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1990 Warrior 350 carb issue

Ichoptop

By Ichoptop
in Yamaha ATV Forum

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Ichoptop Enthusiast

Ichoptop

Posted
Posted

After my girlfriend rides for an hour or so the carb starts duming fuel out of the bottom and top lid like the float is stuck. Its done it two rides in a row now. I get it home and pull the carb and the float seems to be working fine. Anyone have any idea what I can look at next to try to figure this out? Is there any adjustability in the float level? Is there any way to check the floats functioning to shut the fuel off like on a Holley? We want to do some day rides but if it isnt reliable I dont want my girlfriend following me deep into the back country if it's going to dump fuel onto the trails.

DirtDemon Veteran

DirtDemon

Posted
Posted

I would inspect the float for anything on the float body and the inside of the carb that could be causing it to hang up and also look for holes in the float, if it begins to get a little fuel inside, it wont float like it is supposed to. You may not be able to see any holes or cracks, so it may be a good idea to take the float and submerge it in gasoline for a few hours and see if it ends up with any gas in the float. I would also take a look at the float stopper, make sure the rubber tip is soft and undamaged and make sure the seat area is clean and unubstructed. Another thing I would look for is debris in the fuel or float bowl.

Raptor8 Proficient

Raptor8

Posted
Posted

sounds like it may be passing crud thru to the needle and seat... I'd put a small filter in-line [available at any bike shop] and that might solve your problem. Kinda strange that it would start AFTER it has been ridden awhile, unless the riding is stirring up some debris in the tank... fuel filter will solve that.

If you can, buy some non-ethanol fuel [we have it here at the pumps] it'll make your rubber parts last longer. Ethanol, otherwise known as alcohol, loves to eat up rubber parts! I have 2 ATCs I have to rekit cuz of that ethanol, so only non ethanol fuel from now on... it's like 103 octane and runs $3.79/gal in the tourist trap where I live... :cool:

Ichoptop Enthusiast

Ichoptop

Posted
  • Author
Posted

I messed with it some more and it got worse. I ordered a petcock kit and a carb kit. The petcock doesnt work for crap either. I was told the guy I bought it from rebuilt the carb right before I bought it. maybe not or not right. If I can do 4 barrel holleys Im sure I can do this little single.

Raptor8 Proficient

Raptor8

Posted
Posted

I agree! If you can fix a Holley, you can fix a Ford too LOL

I'd flush that fuel tank and install a fuel filter...

it's gotta be something simple like that- usually is...

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