Why does my scooter stop when trying to rev?

by Tyler
(Gresham, Oregon)

I don't know the exact model of my scooter. I got it from my friend and it's been sitting in his garage for a few years.


I can get the motor to start, however once I try to rev it (twist the handle to start moving) the motor just dies. I've tried letting the motor warm up for 2-10 mins but the problem persists.

Comments for Why does my scooter stop when trying to rev?

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Jan 02, 2012
Valves NEW
by: Anonymous

Adjust your valves. If you don't know how to do it check out youtube.

Nov 16, 2010
why your scooter stops
by: Anonymous

You need to adjust the fuel air mixtue. This is done by turning the small brass screw locater on the left side of the carb. Turn this screw in until it is snug but not too tight. Now turn the screw counter clockwise one and one half turns. This is usually the factory setting.

Try giving the throttle a twist and see what happens, if it still bogs down and dies turn the screw slightly more to the left. Try the throttle again.

THESE ADJUSTMENTS MUST BE MADE WHEN THE SCOOTER IS WARM AND THE ELECTRIC CHOKE IS OFF OTHERWISE YOU WILL NOT GET GOOD RESULTS.

The idle speed screw on the right side of the carb should be set as low as possible so that the engine is running on the idle jet only. Keep playing with the air fuel mixture screw until your scooter runs properly.

Aug 26, 2010
Fuel Pump
by: Ed

add to vaccuum line
a. Fuel pump.
b. Fuel filter.
c. Carb. needs cleaning.
Add Sea Foam in the tank and let it run at idle until it reaches carb. This stuff work real well.

Aug 26, 2010
Vacuum line
by: Jim Zeiser

Vacuum line is off or broken. The scoot goes off in the fuel mixture when you open the throttle and dies. Look for hoses off at the carb or intake manifold

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