top end rebuild

  1. The Mighty Don Allan

    xs400 basketcase first build

    Good day folks! I am very excited to have picked up an almost complete basketcase xs400.. 2 fames (1 with papers), tripple trees, forks, risers, bars, tank, wheels, sprocket, carbs, headers and the engine which needs a top end rebuild, right side piston is pock marked from a blown valve...
  2. H

    NEED PISTONS

    Hey All, Anybody had to buy aftermarket pistons/rings for XS400 (1981) Trying to find a vendor. I want to freshen up the top end. Herb
  3. TimmyT

    SOHC Top End Rebuild Time! Veterans Needed

    Compression test showed 100 psi on the left and 75 on the right. So I took it in my hands to tear the top end down. Set gas tank to PRI and remove (good to have a working petcock). Drained the float bowls and pulled the carbs. Removed ignition coils. Removed top end engine mounts. Then got into...
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