Suter MMX 500 two-stroke

Two-stroke engines making comeback

Two-stroke engines were phased out by tough pollution laws and fuel economy targets, but they could be making a comeback with KTM, Honda and boutique builders. KTM and Honda have both registered patents for direct-injection two-stroke engines. In 2015, Honda filed a patent for a new two-stroke motor using direct fuel injection for a cleaner burn and …

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Suter MMX 500 two-stroke

Two-stroke race bikes for super-rich

It seems there is a lucrative market in making limited-edition GP race bikes for super-rich clients, with two European companies making two-stroke racers. While Honda has produced the quarter-million-dollar, road-legal, four-stroke RC213V-S MotoGP replica, German company Ronax and Switzerland ‘s Suter Racing have gone down the retro two-stroke road. The Ronax 500 is powered by …

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Toyota Prius hybrid and 2-stroke and hybrid motorcycle patents

Two-stroke and hybrid engines planned

Tougher emissions laws are forcing motorcycle companies to rethink the future of the bike with Honda considering a return to two-stroke and Suzuki looking at hybrids like the Toyota Prius. Honda has resurrected hopes of a return to lightweight two-stroke bikes by filing a patent for a new two stroke motor using direct fuel injection …

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Ronax 500 two-stroke superbike

Two-stroke road-legal superbike

  Just when you thought two-stroke was dead, German company Ronax has produced a 500cc two-stroke machine that is road legal but wouldn’t be out-gunned on the MotoGP grid. SEE ALL THE PHOTOS HERE The Ronax 500 is powered by a fuel-injected 500cc two-stroke V4 with 119kW at 11,500rpm. Yet it weighs only 145kg (dry) …

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Bultaco Rapitan prototpye electric motorcycle

Bultaco motorycles return to production

Spanish motorcycle manufacturer Bultaco is back, but not as you would expect. Instead of two-stroke off-road bikes for which they were famous, Bultaco will initially produce electric road motorcycles developed with the help of a train specialist. The first will be various versions of an electric Light Bike, followed by the Electrical Urbanmotard based on …

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