BIG BORE... SHORT STROKE...
With a wide bore comes a wide combustion chamber and greater flexibility in designing valve layout.
This increased intake area permits greater engine efficiency, higher rpm and more horsepower.
Normally, more horsepower means more heat. The big-bore, short-stroke engine has the answer for that. Because a short-stroke engine's pistons travel less distance per revolution, piston speed is reduced. With lowered piston speed, there's less than normal heat build-up from friction at any given rpm, less piston wear and reduced piston fatigue from heat.
The short-stroke engine uses shorter connecting rods so it can be made lighter and more compact.
It revs higher, allows for multiple-valve head design and produces more power.
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