Carb for pk vs spesial

my freind has a spesial that he thinks has problems withe the carb. Ive got an pk and has offerd to lend him mine for a while. But are they the same?

No they aren’t. If your mate thinks its the carb and is going to take it off, then a careful clean inside and out should sort it out. If the pk manifold mount is a two stud then it is possible to fit complete carb and manifold from pk to special. Im presuming here they are both 50cc/ same cc.(there are spanish specials of 100/125cc out there to confuse people). Better to clean up original carb tho’ all parts available from a good dealer.