WHAT MODIFICATIONS DO YOU NEED TO DO TO THE ENGINE CASINGS TO FIT THE QUATTRINI CYLINDER KIT. DOES ANYONE KNOW IF I COULD FIT THIS WITH A MALOSSI RED VALVE CARBURETTOR WITHOUT HAVING TO REMOVE PART OF THE GS150 FRAME, LIKE YOU HAVE TO DO WHEN FITTING A NORMAL CARBURETTOR. HELP MUCH APPRECIATED.
THANKS GARY