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  1. #1
    mike109's Avatar
    Join Date
    Jul 2004
    Dubbo, New South Wales, AUSTRALIA

    Magnum 61 four stroke rides again.


    I have been wrestling with a Magnum 61 four stroke for about a year now. Its inlet valve was leaking. It would run but it was not really happy and it could be clearly heard leaking when it was turned over.

    Initially I tried the old "lap the valves with tooth paste" trick. Twice. No go. So I pulled it out of its model (Great Planes Slow Poke 40) and put a new OS 62V engine in.

    Recently I was buying a few things from Hobby King and there were new heads for $23 so I ordered one. It turned up yesterday and I fitted it in a few minutes.

    After adjusting the valve clearances (quite different to the original head), I put it in the test stand, fitted an old MA 13 x 6 prop and fired it up. It ran really well.

    So this one won't be going as a boat anchor after all. As a really low cost engine I was wary of spending more money on it but it seems my $23 was well spent. It is now in a Senior Telemaster ready to go.


    Mike in Oz

    \"I just had no control. Must be the radio.\" Club Saito #597 Kadet Brotherhood #66

  2. #2

    Join Date
    Nov 2005
    Floroe, NORWAY

    RE: Magnum 61 four stroke rides again.

    I did the same thing with my old and worn ASP 91 fs, it`s like new again now. Those spare parts from hobbyking are really cheap[8D]

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