Jet Skiing

Kawasaki Ultra issues

The Knock on Knock Sensors (and recent Kawasaki Ultra Issues)

Most modern four-stroke engines utilize a knock sensor to warn operators of possibly impending engine damage due to detonation. Detonation, sometimes referred to as “pre-ignition,” occurs when fuel (and air) ignite before the spark plug in defiance of ignition timing. This artificially creates an entirely unwanted explosion which is then exacerbated by the actual ignition …

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Yamaha supercharger rebuild

Yamaha Supercharger Rebuild: Price, Intervals, Kit [Sea-Doo Comparison]

Supercharged personal watercraft provide exhilarating acceleration and performance – and a bit more concern for owners. Yamaha WaveRunner SVHO owners have less cause than others, however, as the chance of a supercharger failure is quite slim and the possibility of said failure causing extensive engine damage is essentially non-existent due to Yamaha’s superior design. While …

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