K.S.Biker Blogg: Sig Workshop Online

The Big V-Twins

F-head
also known as JD, pocket valve and IOE
(intake over exhaust), 1914-29 (1,000 ccm)
and 1922-29 (1,200 ccm)

Flathead
1930-1948 (1,200 ccm) and 1935-41
(1,300 ccm).

Knucklehead
1936-47 61 cubic inches (1,000 ccm)
and 1941-47 74 cubic inches (1,200 ccm)

Panhead
1948-52 61 cubic inches (1,000 ccm)
and 1948-65, 74 cubic inches (1,200 ccm)

Shovelhead
1966-85, 74 cubic inches (1,200 ccm)
and 82 cubic inches (1,345 ccm) since late 1978

Evolution
(aka "Evo" and "Blockhead"), 1984-99
80 cubic inches (1,340 ccm)

Twin Cam 88
(aka "Fathead") 1999-2006, 88 cubic inches
(1,443 ccm)

Twin Cam 88B
(counter balanced version of the Twin Cam 88)
2000-2006, 88 cubic inches (1,443 ccm)

Twin Cam 96
2007-present, 96 cubic inches (1,584 ccm)

K.S.Biker Blogg

17 november 2011

Sig Workshop Online

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