Question about 2004 Yamaha V Star 1100 Custom

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My vstar 1100 dies when in idle. acceleration is fine. driving, shifting, everything else is fine. when the bike is coming down to idle, it dies

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  • stuart pullen May 11, 2010

    you need to adjust the idle speed it will be a thumb screw down by the bottom side of the tank nomally, inline with the carbs and also attached to them when you find it turn it 1/4 turn clockwise and see if your idle picks up if it doesnt turn the other way till it does, normally the average idle speed is about 900-1200rpm hope this fixes it

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  • Master
  • 301 Answers

Is the idle speed set too low? If so, adjust it, using the idle speed adjusting screw, to the correct idle speed (900 RPM). If that's not the problem, then check for air leaks between the carburetors and the engine by spraying WD-40 around the intake manifolds with the engine running. If there is an intake leak, the engine RPM will change briefly when the WD-40 is sprayed near it.
Aside from that, there are two other things that can cause your engine to die when it should be idling: the idle speed mixture adjustment, or low cylinder compression. Of course, if it was idling fine before, and the idle mixture adjustment hasn't been changed, then do a compression check, first. To idle properly, each cylinder's compression needs to be at least 140 psi.

Posted on Nov 19, 2009

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1 Answer

02 Vstar 1100 just cuts off while idling with either in neutral or coasting with the clutch in.


Hi, Anonymous and the usual suspects are:
1. Idle speed improperly adjusted.
2. Inlet system air leak.
3. Leaking accelerator pump.
4. Loose low-speed jet.
5. Plugged low-speed jet.
6. Contaminated or plugged low-speed circuit.
7. Enrichner valve/choke not seated or leaking.
For more information about your issue and valuable "FREE" downloads that you will need please click on the websites below. Good luck and have a nice day.
2001 vstar 1100 idle and acceleration stalling
want to ride star 1100 problems low idle circuit
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

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1 Answer

I have a 03 yamaha vstar 1100 classic and here latley when accelerating hard in second gear the bike seems like the transmission is skipping (not slipping)... any ideas as to what in the tranny is causing...


Sounds like a bent shift fork. While accelerating you can feel the power cutting in and out quickly. The problem will get worse if you keep pushing 2nd gear till it slips. You can learn where (at what RPM) it wants to jump out and start shifting before it jumps out. The long term fix is opening the transmission and fixing the bent shift fork.

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1 Answer

VSTAR 100, Stars with chick on full, dies when pushing choke to of and can not thorttle up with choke on.


You need to let the bike idle on choke for about 5-10 minutes before taking the choke off to ride it.

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While riding my 2001 vstar 1100 it died dead!!!! No power anywhere battery is new and dont know alot about yamaha charging system...HELP


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Jun 01, 2011 | 2001 Yamaha V Star 1100 Classic

1 Answer

When I start my 2003 Vstar 1100 Classic, and as i give it throttle during ideling, it dies out? Also as im driving my bike and i come to a red light and i down shift and the idle lowers, it dies out, but...


There are a few quick things to try before cleaning the carbs.

1.Clean your air filter, it may be choking out, trust me a dirty air filter will choke out a bike.
2.Check your spark plugs. If they are black and sooty, change them out. Its quick and less expensive.

I diagnosed a 2001 Roadking Fuel injected. Ran like ****, hardly any throttle response, died at idle.
the customer said he just had it serviced a month ago at the dealer.
I pulled the plugs and they were nasty. The dealer forgot to change out the sparkplugs. It Happens
I Put in a new set of spark plugs and the bike ran like new.
I've fixed a bunch of bikes in the past and this one always stuck in my mind because of the difference in performance.

Try the sparkplugs, i think its more likely to be that than the air filter.

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2 Answers

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2 Answers

Vstar 1100 idling rough and backfiring letting off the throttle


It sounds to me that your carbs might be a little gunked up - you mentioned the gas may have been old, so it's possible that the smaller (idle) jets are slightly plugged up. Fresh fuel might do the trick and/or you could try using a fuel system cleaner and water remover. This problem might 'solve itself' with a little time.

As far as the backfire - this might be either from the carb issue or it could be related to that rattle you mentioned - you could have a loose connection at or near the head - this can **** air and cause a backfire.

I hope this helped!

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1 Answer

02 yamaha vstar 1100, ran fine. started it the


Sounds like it may be drawing air around the intake somewhere. Let it idle and spray around carefully with wd-40 until it speeds up. This will reveal the leak.

Oct 11, 2009 | 2002 Yamaha V Star 1100 Classic

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