New R/R GS750

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  • Benjisus
    • Feb 2026

    #1

    New R/R GS750

    Hey everyone,

    I recently bought this new battery for my 1978 GS750, I know I will need to update my R/R and was just wondering if the SH775 would work properly with this battery?
  • posplayr
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    • Dec 2007
    • 23673
    • Tucson Az

    #2
    If you bought a 12v LA/AGM battery then Yes .........

    Comment

    • Grimly
      Forum Guru
      Past Site Supporter
      Super Site Supporter
      • Sep 2012
      • 5762
      • Ireland

      #3
      Originally posted by Benjisus
      Hey everyone,

      I recently bought this new battery for my 1978 GS750, I know I will need to update my R/R and was just wondering if the SH775 would work properly with this battery?
      It's a bit of a lightweight for a GS750, which are (iirc) normally specified a 14Ah size and much higher CCA. It will work, but might not last as long as it would if it were heavier duty. Probably fine for summer use, though.

      This one is the size I'd go for.
      Last edited by Grimly; 05-06-2018, 09:18 AM.
      Dave
      '79 GS850GN '80 GS850GT
      Only a dog knows why a motorcyclist sticks his head out of a car window

      Comment

      • hannibal
        Forum Sage
        • Jun 2015
        • 1033
        • Washington DC

        #4
        Dave is right. 14Ah is what the manual calls for. I ran a 12Ah for 2 years without issue. Thought it had died so I sprung for an AGM in the correct size.
        Jordan

        1977 Suzuki GS750 (My first bike)
        2000 Kawasaki ZRX1100
        1973 BMW R75/5

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