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Posted by Gary H on July 7, 2006, 10:03 pm
> My neighbor gave me his old go-kart and I fixed it up. The engine is
> giving me problems, though. It is a typical 5HP Briggs engine. It had
> been rained on with no air filter so I tore it down and cleaned it out and
> put it back together with new gaskets. I think they might have run it
> bone dry of oil because there was no oil in the crankcase but the cylinder
> and rings looked ok to me. So did the valves. It turns over just fine.
> The carb was very cruddy and I soaked it in carb dip and put it back
> together with new gaskets and diaphram.
>
> After I got it all back together I started it up and it ran decently for a
> few hours. But then it started to run worse and worse. I bought a new
> carb for it and installed it tonight but it obviously wasn't the problem.
> Even with the new carb and with fresh gas it will only run with the choke
> all the way on. The new carb doesn't have an idle adjustment screw so it
> seems like it can't be a fuel problem. What else could it be? The only
> thing left is spark and compression. It obviously has both of those
> because it runs and had plenty of power when it was running OK which
> indicates compression is probably OK. I made sure the gas cap isn't
> blocked.
>
> Any ideas what I should check next? Or what I should recheck?
>
> Thanks,
> Gary
>
PS The gas tank looks pretty rusty inside but it doesn't make the gas turn
rusty looking.
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