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    1998 Yamaha F50 fuel enrichtment system how does it work?

    #6 with the picture of the manual i just a empty page when i click on it. Was hoping to find a free version as pdf to download. im located in Denmark.
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    The voltage is recieved from the lightning coil, should it put out 12 volt the moment the engine is started? Because it is charging the battery fine? the problem is, i haven’t been able to find a service manuel for this engine yet…. I can only find the manuel for the model newer, with the...
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    It’s getting 6-7 volt DC in idle. I unpluged the thermal heater, and measured direct on the cables leading to the thermal heater with a voltmeter, while the engine is idling.
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    Just measured again today, it’s only getting 6-7 volts, should it be getting 12 v all the time? and how must resistance should there be over the thermal heater in proberly working condition?
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    Yes there is, measured yesterday
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    How long will it take the thermal heater do move the plunger? the choke solenoid works fine, when starting. but after 5 mins the plunger have not moved at all
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    I got the mail. I was just trying to write how i think it works, after reading your pdf. just to see if you will agree og disagree
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    2000 Yamaha F50 high rpm in idle.

    Maybe the thermal switch which is connected to the choke solenoid, will disable the solenoid function in case the engine is already warm/hot at startup?
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    Or am i wrong?
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    If the prime starter assy doesn’t work i could be running way to high idle when the engine is hot, as it won’t extend and open the choke plates?
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    2000 Yamaha F50 high rpm in idle.

    So after having a look on the linkage, it’s not hanging up. And after some search trying to find out how the fuel enrichment system works, i think it maybe could be the prime starter assy? so as i understand the choke solenoid is only active during startup, as the starter is engaged. What the...
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    Also the trouble im having, is when in neutral the engine is slowly increasing the rpm by itself. Im thinking the fuel emrichment system to do this somehow ?
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    Have had trouble finding a service manuel for this engine. For some reason it’s only the updated version without the choke solenoid from start 00’s
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    Hello thank you. MOD EDIT - Email address removed for your safety. PM bosce99. picture of the parts on my engine
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    1998 Yamaha F50 fuel enrichtment system how does it work?

    Hello forum. as the title says.. I have a 1998 Yamaha F50 with a primestart and a choke solenoid function. What and how does this system work? Can anyone explain this to detail?
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    2000 Yamaha F50 high rpm in idle.

    I will have a look when it’s possible, and i will be back for further assistance if i need it 😉
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    2000 Yamaha F50 high rpm in idle.

    What pos number is the linkage for timing advance? I’ve read on some other threads that a faulty choke solenoid could cause this issue aswell, or am i wrong?
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    2000 Yamaha F50 High rpm when in neutral.

    Hello guys. I have a 2000 Yamaha F50 outboard. When i start the engine cold no problems appear, i will then sail getting the engine to mid range/high rpm without issues, sailing like it should be. But when i put it out of gear back to neutral, the rpm will slowly increase by itself. I can then...
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    2000 Yamaha F50 high rpm in idle.

    Hello guys. I have a 2000 Yamaha F50 outboard. When i start the engine cold no problems appear, i will then sail getting the engine to mid range/high rpm without issues, sailing like it should be. But when i put it out of gear back to neutral, the rpm will slowly increase by itself. I can...
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