One of the more interesting aspects of motorcycles is the variation in the design of the motors that move the bikes down the road. Chris Barber has come up with a variation he calls the DesmoHog. Chris started out with a Harley Davidson crankcase and cylinders, and put them together with a pair of Ducati heads. Chris explains how he did it:“The heads are the early large valve 900 SuperSport type, both the heads are rear heads with the front turned around 180 degrees and running a front head cam, this gives me two heads with horizontal fins and orients the carbs and exhausts in better positions for the 45 degree layout.
I didn't need to do any head work to get a 10.3:1 ratio because the Ducati has a fairly low ratio with domed pistons, so by going with flat top pistons with the extra displacement, the ratio worked out perfectly.”
Here’s what it looks and sounds like.