Registered Forum User
 Big Twin
     Posts: 1,710
 Join Date: Aug 2002
 Location: Worthing  Sussex
 Mood: happy  bike passed MOT
  
    
     Is it physically possible?  surely you'ld have to change the head completely!
 
 maybe  could you put the barrels and heads from a twin plug model onto the old engine ????
 
 [Edited on 23-2-2004 by Nigel C]