Two-stroke engines used to be ubiquitous in dirt bike racing, thanks to their lightweight construction and horsepower. Packed in a dirt bike frame, they make a motorcycle playful in the corners ...

Markus Berger That said, these Austrian two-stroke machines aren’t fuel-injected in the same way as your car. Under the hood, most modern engines feature direct injection, where fuel is squirted ...

But now there’s a glimmer of hope. Earlier this month, Honda submitted a patent application for a brand new two stroke motor that uses direct fuel injection for a cleaner burn and better piston ...

This is great news for two-stroke engines. They have a new lease on life while emission regulations get more and more strict worldwide. Fuel injection means cleaner emissions, better fuel economy ...

Put this in your expansion chamber and smoke it: KTM (and brand-family sibling Husqvarna) has loaded its two-stroke SX model lineup with proper Electronic Fuel Injection (EFI); Not, Transfer Port ...

However, the big two-stroke's sudden rush of power made it ... However, Husqvarna uses efficient electronic fuel injection (EFI) to replace old-school carburetion with selectable engine mapping ...

Electronic fuel injection is older than you think ... While the Bosch system debuted on two small-displacement, two-stroke cars in the early Fifties, it was under the hood of a Mercedes-Benz ...

Continued refinement led to two and then four-barrel configurations ... As far back as 2003, Honda developed its first fuel injection system for a 50cc 4-stroke engine, and the major chainsaw ...