Sai....... may I suggest that you establish what the correct plug is...... and then stick to it.
Let's just recap the role of the plug:Ignition Timing:
The spark occurs earlier, or later.
Projected is earlier..... non projected is later.
Heat Dissipation:
A hot plug conducts less heat away from the electrode.
A cold plug conducts more heat away from the electrode.
Heat Retention (Purpose):
To be hot enough to burn off any combustion deposits, while not being so hot, to cause pre-ignition.
The Design Engineer:
He chooses the ignition timing, and states the plug 'projection', aligned to the spark actuator.
He also chooses the plug temperature.
My view is that the plug should be as stated......... it ensures that we only need look at getting the ignition timing, and carburation correct.
NOTE: A bike that will not start, is likely to start with a projected plug.
This is a very useful fact to have at your disposal.
....Your carb is all wrong..... but at least you can start the bike
(But it's just to get the motor started)
Your pic showed a plug that looked odd to both myself and Elektrey (and everybody I guess).
So a definitive statement on your required plug, would really help everybody.
On Starting
The motor starts well...... when you have the idle circuit set up correctly.
Focus On Your problemWe have no idea of your atomiser sizes, or needle, nor it's position, so your jet sizes are a bit meaningless.
All we know is that your plugs are uber wet.
This is likely to be one of two things.
A leaking fuel needle valve
Incorrect idle circuit.
BTW no plug pic was shown.