Problem starting in lower outside temps By ruler666 (Read 467 times)

[ruler666]

2006 49cc Schwinn scooter with 2000miles. I have a serious problem starting it when the outside temperature is around or below 60 degrees and engine is off for several hours. It eventually starts but it takes a long time for it to get going (several minutes). My kick start does not work and I am afraid I'll ruin the starter by doing this every morning. When it starts I can not accelerate quickly because it will die again, until it warms up enough, than it runs fine, and restarts right away.
Few months ago I had the carb cleaned and adjusted, fuel filter and spark plug changed, fuel tank flushed and oils changed. It was in a perfect shape, but since it started getting cooler at night I'm having this problem every morning.
It is always garage kept, except for the three weeks I recently had it on the back of my truck and took it for a road trip. Than it got rained on several times and caught some serious dust on the back roads of Utah and Colorado, plus got shaken a lot.

Any suggestions? Please help.

[ce]

Sounds like the exhaust valve has closed up.

I'd set the intake and the exhaust at .004, if it clatters too much, go to .002 inches

[Bashan]

Yep, good advice from ce, I've had just those starting issues from valve set. If that doesn't get it check the autochoke, there's videos in the Library on how to do that. You WILL burn your starter up like that and Sprocket will yell at you. Rich

[ruler666]

Thanks, I'll definitely check the valve set. I've never done it myself but I'd love to learn, do you know where can I find some instructions for this type of motor?

[sprocket]

Here is a video