Watch this miniature 4-stroke OHV gasoline engine from Stirlingkit transformed into a fully working generator. A fascinating ...

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We may receive a commission on purchases made from links. From its debut in 1997 until it was discontinued towards the end of 2020, the Honda GCV160 was a popular small 4-stroke gas-powered engine.

Designed for hand-held equipment, the GX25 mini 4-stroke engine weighs only 6 pounds and features a .29-kW/kg power-to-rate ratio. It replaces the GX22. Mechanical decompression provides easy start-up ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...

A detailed test of a compact 4-stroke OHV gasoline engine converted into a functional generator for experimental projects.