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General Category >> Rubber Side Down! >> idling problems when cold
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Message started by jonnychop on 10/07/08 at 08:10:31

Title: idling problems when cold
Post by jonnychop on 10/07/08 at 08:10:31

I have a small problem. i have a 1990 ls650 i bought from a local bike mechanic, in the morning i pull out the choke and it starts up fine no twisting the gas and idles for about 1 minute and dies i do the same thing again and this time before she dies i push in the choke and twist just a little and the carb starts puking gas out of the tube, so to keep it idling i twist in the idle screw on the left and runs fine but later in the day she runs at a very high rpm so i twist it out untill its normal, i don't want to keep twisting in and out the idle screw and the mornings are not so cold, she just takes so long to warm up about 15 minutes!

Title: Re: idling problems when cold
Post by bill67 on 10/07/08 at 09:16:08

I think you need a richer low speed jet

Title: Re: idling problems when cold
Post by Seattle_Savage on 10/07/08 at 09:36:01

Try to run it with the petcock at PRI to see if it helps. It will narrow down where the problem is.

Title: Re: idling problems when cold
Post by jonnychop on 10/07/08 at 12:54:52

I checked the air filter and it was super dirty i will replace it today and i will let you know what happens with the petcock in PRI what jet do you think i should ask for ? thanks guys!