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Replies

  • Compressions are far too low.

    I would suspect either worn out piston rings and/or badly adjusted or burnt out valves.

  • yes i know that should be 85 to 120 psi  but till i got clearances for pistons and ring and valves i do not want pull it a part

    • See here:

      http://honda-gx-spb.ru/d/649583/d/instrukciya_po_ekspluatacii_honda...(eng).pdf 

      Page 17 lists valve clearances. 0.10 thou inlet, 0.15 thou exhaust (COLD).

      You may have to cut and paste the link as it isn't linking correctly automatically.

      • PRO Supplier
        Valve clearances are critical on this engine, but on some models the covers also run extremely close and any slight dents can cause this problem as the engine warms up and expands. When you remove to check clearances be sure to check that there are no dents.
  • when i bought this in the spring it started and ran fine . i was told it had just been rebuild new pistons rings time belts the lot but after using it for a couple times if you stop it hot it will not restart .

    i am hoping that it is something simple to fix as i really have not got the time to pull the whole engine to bits .

    when i worked in the trade i seen engines rebuild with pistons put in the wrong way around rings fitted upside down the list is endless . it may well have to wait till winter when  i may have time to strip it right down . is there timing marks for the valve timing there manual i found online did not show anything that be helpful

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