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86 fazer fuel pump dumping too much gas into carb ,shoots out and motor locks up

86 yamaha 700 fazer. Sat for a bit has only had one owner. this is not my first motorcycle and I do know how to work on them. Gas shoots out of carb about 1 foot and locks the motor up(kind of like vapor lock.). i have tried everything i can think of spark plugs changed, lines cleaned out, cleaned jets out and such. what else should i try

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  • Yamaha Master
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Replace the carbs inlet needles and seats

Posted on May 12, 2017

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Posted on Jan 02, 2017

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1 Answer

1996 Yamaha XV 535 Virago DX not getting gas to carburetor


Hi, Anonymous always check the fuel flow first to isolate the problem area otherwise the usual suspects are:
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Flooding carb for 86 yamaha fazer 700. If it doesn't have a float what needs cleaned and fixed in carb


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I have fuel shooting out of the carburettor overflow pipes, I have taken off the carbs there is no dirt or obvious problem


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Fazer owners club


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I have a 1986 Yamaha MaximX 700, i have cleaned the carbs with carb cleaner and seafoam, but when i start it, the only way to keep it running is having the choke all the way on and twisting the throttle...


Hi, Caseytkerns and the usual suspects are:
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2. Fuel filter clogged.
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4 Answers

Carb puking gas


I had this same problem. What I discovered was the float needs adjusted on the carb. I set mine lower inthe bowl and it stopped the leaking. Reason for this happening is on hot days the fuel in the bowl will boil. This boiling action dumps in more fuel and the carb spits it out the air breather.

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