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TSB on 1980 engine knock at cruising speed

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  • TSB on 1980 engine knock at cruising speed

    Someone posted a TSB about a detonation issue in the 1980 engine at cruising speeds a few years back. I searched for it but couldn't find it

    Anyone know how to access it?
    Greg

    Everybody is a genius. But if you judge a fish by its ability to climb a tree, it will live its whole life believing that it is stupid.”

    ― Albert Einstein

    80 SG Ol' Okie;79 engine & carbs w/pods, 45 pilots, 140 mains, Custom Mac 4 into 2 exhaust, ACCT,XS850 final drive,110/90/19 front tire,TKat fork brace, XS750 140 MPH speedometer, Vetter IV fairing, aftermarket hard bags and trunk, LG high back seat, XJ rear shocks.

    The list changes.

  • #2
    Greg,

    This is all I could find. I think there was a thread more recent but maybe not. Time Flies
    These touch on the subject. Maybe one of these is the one you were looking for.

    http://www.xs11.com/forum/showthread.php?t=23277

    http://www.xs11.com/forum/showthread.php?t=42098

    I will look more for any TSB tomorrow.

    Jeff
    78' XS1100 E
    78' XS1100 E
    78' XS1100 E

    '73 Norton 850 Commando
    '99 Triumph Sprint ST
    '02 G-Wing GL1800

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    • #3
      Found it in at least one place

      It's in this post:

      http://www.xs11.com/forum/showthread...ht=preignition

      -Mike
      _________
      '79 XS1100SF 20k miles
      '80 XS1100SG 44k miles
      '81 XS1100H Venturer 35k miles
      '79 XS750SF 17k miles
      '85 Honda V65 Magna ~7k miles
      '84 Honda V65 Magna 48k miles (parts bike)
      '86 Yamaha VMAX 9k miles

      Previous: '68 Motoguzzi 600cc + '79 XS750SF 22k miles +'84 Honda V65

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      • #4
        If you put a restrictor in the vacuum line it may lessen or eliminate the noise.
        2H7 (79) owned since '89
        3H3 owned since '06

        "If it ain't broke, modify it"

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