Two-stroke engines were phased out by tough pollution laws, but they could be making a comeback with KTM, ... The Ronax 500 is powered by a fuel-injected 500cc two-stroke V4 with 119kW at 11,500rpm ...

A V4 engine is rare. Ducati is the evangelist of this engine format, and it uses it only in its premium models. Aprilia is another manufacturer that makes use of this format. There was one other ...

Read about the new two-stroke tech that could herald a return of the epic-sounding bikes of yore. MCN. Reviews For sale News Insurance. ... European Low Emission V4 Automotive Two-stroke Engine.

Love them or hate them, two-stroke engines played a crucial role in 20th Century motorcycles. But which ones were the cream of the crop? Find out here. ... The RD (Race Developed) model uses a 50˚, ...

Powered by a 576 cc V4 two-stroke with two counter rotating crankshafts, ... Even more intriguing is the undersquare geometry of the engine’s cylinders; at 56 x 58.5 mm (2.2 x 2.3 in) ...

The chassis is similar to that used on the Ilmor X3 and it is part of a real MotoGP bike that weighs 125 kg/ 275.5 lbs and benefits of precisely 200 hp developed by the two-stroke V4 of 500cc.

Jack Baruth at Road & Track has taken a deep dive into Motus’ small block LS-based V4 engine and the possibilities of such a powertrain—and boy, are the possibilities endless. For the ...

In a two-stroke engine, ... Still, some manufacturers have developed V4 engines for those who want torquey power in their four-cylinder. The Ducati Panigale V4 uses one, ...

In this tech article HOT ROD takes a look at the Katech-Motus KMV4, which is a brand-new V4 motorcycle engine, ... and a stroke of 70 mm (2.7559 inches) for a displacement of 1,645 cc, ...

The last time Yamaha raced a V4 engine in grand prix was the YZR500 two-stroke, before switching to the same Inline format as its production Superbikes for the start of the four-stroke MotoGP era.