Problem started in the spring. Bike was driving fine, suddenly lost some power at high speed on the highway as if running out of gas, then was fine for the rest of the ride home. Figured some dirt in the line. Took the bike out a few days later and same thing happened except that the bike lost complete power after a few miles and died. Changed the fuel filter, cleaned the peacock and gas line, still the same. Bi started but would not go anywhere unless choke was on. A few days later bike is running like new. I mean real new, beautiful sound, full power, drove it on the highway way over the speed limit, all was great. Went out a few times, still good as new. Let the tank get low on gas the same proplem happened again. Filled it up with high octane gaz, still can't get it to run properly. First thing dealer said, "We'll take those carbs apart..." That's when I walked out. I got scammed once with an old 2006 Virago. Had to sell the bike because they messed it up so badly. Can anyone help with my VStar problem? I'm not really experienced with mechanical stuff when it comes to bikes. Thanks in advance
Only running good with the choke on is an indicator that the bike is normally running too lean. The fact that it runs good with the choke on at least tells me it is getting fuel to the carb(s). Therefore it seems probable that there is clogging in the carburetor jets or there is a big air leak between the engine and carb(s).
Hey Jeff, thanks for taking the time to answer. Don't know if it's related, but I know there is an air leak in a small chrome pipe running horozontally on the side of my left leg. Last year the dealer just taped it up but never gave me an answer. This would not explain whough why the bike ran great in between problems. However I will investigate that first as it is the simplest thing. Will get back to you.
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SOURCE: loss of power, stalling, backfiring
Sounds like you are not getting fire to that cylinder,check plug wire,plug,and the cap on the end of the plug wire.
If all is well with those,just let me know and we can go to the next possible cause.
SOURCE: XV1100 virago ...sputtering, dying...NOT FZR!!
1 maybe there is a diaghfram tear at your carb only 1 is funtioning and 1 block engine is running but under power
2.check your fuel line from tank to fuel filter then pump then carb
probally there is a debrie stuck in the pipe line or in your tank
SOURCE: Won't idle without choke
The pilot jet controls the air/gas fuel mix at idle . If the jet gets plugged up not enough gas gets to the emgine at idle. You will need to remove the carbs and float bowls and clean them, paying special attention to the pilot valve. Count the number of turns to remove the pilot screw and replace the same number of turns then turn counter clockwise 1/2 turn.
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SOURCE: Yamaha 535 stalling out and losing power after running for a bit
Sounds like a fueling problem either water in the carbs or the fuel flow from the tap is insufficient. If there is a vacuum pipe it may have been dislodged or holed.
Ride Safe
Bike-Doc
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