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 and ...

As promised back in March, KTM has unveiled a fuel injected two-stroke engine that's expected to give four-strokes a good run for their money. Available in 250 and 300 cc capacities, the new ...

November 21, 2005 The 2/4SIGHT engine concept is based on an innovative combustion system combined with advanced valve train and control technologies, enabling automatic switching between two- and ...

They are here! KTM has unveiled the world’s first serial production fuel injected 2-stroke motorcycles with its EXC TPI (Transfer Port Injection) range for 2018 model year. The upcoming KTM 250 EXC ...

If you own an '81-'90 4.2L (258ci)-powered Jeep, there's something lurking behind your local Mopar dealer's parts counter that will interest you. It's called the Mopar Performance Jeep 4.2 Liter ...

Have you ever wondered why you need to add oil to your chainsaw’s fuel supply? Or why some dirt bikes have a higher pitched exhaust note than others? We’ve all been burdened with yard work or been ...