No, the first few laps the engine should be slugish and as if its too rich, as it heats up it becomes ALIVE...
Those temps you have a way too hot, what is performance like? I would richen needles.
Here is info from earlier messages.
20-30C max about 120C (68-86F max 248F)
10-20C max about 100C (50-68F max 212F)
0-10C max about 80C (32-50F max 176F)
BTW - I had air leaks from moving fuel inlet on carb (me naughty) Have you touched this?