ATV Florida Forum

It's backfiring and idling rough. It's not burning any oil. I have cleaned the jets and drained the gas and put 93 octane gas in it which did nothing to correct the problem. Any ideas?
Thanks  in advance.
Gary

Will it idle at all with the choke off?

It will maybe for a minute and very rough. then it gives out a pop and shuts down.
Thanks chillin

make sure the rubber boot that holds the carb to the intake is not dry rotted or have a hole or crack in it.

Did you try a new spark plug?

There's no obvious holes or cracks but when I spray carb cleaner on the boot ( Air box side ) the RPM's go down.

I didn't replace it but have looked at it and it looked fine.

Try a new one!! It would rule it out as a problem.

Roger that...thanks

Ok then. When you turn the choke on will it idle better? If thats the case then you need to go back in the carb again. Are you 100% sure that you cleaned the pilot jet really well? These jets are very small, especially on a small machine  and you need to be able to hold it up in the light and see through it. I usually have to use a single small strand out of a piece of copper wire to clean a clogged pilot jet. If the carb was really nasty and you didnt get it really clean, then its possible that you did clean the jet well and it clogged again right away.

Ya know...I pulled a schematic of the carb off the net and there are more jets than the three I cleaned above the float. so I'm going to pull it again and really go through it.
Thanks again.

Thanks Chillin...works like a charm. You're tip about the copper wire worked great.
I think it was the pilot jet but I went through them all to be sure.
Thanks again, I really appreciate the help ;D