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Where do you dig all this stuff up Max, there is a huge offset between the cylinders.
G'day Max and Norm,
Norm, all I know is that 'Max has his ways' [said with German accent ...].

Max, Many thanks. Twin 2-strokes are not that common on lawnmowers.
I have done quite a bit of research on Leonard Goodall.
The Maytag twin is the only other two stroke engine I know of used on a lawnmower.

I'm not sure whether the first two images incorrectly describe the engine make
as a lawnmower brand. I do not think Maytag made lawnmowers ...?

Goodall certainly did, and he used Maytag engines.
Maytak were big on washing machines and still survive to this day.

https://www.maytag.com/

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Hmm “Hi-Jack†is a powered ultralight aircraft driven by a horizontally opposed twin cylinder Skylark motor.
Max, when I hear 'Hijack' I normally duck for cover.

I suspect someone will respond with 'Hi, Jack'.
That Skylark motor must be of great historical interest.

Many thanks for digging the rich dirt here!
Brilliant and rich soil.

Cheers
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Jack