Play with idle screw, idle didn't go up? By Deleted (Read 684 times)

[Deleted]

Hello, i'm new here.
I have a Piaggio Fly 50 4T 2009, i install a 80cc kit with a powercam and a Malossi variator.

Last week everything was fine.
But now, when i want to give more idle speed to the motor, i screw the idle screw and nothing happen?
I screw the idle screw at max and the motor didn't rev more?

Any idea???

I didn't have a air mix screw on my original Piaggio carburator, i have a main jet #80 and pilot jet #35.

But the acceleration always good and fast and my top apeed is 80 km\h (50 mph)!

Thank's!

[alleyoop]

Take a picture of the CARB AREA on the THROTTLE CABLE SIDE I think you put the throttle cable in wrong and not adjusted it right.
Alleyoop

[Deleted]

Next time when i check the carburetor, i took picture, but yesterday i take the carb and i check for the air mixture screw.
I see a screw without crack to put one screwdriver! I managed to remove it and to make him a crack to put a screw driver!!!
It was a real crew air mixture but with no crack to adjust. It was screwed at the Max...
I have a little spring in my stock for carburetor and it fit inside the hole.
Now my motor run better, it need 2 and ½ turn to have a decent idle, but if i play with the idle screw almost no change if i screw at the max!

I think i'm going to buy a brand new carburetor on Ebay!?

I try took picture of my carburetor tomorrow!

[alleyoop]

Ah, you have a carb with the fuel mixture plugged. On those you have to drill out the PLUG it is about 1/8 thick and the screw is behind the plug.
Here is what the plug looks like
Alleyoop



HERE IS THE PLUG:

[Deleted]

Here picture of my carburetor!


I make a scratch for a screwdriver!


This is the idle screw, see it screw at the max to have a normal idle!!!
Not normal???
Pilot jet is #35
Main jet #80.

I make a long ride today, and see the color of my aprkplug!





Color is it good

I don't know why it's hard to have a good idle, the scooter run good and fast (50mph)!?

[alleyoop]

Ah Ok, try adjusting the Carbs Fuel Mixture, IF TURNING THAT SCREW in EITHER direction DOES NOT RAISE OR LOWERS THE IDLE the Pilot Jet and or PASSAGE are clogged and needs to be cleaned out.
HERE IS HOW TO ADJUST THE MIXTURE:

thescooterprofessor.proboards.com/thread/3001/4-stroke-carb-tuning

Alleyoop