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Message started by rl153 on 07/09/15 at 16:18:28

Title: idle fluctuates
Post by rl153 on 07/09/15 at 16:18:28

My bike is an 05,6500 mi.It has a raptor petcock. It runs strong but the idle reads lower sometimes and higher at others.I have it set so most of the time its 1350 rpm ,but sometimes it s 1500 and sometimes if I am coasting to a stop it stalls .i think the idle drops.It starts right back up,and then will run fine for a long time.If I rev it while i'm slowing down its fine. What do you think the problem is?Thanks!

Title: Re: idle fluctuates
Post by squiggy on 07/09/15 at 16:24:21

Pull your petcock and and check the filters.

Beyond that, maybe jets are starting to clog?

Title: Re: idle fluctuates
Post by rl153 on 07/09/15 at 17:17:40

thanks

Title: Re: idle fluctuates
Post by chzeckmate on 07/09/15 at 18:37:26

Possible vacuum leak. I'd check that first. It would be helpful to know more specifics about your bike. Do you have an aftermarket muffler, jets, etc.?

Title: Re: idle fluctuates
Post by verslagen1 on 07/09/15 at 18:44:07

a good carb cleaning would be the 1st step.

sometimes it's the TEV sometimes other things.

check your float height.

stalling after suddenly cutting it after a long run is also a known issue.

Title: Re: idle fluctuates
Post by rl153 on 07/09/15 at 18:53:43

thanks, whats the tev

Title: Re: idle fluctuates
Post by verslagen1 on 07/09/15 at 19:18:09

http://suzukisavage.com/cgi-bin/YaBB.pl?num=1267767908

Title: Re: idle fluctuates
Post by savagerider87 on 07/09/15 at 19:43:05

check your pilot jet and make sure you didn't suck some gunk up into it

Title: Re: idle fluctuates
Post by rl153 on 07/09/15 at 20:07:48

I have a new rubber cap on the vacuum port from the old petcock on the carb.Are there any other vacuum lines on the bike ?The muffler is stock.I was told by the previous owner when I bought the bike 6 years ago that the carb had been jetted. I'm not sure what that meant.Thanks!

Title: Re: idle fluctuates
Post by chzeckmate on 07/10/15 at 02:23:35

2E27342B2C2773707B7B420 wrote:

Check out this youtube video for how to check for vacuum leaks. This is how I'd start diagnosing. This is so simple and just takes a minute. If you find a vacuum leak then you can just fix it. If you don't have a vacuum leak you can scratch that off the list and continue diagnosing. If it's not a vac leak then I'd suspect a carb issue and give it a thorough cleaning as suggested above.
https://www.youtube.com/watch?v=XzjSEYB9RDU

Title: Re: idle fluctuates
Post by rl153 on 07/10/15 at 06:21:38

I watched a video about vacuum leaks ,Thanks!