In the exhaust stroke, the exhaust valve is open and the combustion products are expelled from the cylinder. The sequence shown on the next page represents this behavior for a Mitsubishi direct ...

Virtually every modern street motorcycle utilizes a four-stroke engine. For more information on cylinder configuration and motorcycle types, check out our guide to everything you need to know before ...

Read more: Popular Synthetic Oil Brands Ranked Worst To Best A four-stroke engine uses four motions of a piston to complete one cycle of combustion. The first stroke of a cycle is the intake.

The phrase "Atkinson cycle" is as synonymous with hybrids as the words "Toyota" and "Prius". But what does that even mean and ...