PART FIVE - The Four Strokes

These must be the rarest of all the Model 19 Bonmows - the four-strokes.
A 4-stroke version was offered from the 1957-58 lawn mowing season. These were powered
by a Villiers Mk10 engine. I have found little advertising for these machines; probably
because they were significantly dearer than their 2-stroke and electric counterparts.

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Here are some photos of an original Model 19 Bonmow 4 stroke.
Note the extra engine base plate, used to accommodate the longer oil sump. The machine
also appears to have a steel front roller with bearings.

Photographs kindly supplied by member Yellow.

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TO BE CONTINUED ...