Posted by Larry Zaidan on April 07, 2002 at 09:20:47:
In Reply to: YAMAHA 621 5 valve? posted by The MR. on April 07, 2002 at 00:23:34:
I have often thought that would be great, too.   It would be interesting to see if anyone has done it, successfully.  For the life of me, I don't know why they didn't do it that way from the beginning!  
Larry Zaidan