 to 3 16 of an inch only. then as the engine warms up it should gradually open all the way within just a few minutes. Try vinegar flush. in a situation where the yamaha outboard is running into clogging issues with the cooling system, your best bet is the diluted vinegar solution. the excessive rust build up in the pathway can lead to this issue. so, if you’ve not serviced the unit in a long time, there is a good chance you’re in a similar situation.
4 Fixes For Yamaha Outboard Electric Choke Not Working Funcfish There is no way the choke should open up all the way immediately. the choke butterfly should be just closed at room temp with the engine cold. when the engine starts it should open about 1 8 to 3 16 of an inch only. then as the engine warms up it should gradually open all the way within just a few minutes. Try vinegar flush. in a situation where the yamaha outboard is running into clogging issues with the cooling system, your best bet is the diluted vinegar solution. the excessive rust build up in the pathway can lead to this issue. so, if you’ve not serviced the unit in a long time, there is a good chance you’re in a similar situation.
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