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Hello all glad to join the new form.
I was given a Gorilla Motor Works RX50 scooter my brother was having fits with and he was about to destroy it.

It had not spark and he was told it was the stator so he attempted to remove it without the proper puller and broke the cast aluminum housing trying to pry the fly wheel off!
He previously thought it was the carburetor and bought a new one. 
Anyway he gave up and gave it to me as his temper got the best of him.

This scooter only has 442 miles on it.
Here is what I have done;
Purchased the puller and removed the stator which has 8 coils two are wrapped.
I tested the pickup and it was bad so I bought a new stator and as back up a new CDI and Ignition coil to hedge my bets.
I tig welded the case plate and installed the new stator, charged the battery and tried to start it.
It started and idled very low, when I turned the throttle it died.
So I checked the carb air/fuel mix screw and noted how many turns then turned it out 2 1/2 turns and tried to start it again. It started and the idle was a little higher but again if I touched the throttle to try to keep it running long enough to warm up it died.
So I am thinking it could be the valves needing adjusting but being it only has 442 miles am doubting this.
So does anyone here have any sage advice to give this old lady?  
Note I have worked on cars, motorcycles and small engines and yes I can weld with the best of 'em LOL.