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911 706cc doa

Discussion in 'Great Lakes U.S.' started by Cafe Murdock, Sep 16, 2020.

  1. 650Skull

    650Skull SSSSSSSSSlither Top Contributor

    Only about 60......not far then.....
  2. gggGary

    gggGary I'm listening, change my mind XS650.com Supporter Top Contributor

    The orifice at the base of the head supply tube being plugged is popular.
    Michael Morse claims a flat track racer made it through a season with a plugged up head oil supply..
  3. Well i belive i found my problem i think my oil pump went out n i didnt realize where i dont have a tach any more but bet ur ass on whos getting a shinny new one but then i looked a bit closer n seen this none of my othe motors have this

    Attached Files:

  4. How cuz belive me wen i say no oul to a head u get wat i have scrap
  5. So i found my problem 100%

    Attached Files:

    TwoManyXS1Bs likes this.
  6. I just need an opinion as to weather this bottom end is even usable now any help or thoughts r appreciated
  7. Bushyeyed1

    Bushyeyed1 Cafe Racer XS650.com Supporter Top Contributor

    Personally I wouldn’t reuse it, because if it were to fail again that would suck as much as it did this time.
  8. I mean just the bottom end only crank con rods gears n clutch that sorta stuff
  9. joebgd

    joebgd XS650 Addict

    I'm no sure, someone will know, if the tachometer is eliminated does the gear that drives it have to remain in place in order for oil pump to operate?
  10. Bushyeyed1

    Bushyeyed1 Cafe Racer XS650.com Supporter Top Contributor

  11. 650Skull

    650Skull SSSSSSSSSlither Top Contributor

    No ........the shaft can be taken out...........

    because the XS650 hardly creates any oil pressure when warmed up, a pressure gauge is all but useless, so a taco is about the only thing that can indicate a broken oil pump.
    joebgd likes this.

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