The Honda 750 four is rightly considered a classic with values increasing in recent years. The 1969 bikes, referred to as K0, are often seen as the rarest and most valuable. Among those the first 7,414 examples, with rough finished “sandcast” engine cases, are even rarer and more treasured. Clymer spotted this immaculately restored CB750 KO “sandcast” on display at the 2013 Heart of America Motorcycle Enthusiasts vintage motorcycle rally.
In 1968, when Honda greenlit production of the world changing SOHC CB750, there was still a little hesitation before jumping into the market with both feet. Before investing in the more expensive production molds for high volume casting, Honda ran off a series of engine cases and other parts by gravity casting them with permanent mold dies.… Read the rest