SI 24/24 CARB UPJETTING FOR PX200 60mm LONGSTROKE

Schaltroller / Classic Motoscooters Vespa Largeframe
1

Hi SIP

what is the best recommendation for upjetting a si 24/24 carb if i use a px 200 60mm crankshaft and a 177 alloy kit to a px 150 crankcase?