Wont idle at a stop - 2003 Yamaha V Star 1100 Classic

CK FOR VACUUN LEAKS

dont know if this is the same but i had a sj with same problem when it wwas cold it run fine but when it was at temp it cut out and revvin up and down ended up havin a new carb which was costly and hard to find now ...

That's a very high rpm for an idle! It should be between 700 to 9oo rpm. This truck needs a tune up, at least!

It might be the throttle positioning sensor or and idle control setting. I suspect the former as the problem. Get a repair manual to locate the sensor and replace it.

You may want to have your fuel system checked out. You may have water or trash in there. Have you checked you air filter? Fuel filter? Does the bike run fine other than the idle problem?

Not knowing if you know anything about idle speed settings, idle mixture, etc., first check to see if all carburetor components are fully in place and are in good shape. A vacuum leak will cause the symptom you are describing. After doing that, adjust the idle stop screw. If it just won't idle even after doing that, take out the idle mixture screw, blow out the screw hole with compressed air, and gently screw in this screw all the way in. (DO NOT FORCE it.) Then open it 2.5 turns. Adjust this screw for a good strong idle while adjusting the idle SPEED with the idle stop screw. Get assistance if you don't know how to do this stuff. Good luck.

fuel filter most likely

you must check if it has a carb the electronic idle may not be working or the idle jet may be blocked

check the carburator..might be dirty..might have tiny particles clogged in it..

Check throtle position sensor... one section closes a set of contacts when you take your foot off the accelerator... this is sent back to the engine control computer which adjust the timing to insure the engine stays @ ~ 800 rpm. It's easy to set with just a simple multimeter...