Analysis of information sources in references of the Wikipedia article "Straight-twin engine" in English language version.
in-line Engine layout in which the cylinders are arranged in a row, and in-line with the wheels of the machine... parallel twin A two-cylinder engine layout in which both cylinders are side by side and mounted across the frame.
The twin-cylinder, 623cc petrol engine powering it drives the rear wheels, and sits directly above them to the right of the rear of the car, with a four-speed manual gearbox immediately to its left.
...and the Sunbeam S7, that civilised but low-powered shaft-drive in-line twin that BSA hoped would fill a niche as a gentleman's machine...
Stylish, light, responsive, smooth, and refined, the Speed Twin changed the direction of motorcycle design and dominated it for thirty years.
In some construction layouts the transverse width is the same as a single-cylinder engine, which allows very narrow frames and bodywork with small frontal areas.
The engine is no longer an oversized, vibration-prone single but a smooth and reasonably powerful in-line twin.
Engine specification 4 stroke, parallel twin, auto
Engine specification 4 stroke, parallel twin, auto
The engine is no longer an oversized, vibration-prone single but a smooth and reasonably powerful in-line twin.
...the America utilizes a 270-degree crank. That gives the America a lumpier cadence at idle that's a fair replica of a V-twin beat, although updated balancer shafts keep the vibrations under control.
Powered by a turbocharged 4-stroke Parallel Twin that has half the displacement of the Sea-Doo's supercharged GTX, the lightweight Polaris MSX 150 is almost as fast and $2200 less expensive.
The important power plants will now be 399 to 440cc parallel twins.
Underneath the bodywork, you'll find a 597cc overhead-valve parallel twin with two valves per cylinder, fed by a 34mm carb.
