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Yamaha MX & Off-Road Dirt Bikes
2003 YZ250 Just Bought One....
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[QUOTE="XRpredator, post: 1298866, member: 19389"] well, here's the deal: Today, internal combustion engines in cars, trucks, motorcycles, construction machinery (and many others), most commonly use a four-stroke cycle. The four strokes refer to intake, compression, combustion and exhaust strokes that occur during two crankshaft rotations per working cycle of the engine. The four steps in this cycle are often informally referred to as "suck, squeeze (or squash), bang, blow". The two-stroke internal combustion engine differs from the more common four-stroke engine by completing the same four processes (intake, compression, combustion, exhaust) in only two strokes of the piston rather than four. This is accomplished by using the beginning of the compression stroke and the end of the combustion stroke to perform the intake and exhaust functions. This allows a power stroke for every revolution of the crank, instead of every second revolution as in a four-stroke engine. now you know. [/QUOTE]
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Dirt Bike Discussions By Brand
Yamaha MX & Off-Road Dirt Bikes
2003 YZ250 Just Bought One....
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