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The 3 most influential two-wheelers in history, are:
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Cylinder and piston health – compression check VS leak check

Compression check is probably the first thing that comes to mind when coming to check a motorcycle. Compression check is done by removing all the plugs in an engine, and inserting a compression gauge on the cylinder. The starter is then engaged, spinning the engine and the piston is producing a compression which is tested. […]

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2 Stroke engine explained

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Engine torque explained (also power, speed and the connection between them)

When discussing torque, do you scratch your forehead? Think about horsepower? Other topic of conversation? It can indeed be confusing. Although torque is the turning force that causes acceleration , it is not necessarily that the engine with the higher torque will have more power or be faster.

I’ll try to explain about torque and […]

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Square, Oversquare and Undersquare engines

Square, Oversquare and Undersquare are terms that describe the ratio of it’s bore and stroke. Bore is the cylinder’s diameter, and Stroke is the piston’s travel from the very top, to the very bottom:

square engine has the exact bore and stroke dimensions undersquare is when the stroke length is longer than the bore oversquare […]

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Ducati L type twin engine at work

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