SOURCE: pore idle cold w/choke/warm reves 4 or 5000 on its own
hi m8y,, soundz like the needles in the carb are sticking,and the diaphram barrels in the carb arnt sliding closed easily,,,or u have a slightly bent needle,, pull the carbs off and using your finger lift the needle barrels up and see if they slide closed if they aint then theres a bent needle,, and check all 4 seat the same,,, also check u dont have pin holes in the diaphrams to,that will make it rev like mad,, check this 1st m8,, if no change come back and il take u threw next step,,cheers m8,
SOURCE: bike idles, but with a little throttle it jumps to high rev and wont come back down to idle
You need to oil your cables first....They make a gadget to help you do this...it clamps around the end of the cable, and you spray oil into a provided hole for a spray nozzle tube...Then see if the cables are unstuck by turning the throttle grip back and forth for awhile....start it and see if that helped....if not you may need to replace the cable(s)...I doubt that the slide in the carb is hanging up...or valve.If this doesn't work notify me.
SOURCE: Yamaha V-Star 1100 backfires and will not run without choke on
Here are two solutions for you:
A - Take the carberator off and soak it in some good quality carb cleaner for about 1/2 an hour. That should take care of any residue in the carbs.
B - Alternatively (and for the less technical minded) there is a great product called Sea Foam. Try to find it at your local CSK auto/NAPA/Wal-Mart. Pour a small amount (maybe 1/4 ounce) into each cylinder chamber (take out the spark plugs), try to pour a small amount into the carbs (a turkey baster works great for this), and pour the rest into the gas tank. Let it sit for 5-10 minutes, then start it up. *NOTE - the bike will start VERY hard at first until it burns through what's in the cylinders. ALSO the fumes will be EXTREMELY strong and suffocating - make sure you do this OUTDOORS preferably, or at least in a VERY well ventilated area.
Good luck - I know how frustrating these things can be! :)
P.S. - I am a proud owner of a V-Star 1300 - great bikes! :)
SOURCE: My XV125 will only run on tick-over until warm....
ALWAYS have a fire extinguisher on hand when working on carburetors.
Remove the water trap bowl at the bottom of the petcock, (gas valve). Is there any water or trash in the bowl? Drain a cup of gas from the tank. Is there any water or trash in the cup? Dump it, clean it and re-mount it, ( not all bikes have a water trap bowl ).
Drain the carburetor. There should be a screw on the lower side of the carb float bowl. Remove the screw then replace it after the fuel drains. Turn the gas back on and wait a minute for the carb to fill with gas. Install a new stock NGK spark plug and try to start the engine. If the bike doesn't start and run properly then shut off the gas and remove the carburetor from the engine.
Remove the float bowl and clean the entire carb with a spray carb cleaner from the auto parts store. Wear protective goggles to avoid getting spray in your eyes. Spray into all the little airways and fittings in the carb. Remove the idle screw and the air screw on the outside throat of the carb and spray into the screw holes as well.
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Be sure to put these two screws back in the same hole they came out of. IMPORTANT > do not tighten these two adjusters down. Only screw these in until they LIGHTLY seat. Now turn each adjuster one and one half turns outward. Before putting the slide back in the throat of the carb, move the clip on the jet needle one notch lower. Put the rest of the carb back together, clean the air filter and install the carb. Let the float bowl fill then start the engine. This process should get you back on the road.
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SOURCE: got a 2003 vstar 650 silverado..bout 2200 miles on
the gas nowadays goes bad and can tarnish (if you will) really fast you should proably remove carb.soak for 24hr.s in a high flash solvent and blow out all passages
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