Frank Kaisler was one of the most knowledgeable guys about all things Harley-Davidson you could ever meet, but was equally just as nice and humble. From his unique builds, to his extensive knowledge of building, tuning, and maintaining various V-Twin engines, Frank left a huge mark in the chopper community before his passing about a year ago. Luckily for those who never got to benefit from Frank’s extensive knowledge in person, he made some amazing Do It Yourself Tune and Service Guide videos, like this one for the Ironheads.
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