Any suggestions for dealing with my 150cc scooter stalling problem?

by Freddy
(Somewhere)

I was riding in the rain and the 150cc scooter stalled like a gas bog on throttle. Got home checked, and the fuse was disconnected. Tightened the connector. Bike turned over but won't start, Should I drain the carburetor or let it sit in the sun a few days?


When it stalled out and I got home, I put the wrong size fuse in and it would not turn over. Then I put the right size fuse, and it turned over.

I cleaned the spark plug; it was very gas coated. so I left the spark plug out and let it sit out in the sun. Haven't tried to start it yet. Also a couple of days before this the headlights were cutting out.

The brake lights work and turn signals work when I turn ignition on. Help! Riding since 1972; own 3 bikes and I'm a decent wrench, I'll figure it out. But appreciate any advice. Freddy Polizzi
Many thanks

Comments for Any suggestions for dealing with my 150cc scooter stalling problem?

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Apr 12, 2011
forgot something.....
by: Grandpascooter

My first comments forgot: make sure the fuel filter is flowing. Mine actually melted inside (I use Stable in my fuel, contains alcohol) If its ok, make sure the vac fuel valve is working. No vaccum, no fuel!!

Hope this helps.
GS

Apr 06, 2011
Water in the Plugs
by: Jim Zeiser

You have water and corrosion in the plugs for the CDI, coil or ignition circuit. Pull them apart, clean them and put them back together. Kliff always said use dialectic grease in there to prevent that. Radio Shack or an auto parts store should carry it.

Apr 06, 2011
Cover the bases!
by: Gramdpascooter

Join the Chinese Scooter Club (I presume its Chinese!) First,CLEAN the plug with carb cleaner and blow it out with compressed air. Second, make sure your battery is REALLY charged. A low battery can have enough to crank the starter but with insufficient voltage to operate the ignition system.

I'd use some Hot Start starter fluid in the air intake after charging the battery and cleaning the plug. After it fires up, run it till its warm. Then, I'd make sure you're using FRESH HI OCTANE fuel. My Chinese Mobile runs best on 100+. Don't use old gas. If you store your fuel, use Sta-bil in it to avoid gumming and water.

Remember, these machines use a CD ignition system and are sensitive to LOW VOLTAGE. Also, make sure your float isn't sticking and flooding the system.

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