Question about 2005 Yamaha V Star Classic

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Sputters past 1/4 idle no power

Bike sat up for about a month and now it dont seem to be getting fuel past 1/4 idle

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  • carrless May 11, 2010

    Carburated or EFI ?

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Put the bike on level ground, support on stands, switch off petrol and drain the carbs. Close the carbs and using the pipe from the tank (disconected) to the carbs fill with a quality carb cleaner and leave overnight. Drain the carbs, connect everything back up and start up. Try and get into the habit of switching off the petrol before you stop the engine, just to partially drain the carbs, esp'ly if you intend to leave for any period of time.

Posted on Dec 18, 2008

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1 Answer

Bike stalls at idle and under load when hot or cold?


Hi Todd, sure sounds like a fuel problem, since i dont if you have carb or fuel injection lets start with your carb. remove the float bowl and see if there is water in the bottom. if so remove fuel tank drain it completely clean the filter then air blow it dry also mahe sure the line from petcock to carb is not pinched or bent to restrict flow then check your vacuum line to the petcock is attached at both ends and is not cracked max vacuum is necessary to pull the diaphram in the petcock to allow fuel to flow, disasemble petcock and check rubber diaphram for cracks or pinholes. reasemble petcock and check with vacuum gauge to make sure its holding vacuum. put 1 gallon of uncontaminated fuel back in tank and take it for a ride.
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I have a 2004 kx250f. The first ride of the year I noticed my bike bogged in the air and a little when I landed. When I get on the gas hard I dont feel it. Whats going on?


If the bike sat up for the winter, it's a real possibility the carb jets and fuel passages are gummed up. If this is the case, I recommend 1/4 to 1/2 can of SeaFoam added to your fuel. Lock down the front brake and rock the bike back and forth to mix the additive with the gas. Crank the bike and run at high idle for a few minutes, and since it is rideable, ride like you normally do and see if it gets more responsive after an hour or so.

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Bike starts well, 2006 but only has 1000 miles on it. sat in storage during move (7 months). drained gas and disconnected battery. idles fine but when you give the the gas to go or give it gas period it...


If the bike ran fine prior to putting it in storage and all you did was drain the fuel and disconnect the battery, its likely moisture ( condensation) developed in the carbs while it sat. this type of thing happens when fuel is drained. Your best bet is to remove the carbs and clean the jets. Its my opinion and experience to put fresh fuel in a bike along with (stable) fuel treatment prior to storing them. With the stable added to the fuel, the fuel will hold good for about 1 year.. Replacing the battery and starting them and letting them warm up to operating temp monthly while in storage is always a good idea..
I hope this helps..

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Bike is sputtering when give it gas. sat for 2


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Double check to make sure that you've got the routing and firing order right... if you have 2 switched, the car may still idle well but then pop and sputter on harder acceleration.

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06 m50 sat for approx 6 months charged the battery won't start.


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MUTIPORT FUEL INJECTION PONTIAC FIREBIRD 3.1


My 92 Bird with the 3.1 did the same thing after it sat for about 2 months. The car had aways started right away before. I had to jump start it and I thought it would never start.Same as yours after it started. Seem to get better after I ran it awhile. It was getting good spark and was getting fuel. I checked fuel pressure, it seemed to be within specs.then it started to sputter and the pressure dropped to almost nothing. Seems that the fuel pump was going bad, but still would pump enough fuel at times to run. When the car was parked the fuel pressure would bleed off, and when I tried to start it the pump had trouble pumping enough fuel to pressure the system.Long story short! Replace the fuel pump, and filter.....

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Take the carb/carbs off and clean the jets.They have either egunked up from gas setting or have a piece of dirt.Most likely the main jet but clean it and the pilot jet too.

Dec 15, 2008 | 2005 Yamaha V Star Classic

1 Answer

Bogging down


got my side stand switch fixed and took her out for a spin and had yet another problem. When im riding it and take off it kinda sputters unless i crack it all the way open and then it runs out great. It seems that the problem is is just like at half throttle taking offit just sputters. A ny suggestins? The bike had sat for about six months before i got it. also VR 2000 Enduro Your carbs are clogged somewhere because the gas sat so long -- it turns to varnish over time and it likely has clogged your low-speed jets. (When you crack it open it's on the main jet and gets enough fuel.) You should get a product called SeaFoam, which can help clear carbs. If that doesn't work, you'll need to take the carbs apart and clean out the little passages. ,,,

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