This 1940 - 1947 Harley-Davidson Big Twin Service Manual is published by Harley-Davidson.

The factory shop/service/chassis/assembly manuals were originally written for the auto maker's mechanics, so they are comprehensive.

This title is very desirable for anyone doing a restoration or the mechanic that needs to work on the referenced motorcycle.

For application questions, please refer to the fitment details included.

MODELS COVERED:

• 1940 Harley-Davidson EL Knucklehead Special Sport Solo 61ci (1000cc)
• 1940 Harley-Davidson ES Knucklehead Sidecar 61ci (1000cc)
• 1940 Harley-Davidson Model U 74 SV (1214cc)
• 1940 Harley-Davidson Model UA US Army 74 SV (1214cc)
• 1940 Harley-Davidson Model UH 80 SV (1312cc)
• 1940 Harley-Davidson Model UL 74 SV (1214cc)
• 1940 Harley-Davidson Model ULH 80 SV (1312cc)
• 1941 Harley-Davidson EL Knucklehead Special Sport Solo 61ci (1000cc)
• 1941 Harley-Davidson ES Knucklehead Sidecar 61ci (1000cc)
• 1941 Harley-Davidson FL Knucklehead Special Sport Solo 74ci (1214cc)
• 1941 Harley-Davidson FS Knucklehead Sidecar 74ci (1214cc)
• 1941 Harley-Davidson Model U 74 SV (1214cc)
• 1941 Harley-Davidson Model UH 80 SV (1312cc)
• 1941 Harley-Davidson Model UL 74 SV (1214cc)
• 1941 Harley-Davidson Model ULH 80 SV (1312cc)
• 1942 Harley-Davidson E Knucklehead Solo 61ci (1000cc)
• 1942 Harley-Davidson EL Knucklehead Special Sport Solo 61ci (1000cc)
• 1942 Harley-Davidson F Knucklehead Solo 74ci (1214cc)
• 1942 Harley-Davidson FL Knucklehead Special Sport Solo 74ci (1214cc)
• 1942 Harley-Davidson Model U 74 SV (1214cc)
• 1942 Harley-Davidson Model UL 74 SV (1214cc)
• 1943 Harley-Davidson E Knucklehead Solo 61ci (1000cc)
• 1943 Harley-Davidson EL Knucklehead Special Sport Solo 61ci (1000cc)
• 1943 Harley-Davidson F Knucklehead Solo 74ci 1214cc
• 1943 Harley-Davidson FL Knucklehead Special Sport Solo 74ci (1214cc)
• 1943 Harley-Davidson Model U 74 SV (1214cc)
• 1943 Harley-Davidson Model UL 74 SV (1214cc)
• 1944 Harley-Davidson E Knucklehead Solo 61ci (1000cc)
• 1944 Harley-Davidson EL Knucklehead Special Sport Solo 61ci (1000cc)
• 1944 Harley-Davidson F Knucklehead Solo 74ci (1214cc)
• 1944 Harley-Davidson FL Knucklehead Special Sport Solo 74ci (1214cc)
• 1944 Harley-Davidson Model U 74 SV (1214cc)
• 1944 Harley-Davidson Model UL 74 SV (1214cc)
• 1945 Harley-Davidson E Knucklehead Solo 61ci (1000cc)
• 1945 Harley-Davidson EL Knucklehead Special Sport Solo 61ci (1000cc)
• 1945 Harley-Davidson ES Knucklehead Sidecar 61ci (1000cc)
• 1945 Harley-Davidson F Knucklehead Solo 74ci (1214cc)
• 1945 Harley-Davidson Model U 74 SV (1214cc)
• 1945 Harley-Davidson Model UL 74 SV (1214cc)
• 1946 Harley-Davidson E Knucklehead Solo 61ci (1000cc)
• 1946 Harley-Davidson EL Knucklehead Special Sport Solo 61ci (1000cc)
• 1946 Harley-Davidson ES Knucklehead Sidecar 61ci (1000cc)
• 1946 Harley-Davidson F Knucklehead Solo 74ci (1214cc)
• 1946 Harley-Davidson FL Knucklehead Special Sport Solo 74ci (1214cc)
• 1946 Harley-Davidson FS Knucklehead Sidecar 74ci (1214cc)
• 1946 Harley-Davidson Model U 74 SV (1214cc)
• 1946 Harley-Davidson Model UL 74 SV (1214cc)
• 1947 Harley-Davidson E Knucklehead Solo 61ci (1000cc)
• 1947 Harley-Davidson EL Knucklehead Special Sport Solo 61ci (1000cc)
• 1947 Harley-Davidson ES Knucklehead Sidecar 61ci (1000cc)
• 1947 Harley-Davidson F Knucklehead Solo 74ci (1214cc)
• 1947 Harley-Davidson FL Knucklehead Special Sport Solo 74ci (1214cc)
• 1947 Harley-Davidson FS Knucklehead Sidecar 74ci (1214cc)
• 1947 Harley-Davidson Model U 74 SV (1214cc)
• 1947 Harley-Davidson Model UL 74 SV (1214cc)

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