Question about Yamaha Motorcycles
Carb cleaner fuel additive can be used but only after you have stopped the carb flooding. Gently tapping the carb might do the trick otherwise it will have to be a strip-down.
Carb cleaner is good for removing varnish and other fuel residue but it won't remove insoluble dirt or compensate for wear - carb flooding might be caused by a sticking float valve but most likely it is either wear or dirt.
Posted on Jul 28, 2020
I have been working on my carb today,the pipe from the bottom of the carb should just run down by the bottom of the swinging arm,there should be another pipe from the pipe on the left side of the carb just above the fuel intake which also runs down to the swinging arm and connect to nothing.
Posted on May 30, 2009
yes, the breather line hooks to the petcock on the line facing the back, the fuel line hooks to the larger one. the line from the breather is actually a vacume line that turns on the fuel, without it you will not get fuel out of the petcock unless it is in the prime position.
Posted on Jul 04, 2009
SOURCE: 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.
Posted on Sep 23, 2009
Yes Rick, try a couple of tricks I know.First,open the carburettor drain screw located at the base of the carburettor,this lets fuel flow out of the carburettor drain located next to/under it.(To acces this drain screw look between the engine cylinders from the LEFT of the bike)While the fuel is draining out,tap the fuel bowl.Next re-tighten the carby drain screw and see how that goes.I would suspect your bike has a vacumatic fuel tap that has 3 positions on it.1 marked on, 1 marked res, 1 marked pri.If the fuel leaks occur when in the on or res position this means part of your problem is a leaking diaphram in the fuel tap.Replace this & when engine isn't running,no fuel can flow to the carby when it's in the on or reserve positions.After ensuring the tap is ok, and trying the first trick,if it still leaks,well then you'll have to pull off the carby and give the needle and seat a clean.
Hope this healps Regards Andy Porrelli
Posted on Nov 23, 2009
roadstar seats remove from the key switch, turn left "without" pushing down on the lock cylinder, and you will hear the seat release from the front of the drivers pad.
Posted on Jan 09, 2010
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