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Find The Best - Jet skiing info
Category: Sport and Leisure > Jet Skiing
Date & country: 23/08/2013, US
Words: 10

Supercharged Engine

Bore and Stroke
Width and depth of the individual cylinders of an engine

Compression Ratio
The compression ratio indicates how much of a volume change the fuel-air mixture experiences inside the cylinders of an engine due to the moving pistons. In general, the higher this ratio is, the more powerful an engine of a certain displacement will be.

Cooling System
Open-loop cooling systems directly use the water that the jet ski is in to cool the engine, while closed-loop systems use an internal water source for cooling. When riding in salt water, open-looped systems require maintenance after each ride in order to prevent the jet ski from corroding internally. Closed-looped systems instead require less frequent maintenance that involves changing the internal cooling fluids.

Engine Size

The ignition refers to the system that ignites the fuel and starts the engine. Digital ignition models are generally the best because they allow for greater timing flexibility and better engine performance.

The impeller is the internal propeller of a jet ski. In genereal, stainless steel impellers are more durable and more expensive than aluminum ones, while also offering a bit more torque.

Wet sump lubrication is simple and inexpensive but allows for long-term wear, damage, and drag. Dry sump is a more complicated and expensive lubrication system but it prevents this long-term destruction. Semi-dry sump is similar to dry sump but it allows for a more compact engine.

Riding Position
This refers to whether the passengers are seated or standing

Engine Cycle: 2-stroke or 4-stroke