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Holy Carp!

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  • Holy Carp!

    After putting a measley 30k on my engine, it died. Spun the #1 conrod bearing and the #1 crank bearing. At this point I am not sure what caused it. Methinks the conrod bearing went south and the resultant knocking took out that end crank bearing. Could be the other way around though.The first journal on the crank is galled up, indicating it was a loss of lubrication, and the conrod is the same way, however that journal on the crank is pretty as you please.

    My only guess, and its just a guess, is that the oil hole behind the seal on that side got covered by the thicker seal and somehow caused the starvation. However, I was under the impression that was a return hole. It doesn't make sense to use that seal to hold full oil pressure.

    Weird.

    All told, the crankcase halves, the crank, the conrod and the bearings are shot.

    I don't know how many miles were on it before I got the engine, so it may have considerably more than 30k.
    Ich habe dich nicht gefragt.

  • #2
    What

    year is the engine? I have 78, 79, and an 80. Condition is suspect on all. Don't know if that would help. Also have loose rods and pistons including 4 NOS rods but I bet Tod has all that and is closer. Hollar if I can help.
    '81 1100 MNS - "Midnight XSpress"
    Original except:
    120 mains outer cylinders - 125 mains inner cylinders - Ceramic headers - Powder coated pipes, covers calipers, and MC's
    4 pods - Air box gutted--E3 Plugs - High Back seat - Grooved out swing arm - SS brake lines
    Fork brace - 160 speedo - Auto CCT
    All gold paint and chrome replaced with GOLD plate

    "STUPID is Forever" Ron White.
    Contact me by PM -I don't deal with stupid anymore.

    Big John

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    • #3
      Its titled as an 81 special, but has an 80L frame. The engine is an 80 standard.

      I appreciate the offer, and will keep you in mind. My first source will be asking Karla if she has any, since she is close and I might get a chance to look around the shop again. I think she is using the parts sales as a bit of income as well. Plus I might get to look around the shop again. The shop is way cool.

      I think I have everything except the cases if worse comes to worse, but it would be much less labor intensive to just swap the engine. That would keep the bearings matched as well.
      Ich habe dich nicht gefragt.

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      • #4
        Sorry to hear that Ivan........of course not REALLY knowing the history and how it was taken care of or abused, who knows, damage could have been started prior to your ownership and it lasted longer than other makes would have.......hey, gotta give the XS11 benefit of the doubt anyway.
        81H Venturer1100 "The Bentley" (on steroids) 97 Yamaha YZ250(age reducer) 92 Honda ST1100 "Twisty"(touring rocket) Age is relative to the number of seconds counted 'airing' out an 85ft. table-top.

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