Hmmm
When the new 125cc Victa engine was introduced the company advertised it as
2� h.p., more than double the rating of the 98cc Villiers Midget.
Mysteriously, within a couple of years, that engine became 3.6 h.p.!
I do not believe that this could have been due to changes made in that
time: ignition, fan-forced cooling, etc.
Maybe this new rating was achieved 'on the bench' at 7,000 rpm.
In any case, Victa were the masters of marketing hype and puffery.
Well spotted Dieselboy.
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Jack