1980 "dreaded" petcock prime?

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  • Charlie G
    Forum Guru
    Past Site Supporter
    Super Site Supporter
    • Feb 2009
    • 6440
    • Siskiyou county

    #1

    1980 "dreaded" petcock prime?



    I've read a few post about the "Dreaded" 1980 petcock. This is on my 1980 450e. Is the prime function in the brass screw? How does this thing prime?

    Charlie G.
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    83 GS1100g
    2006 Triumph Sprint ST 1050

    Ohhhh!........Torque sweet Temptress.........always whispering.... a murmuring Siren
  • Nessism
    Forum LongTimer
    GSResource Superstar
    Past Site Supporter
    Super Site Supporter
    • Mar 2006
    • 35787
    • Torrance, CA

    #2
    The "dreaded" 1980 petcock is the one without the lever. You got the "good" 1980 petcock.

    I'm not sure how the prime feature works but have to ask if you looked in the factory service manual for the answer? If you don't have the manual go to basscliff's site and download it.
    Ed

    To measure is to know.

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    • hampshirehog
      Forum LongTimer
      Past Site Supporter
      • Oct 2007
      • 12675
      • Hampshire. UK

      #3
      As Ed says, you've got the 'good' 1980 fuel tap. The screw is indeed the prime.
      79 GS1000S
      79 GS1000S (another one)
      80 GSX750
      80 GS550
      80 CB650 cafe racer
      75 PC50 - the one with OHV and pedals...
      75 TS100 - being ridden (suicidally) by my father

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