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Post by drock77 on Jul 19, 2023 13:18:28 GMT -5
I have a 50cc Coleman scooter that was running fine. I drove it to a friend's house and cut it off a couple hours later, I tried to start it, it would turn over but it wouldn't crank. I checked that it was getting fuel, and it was. So I moved on to the spark plugs and it's getting spark. What could it be?
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Post by aeroxbud on Jul 19, 2023 14:53:08 GMT -5
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Post by classacted on Jul 19, 2023 22:15:47 GMT -5
FYI, cranking and turning over are the same thing. on one side of the bike you should be able to see the fan spinning while this is happening. firing is when the engine spins on it's own (it starts to run).
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Post by GrumpyUnk on Jul 20, 2023 10:04:12 GMT -5
The steps outlined should guide you into finding what is not working properly.
In general, a "rode in fine, won't start now" ends up with a fuel supply problem, mostly an oversupply as the hot engine cooks the fuel and it bubbles out of the float bowl into the intake and makes a WAY over-rich fuel:air mixture that won't fire. Got spark, got fuel, got compression, won't fire== a mix that is not flammable due to being filled with fuel.
Likely if you got it home, it would start fine the next AM. A help is to crank the twist grip wide open to let in a LOT of excess air. That may clear out the drenched spark plug and fuel sloshing around(exaggerated) so you have a burnable mix and it will start and run.
At least that's my centavos worth.
tom
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