Tuning Best way to speed up a 903cc

[Flappjak]

Does anyone know the carb that's on the 900 L dance and what camshafts you can put on them

 

[TEX THE PANDAY]

Does anyone know the carb that's on the 900 L dance and what camshafts you can put on them

And can anyone tell me what would be the best weber carb set up to fit the 900 (903) dance?

Many thanks in advance
James