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General Category >> Rubber Side Down! >> Will not idle
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Message started by spearheadss on 04/05/15 at 12:07:28

Title: Will not idle
Post by spearheadss on 04/05/15 at 12:07:28

Here's the problem. My bike will not idle. It will run as long as I give it throttle but as soon as I let go it dies.

Here's what I did lately. I installed Routy's forward controls. I put in a 155 main jet and a 55 pilot. I have a raptor pet thingy with the vacuum hose closed off. The seal is still good. I have retraced my steps and everything seems fine I just can't get it to idle.

Help please. Riding season is just around the corner.

Title: Re: Will not idle
Post by justin_o_guy2 on 04/05/15 at 13:08:16

Have you adjusted the idle speed screw?

Title: Re: Will not idle
Post by Yoshi on 04/05/15 at 13:39:30

Why did you go with such high needles? Im in Ny and my bike runs with a dyna muffler and stock airbox on 52.5 and 152.5 jets. My other bike has a open pod and lightly baffled jardine and requires a 55 pilot and runs good on a 155 main.

Do you have any intake or exhaust mods?

Title: Re: Will not idle
Post by spearheadss on 04/05/15 at 14:42:02

584741465B5C6D5D6D55474B00320 wrote:

Have you adjusted the idle speed screw?

I didn't touch the idle screw. It was idling fine before I took it apart. But, it never hurts to check again. Thanks.

Title: Re: Will not idle
Post by spearheadss on 04/05/15 at 14:45:08

4D5C4D7478767C6F6E76741D0 wrote:

I have a screaming eagle exhaust and stock air box. I went with those based off of other setups on here.

http://suzukisavage.com/cgi-bin/YaBB.pl?num=1401405082

Specifically Art Teacher we have almost st the same elevation. This is my first time working on the jetting.

Title: Re: Will not idle
Post by Gary_in_NJ on 04/05/15 at 18:20:35

Any change in the Jets, needle height or needle profile will require and adjustment of the a/f screw and the idle. Make these simple adjustments and you'll be good to go.

Title: Re: Will not idle
Post by spearheadss on 04/05/15 at 18:24:33

Thanks guys. I'll get on that tomorrow and post results.

Title: Re: Will not idle
Post by spearheadss on 04/06/15 at 16:18:42

Got the idle figured out. Thanks all. Now when I am riding it cuts out on me when apply the throttle quickly or when I am going up hill. Still a/f or could the jet be too big? Also it seems like it wants to rev up when I am sitting still.

Title: Re: Will not idle
Post by Gary_in_NJ on 04/06/15 at 18:49:04

A run away idle is an indication of a lean condition. Back the a/f screw a further 1/2 turn.

Title: Re: Will not idle
Post by verslagen1 on 04/06/15 at 19:31:44

or you got an air leak

Title: Re: Will not idle
Post by spearheadss on 04/07/15 at 09:08:03

I'll try adjusting the a/f screw again today. Verslagen, where could I possibly have a leak? In the carburetor?

Title: Re: Will not idle
Post by Gary_in_NJ on 04/07/15 at 09:13:09

3231242033292420253232410 wrote:
where could I possibly have a leak? In the carburetor?

The boot between the carb and the cylinder head. Usually its caused by a pinch or gap that happens while installing the carb. Also, make sure that the hose clamps are tight...not crazy tight...just tight enough that the carb doesn't rotate.

Also, make sure that the top four screws that hold the cover are secure with no tears/gaps in the gasket.

Title: Re: Will not idle
Post by verslagen1 on 04/07/15 at 09:15:31

also check the vac line or the plug if you've raptorized.

Title: Re: Will not idle
Post by spearheadss on 04/07/15 at 11:34:15

Will do. I'll check that out tonight.

Title: Re: Will not idle
Post by spearheadss on 04/07/15 at 17:28:42

Didn't get a chance to ride tonight as it is raining. I looked at the carb boot and noticed that it had slid off of the carb some. I slid it back up and retightened the clamp. I also adjusted the a/f screw some more. Hopefully this will fix it. Although, it is supposed to rain all week now. That sucks.

Edit***

I checked the plug because I have a Raptor. It is fine.

Title: Re: Will not idle
Post by spearheadss on 04/12/15 at 14:43:28

I have no idea what kind of main jet I had in there but I didn't have the 155. Anyway all is well now. It starts and idles just fine. I now need to just fine tune it. I guess thats what I get for trying to do it inside my garage with a drop light instead of in the sunlight.

****EDIT*****

Thanks for all of the help.