air intake

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  • stevebkillen
    • Jan 2026

    #1

    air intake

    anyone know what size air intake filters to buy for my 78 GS 750? I put in big bore 850 and re-built top end. replacing airbox in my re-build. thanks...
  • steve murdoch
    Forum Guru
    Past Site Supporter
    • May 2004
    • 8491
    • St. Catharines, On.

    #2
    You will need 42mm filters for the stock carbs.
    Get them from APE or very high dollar K&N.
    Many stories here on cheap Emgo filters rapidly deteriorating or difficulty in tuning.
    2@ \'78 GS1000

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