Anyone know why my scooter runs and shut off?

by Verdell Hogan
(Blytheville, AR, USA)

Good Morning... I have a Chinese made 2008 Velocity 50CC Motor Scooter. It's been sitting for nearly two months indoors. The scooter was starting right up prior to sitting it up.


I tried to start it and it ran about 3 to 4 seconds and would shut off. When I twist the gas throttle, the engine dies every time. I tried this procedure numerous times.

I have checked the fuel filter, vacuum lines for seepage or twists and everything seems to be OK. The scooter only has 200 miles on it.

Answer: I'm not mechanically inclined but I'm guessing maybe your battery drained while your scooter wasn't being used. It happened to me. You might try re-charging your battery to see if that helps. But if I'm wrong, my scooter friends here who know more about this kind of thing will be sure to chime in. :)

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Comments for Anyone know why my scooter runs and shut off?

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Sep 28, 2012
 MN14 & TEX + COMMENT NEW
by: Anonymous

ANSWER TO MN14 & TEX, YOU SHOULD ADJUST YOUR THROTTLE SCREW LOCATED ON TOP OF THE CARB, WHERE THE THROTTLE CABLE MEETS THE CARB. ADJUST IT TIGHT (CLOCKWISE) TO ADD MORE PRESSURE, AND LOSEN (SEMI-CLOCKWISE) TO SUBTRACT PRESSURE. ALSO MAKE SURE THAT THE FRONT & BACK HOSES OF THE CARB IS FIT REALLY TIGHTLY ON THERE. THERE CANNOT BE AIR LEAKAGE FROM THE INTAKE OR TO THE ENGINE. FIRST, LOSEN THE HOSES' SCREWS, PUSH THEM IN TIGHTER, WHILE SCREWING THE HOSES' SCREWS TIGHTLY TO AVOID SLIPPING BACK OUT. ALSO, CHECK THE AIR FILTER BY THE REAR BREAK ADJUSTER, YOU SHOULD BE ALRIGHT IF IT'S CLEAN, ESPECIALLY IF YOU LIVE IN A DESERT CITY LIKE LAS VEGAS.

I HAD A SIMILAR PROBLEM TO THE OTHER GUYS HERE BUT NOW MY SCOOTER ONLY RUNS FOR ABOUT 10 SECONDS AND STALLS FOR A MINUTE OR SO. I THINK IT'S THE SLOW JET ADJUSTMENT WHICH I WILL WOR ON TOMORROW. WISH ME LUCK!
Jan 17, 2011
 scooter not running
by: Anonymous

Your problem is the carb guys.The needle valve is cloogged shut thats wht it only runs a few seconds and shuts off.Take off the carb clean and blow it out completely with an air tool/compressor and put it back on.Should stay running now.
Jul 06, 2010
 My scooter start but then shut off.
by: MN14

Hey guys... I have a Schwinn 49 cc scooter. I have a problem like that too. My scooter runs but when I turn it on I have to keep adding throttle to make it run.

If I let go it will shut off... also the top speed for it is 35 usually but now it barely goes 25. I don't know... it sounds like it wants to go fast but it seems like something is holding it up. Please... I need help anyone. Please comment back.
Dec 31, 2009
 mine does this too
by: TEX

I don't know how old this post is. BUT..mine does it also..what I do is give the trottle a few twists,then start the scooter,,keeping the trottle open a little til the engine warms up.. even then when I twist the trottle a little it may stall. but it does start up again ..until it warms up a few minutes . after it does warm up, it runs normally. but..I still have to do it if I let it sit a few days..I believe it's all part of letting the engine warm up..because when it warms up I have no further issues with the stalling.

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