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go karts engines

Post by Speed Infinite on Thu Mar 26, 2009 9:12 am

Amusement park go-karts can be powered by 4-stroke engines or electric motors, while racing karts use small 2-stroke or 4-stroke engines.

Electric go-karts are low maintenance, requiring only that the lead-acid batteries of the cars be plugged into an array of chargers after each run. Since they are pollution-free and emit no smoke, the racetracks can be indoors in controlled environments. A fully charged electric kart can run a maximum of 20 minutes before performance is affected.
2-stroke kart engines are developed and built by dedicated manufacturers. Comer, IAME (Parilla, Komet), TM, Vortex, Titan, REFO, Yamaha and Rotax are manufacturers of such engines. These can develop from about 8 hp for a single-cylinder 60 cc unit (MiniROK by Vortex) to 90 hp for a twin 250 cc.[1] Today, the most popular categories worldwide are those using the Touch-and-go (TAG) 125 cc units. The recent 125 cc KF1 engines are electronically limited at 16,000 rpm.[8] Most are water-cooled today; however, previously air-cooled engines dominated the sport.
4-stroke engines can be standard air-cooled industrial based engines, sometimes with small modifications, developing from about 5 to 20 hp. Briggs & Stratton, Tecumseh, Kohler, Robin, and Honda are manufacturers of such engines. They are adequate for racing and fun kart applications. There are also more powerful four-stroke engines available from manufacturers like Yamaha, TKM, Biland or Aixro (Wankel engine) offering from 15 hp up to 48 hp. They run to and around 11,000 rpm, and are manufactured specifically for karting. Those are used in some National Championship classes like the two-strokes.
Listen to 2-stroke kart engines - recorded at the 2006 World Championship in Angerville - France

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