S&S Motorcycle Engines

Dennis Schaefer points out how to identify S&S crankcases and flywheels and what the serial numbers mean.

httpv://youtu.be/zZ6sVRVyXDM

S&S motorcycle engine

Of all the non-Harley-Davison engines, the most popular is the S&S engine. Many motorcycle enthusiast actually consider the S&S engine to be superior to the Harley-Davidson engine. S&S manufacturers quite a new motorcycle engines, but when it comes to the American Ironhorse motorcycles (This custom motorcycle manufacturer is now out of business, but their beautiful custom bikes remain extremely desirable) the most popular engines used were the 111 cubic inch, the 117 cubic inch, and the one 24 in.³. Of these three S&S engines, the 111 was by far the most popular, and considered by many to be the most dependable.

S&S Motorcycle Engines


11 Comments

New Jersey accident lawyer · December 18, 2013 at 8:38 pm

S&S motorcycle engine is made in the USA & considered by many as the best V-Twin motorcycle engine.

Los Angeles injury lawyer · December 18, 2013 at 10:54 pm

S&S motorcycle engines in my opinion are better than Harley motorcycle engines.

Oliver Scalf · September 19, 2016 at 1:15 am

Trying to find out what motor and transmission I have on my bike engine serial number is CEO6J3430 the transmission number is 583402774 if you can help it would be great.

    biker1 · September 27, 2016 at 5:59 am

    Oliver,
    I really couldn’t help, but would suggest that you email a long a couple pictures of the transmission and the engine and we could post it here and see if somebody can help you by recognizing it.

Scott thornton · May 22, 2018 at 11:34 pm

My s&s engine I’d # is *gelp313165* can you tell me what year and engine it is

    biker1 · May 30, 2018 at 6:15 pm

    Best to contact S&S directly, they have been very helpful in the past.

Allison Stenger · July 21, 2018 at 7:02 pm

Trying to identify an s&s big twin superstroke in a Harley Davidson.
The only numbers I can find are a star before the numbers x5384 and a star after the numbers. Can you tell me what cubic engine this is?
Thank you.

    biker1 · July 27, 2018 at 5:05 am

    Probably best to contact S&S directly and see if they can help the serial numbers. They have a real good customer service.

Ray Hood · August 13, 2018 at 1:39 am

My engine number is GDV5943332 and is on a 2000 ultra classic with a 6 speed tranny. Please help me to find what size motor it is. Thanks

Torrey Anderson · January 14, 2019 at 1:26 am

My engine numbers are JC00379. Not sure of the displacement that I have. Thank you

    biker1 · February 21, 2019 at 2:12 pm

    Sorry cannot help. Best to contact S&S directly.

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