Back when we started to get serious about competing in the V-Twin drag racing scene, there were four or five manufactures making engine cases, heads, crank/flywheel assemblies, and connecting rods, along with other parts for large cubic inch competition V-twin engines. At the time, the largest factory engines from Harley-Davidson were 80 cubic inch big
Getting more motorcycle-based business is not at all difficult. Your automotive background will serve as an excellent base of knowledge, and demand is building for powersports engine machining as well as metric and European street bike work.
As it related to valve seats, it is important to know a bit about the different materials used and when and where it is appropriate to use them.
The Harley-Davidson cylinder head aftermarket is broad and deep with offerings from mildly modified stock castings to all-out racing billets. We see the whole range of this market on a daily basis here at GMS.
What we will be covering here is a general overview of the most common practices and procedures we use in servicing and rebuilding Harley-Davidson engines and things that are unique to V-twin.