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.
if you have fuel injection, check fuel pump pressure sorry i dont have specs on that but call your local service dept and they can hook you up. clean fuel filter then blow dry tank and proceed as above. if none of this helps get back to me and we can try some electrical trouble shooting good luck

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I have a 1999 suzuki gsxr I sync the carbs and changed the spark plugs I started my bike and idle fine put in to 1st gear and the bike starting spuddering every time I put a load every gear it would...


If the motorcycle has sat more than 6 months with reformulated gas, it more likely has jets plugged up and will need a carb cleaning. Plug jets will cause sputtering and bogging down when the engine is loaded.

Nov 22, 2014 | Motorcycles

1 Answer

Bike sputters


Hi, Anonymous and the usual suspects are:
1. Throttle cables misaligned or misrouted.
2. Damaged or restricted fuel tank venting system.
3. Inlet system air leak.
4. Vacuum piston malfunction.
5. Accelerator pump leaking or no output.
6. Plugged bowl vent.
7. Fuel level in bowl too low.
8. Restricted fuel supply passages.
9. Plugged jets or passages.
10. Worn or damaged needle or needle jet.
12. The enricher valve not seated or leaking.
For more information about your issue and valuable "FREE" downloads that you will need please click on the links below. Good luck and have a nice day.
http://www.starbikeforums.com/forums/49-v-star/9084-v-star-acting-very-sluggish-sputtering.html
bike idles fine but will sputter and lose power upon take off Yamaha FJR...
http://www.sloneservices.com/SilverBack/Other-Stuff/V-StarShopManual99-07.pdf
OEM parts for Yamaha
http://www.starmotorcycles.com/assets/service/manuals/2000/LIT-11626-13-36_96.pdf

Feb 10, 2014 | 2001 Yamaha V Star 1100 Classic

1 Answer

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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2 Answers

Bike is sputtering when give it gas. sat for 2


Make sure battery is full,not just charged. if the sputter is still there you may need to clean air filter,fuel fillter or carbs may need to have trash removed from inside at the fuel float valve-seat and jet.

Apr 29, 2010 | 2004 Honda VTX 1300

1 Answer

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


from your description, i would sugest you make sure fuel is getting to the injector unit, remove the fuel supply hose.if you have spark at the plugs and fuel getting to the injectors you have isolated the problem. i would also drain the old fuel when you take the hose off and fill the tank with high grade fuel. bikes dont like old gas.

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1 Answer

2003 V Star 650. Had fule pumping out of air cleaner box


you shouldnt have to resync the carbs as long as you dont touch the mixture screws or the screws for the throttle blades. you wont have to pull the jets completly out to clean them just spray the heck out of all the orifaces with carb cleaner once you have them pulled apart. Also whe you put it back together make shure the carb seal to the engine and airbox are tight with no leaks, this will make it run bad also

Jun 20, 2009 | 2006 Yamaha V Star Custom

1 Answer

No power past a 1/4 throttle


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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