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I have a 96 Yamaha bravo that seems to be over fueling not allowing it to fire. The carb has been completely torn down and cleaned but still will not fire

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Check the float level in the carb bowl sounds like the floats are not shutting gas flow off soon enough the is a you tube video on setting the float shut off level paralell to carb body

Posted on Dec 02, 2014

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Yzf 600 cylinders 2 3 not firing

carbs need to be torn down and cleaned or jets ajusted--ur hand acts like a choke drawing more gas

Feb 13, 2014 | Yamaha YZF 600 R thunder cat Motorcycles

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I have a yamaha 650 maxim, It seems to not be getting gas? it starts up then dies. i cleaned the carbs. would rebuilding the petcock and synchronizing the carbs fix it it?

Cleaning the fuel tap and any filter on it would be a positive step. Also check the fuel hose that it is clear and that the float needles and seats are opening and allowing gas into the float chamber.

May 06, 2011 | Yamaha XJ 650 Motorcycles

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Engine will not start.Was running great one day ,Next day just would not start Checked for spark...seems ok.Checked for fuel ,seems okay Not sure about fuel pump.Put the fuel into a jar and fuel comes...

try a little starting fluid in a carb see if fires if the bike fires up then dies then start checking for fuel line from tank to carb for flowing if it gets down to the carbs and not flowing (not sure if your bike includes a auto fuel shut off or not) but the problem could reside in this location otherwise there could be water in the fuel bowls in which case you drain the cups hope this helps to trace down your problem

Mar 27, 2010 | 1993 Yamaha TDM 850

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Rebuilt all four carbs cleaned and replace needle and seat.Bike runs on choke at idle but will not excelerate,dies when you turn the throttle. feather the throttle past 3000 rpm and it will respond but...

the ajustment need to be set where they were originaly, needle position and mixture screw. the carbs are not suppling enofe fuel, was there any torn seals or diaphrams.

Mar 15, 2010 | 1985 Yamaha FJ 1100

1 Answer

The moment the bike stands feul runs into the cranck case and then the fun starts... if it starts up, fuel sprays out the exhausts like a fire hose... is it because my fuel lines are in the wrong position...

The floats in the carbs are sticking open allowing the carb to overflow and fill the crank. Disassemble the carbs for cleaning. Also, turn off the gas tank valve when parked.

Dec 06, 2009 | 1989 Yamaha TZR 250

1 Answer

Miss fire on number 1 cyl ,spark from plug ,cleaned carb cyls 3-4 hot 2 nearly as hot 1 luke warm

I would have to say that I think it's not miss fireing.
It could be the coil for those 2 cyclinders. It could be in the carbs. When you cleaned the carbs did you remove them from the engine and dismantel them completly? Clean every parts and blow out all the air and fuel ports. Did you seperate the carbs from each other? If you did the carbs will need to be synced again. Good Luck.

Oct 16, 2009 | 1994 Yamaha FZR 600

1 Answer

FJ1100 is running a little bit rough and fuel is leaking out of #2 carb fuel over flow hose

It looks as if you'll need to rebuild your carbs. As for No. 2 cylinder it would appear the float is stuck down not shutting off the fuel supply. This may be a mechanical issue with the carb or simply some build up not allowing the valve to shut off completely. I'd pick-up a rebuild kit, remove the carbs, tear them down and clean them up.
I hope this may have helped
PS: Great bike!

Oct 02, 2009 | 1985 Yamaha FJ 1100

1 Answer

Have a 96 thunderace no fuel getting to no1 carb cleaned carb ran sweet then started to miss fire again no1 carb not getting fuel again checked fuel pump/filter/tank all free of dirt can u help

float needs adjusting by stripping down again and take the pin out that holds the float in place then it will come off withe the inlet fuel valve still connected all you have to do is bend the tab down a tad just a little bit so it allows more fuel in the bottom then reinstall back together get back to me if no difference 3f7ac68.jpg

Sep 20, 2009 | 1996 Yamaha YZF Thunder ace 1000 R

1 Answer

Bike won't start 92 yamaha fzr 600

Sounds like the plugs are fouled out, I would pull them and make sure they're about the color of a paper bag. If they're all sooty and wet you most likely have a rich condition. I would take the carbs out and clean everything and pop in a new set of plugs. I have a 87 Fz600 that was acting up until I cleaned the carbs.

Apr 20, 2009 | 1994 Yamaha FZR 600

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