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Magneto Timing Position

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  • #31
    Do you have the correct tank and both the inlet and outlet lines on your Tillotson?
    You say you are timing to front cyl compression. Are you using the narrow points cam lobe?
    All the cams should be marked "P" and the number, 1-4 starting from back to front. It is possible for the two piece cams with a pressed on gear to slip, causing problems. A degree wheel will tell the tale.
    Robbie Knight Amca #2736

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    • #32
      Many thanks, good advise.
      Yep, timing to the start of the narrow lobe, yep correct gas tank with the vent that the outlet line of the Tillotson connects to.
      Will try checking the cams.
      Appreciate the advise,
      Regards,
      Tony1967 XLCH.jpg

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      • #33
        Dear Sportster Specialists!
        Might anyone know the difference ( other than the main jet ), between a Big Twin Tillotson, and the Sportster Tillotson?
        Should my 1967 XLCH have a specific Sportster carb??
        Currently I am running an HD 1C, with an 057 jet.
        My factory parts books, note different part numbers: Sporty 27162-66C, and the FLH 27160-66A
        Many thanks!
        Tony Blain #7543.

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        • #34
          Me again.....
          Cams note PB, might this be correct??
          Regards,
          Tony

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