The 2012 Neo's 4 brings another engine flavor to Yamaha Europe's roster: the 4-stroke liquid-cooled 49cc version of the Neo's original power plant, now with lower emissions and exceptional economy.

Polaris Outlaw 50 – This is a 49cc single-cylinder 4-stroke mini quad with ... has been improved to accommodate the increased speed. It houses an 89cc 4-stroke single-cylinder engine with electric and ...

A patent from Porsche shows it is working on an innovative yet complex new engine based on a six-stroke principle ...

Tough just like its bigger 125cc-class brother, the 2014 MY Yamaha Zuma 50F also boasts on a 4-stroke 49cc highly-capable engine which makes this two-wheeler great for both commuting and zooming ...

The simple construction of a single-cylinder engine (both for two-strokes and four ... This Honda is powered by a humble four-stroke single that churns out eight horses. Coupled with a 4-speed gearbox ...

Intake, compression, power, then exhaust. Every 4-stroke engine ever made – about 80% of all engines currently in existence – function on this principle – even rotary engines. But now ...

Engine 49cc single cylinder Power 4.5 horsepower Torque 2.4 pound feet Weight It’s a ... wanted to do it their own way, using a four-stroke engine when the rest of the grid was using two-strokes, ...

United Launch Alliance’s next-generation Vulcan Centaur rocket… Read More Jeff Bezos’ Blue Origin space venture confirmed that one of its BE-4 rocket engines suffered a significant anomaly ...

Along with a TIG welder and mechanical ingenuity bordering on genius-level, all of which come to bear on this fridge compressor to four-stroke engine build. The video posted by [Let’s Learn ...

The 4-H Small Engine project creates the education and hands-on opportunity for youth to learn all about engines. In this project youth will identify and discover the function of different engine ...