Thanks to all for this site. It has already helped me before I got a chance to join. I didn't have working headlight or a working starter button and with a luck I found the answere rite away on SOHC4. I'm very happy to say I just added another bike to family. Its a 1975 Honda 750F in remarable condition with 9,655 miles Candy Sapphire Blue. Everything works except the starter button and headlight of coarse. I also have a European 1968 CB450k1 from Germany that was brought over to the USA and found by a friend of mine and a 1973 Triumph Bonnive 750. The CB450 and the Bonneville or Booth in pieces right now because I haven't had the time to finish them so I bought the 750F. I have been looking for a first year F model for a while but there a little hard to find in good origanal condition. I'll include a picture as soon as I get a chance but rite now a have to put the 750F back together and see if I can temporary by pass the button so I have light to ride. Thanks again and does anyone out there know where I can buy just the starter button assembly!