Fitting a malossi 166

CAN ANYONE HELP ME AS I AM GETTING CONFLICTING INFORMATION, I WANT TO FIT A MALOSSI 166 KIT AND 24 MIL CARB TO MY 2002 PX125 DISC,
NOW SOME PEOPLE SAY HEAD COMES WITH KIT AND DOESNT NEED MACHINING, OTHERS SAYIN HEAD HAS TO BE MACHINED, BEEN TOLD IT ONLY HAS TO BE MACHINED ON T5 AND PX200 KITS…
ANY OTHER ADVICE YOU HAVE ON FITTING THE MALOSSI 166 KIT WOULD BE GREATLY APPRECIATED…[:D] …MANY THANKS, MEESEY

The Malossi 166 kit comes with a cylinder head which bolts straight on, it uses an O-ring instead of a traditional head gasket.

Fitted a similar set up to a mates bike with a Simonini exhaust and matched casings, went really well.

[:drink:]

CAN ANYONE TELL ME IF A MALOSSI 166 KIT WOULD GO WELL WITH EITHER A T5 OR P2 CARB, 24 MIL…AND WHAT I WOULD NEED TO ADJUST[:drink:]