How KTM Revolutionized the Two-Stroke Engine Markus Berger. Two-stroke engines used to be ubiquitous in dirt bike racing, ... KTM’s latest fuel-inject 125cc two-stroke motor. KTM ...

As Ryan from the motorcycle-focused YouTube channel FortNine explains, the development of powerful, reliable two-stroke engine construction is directly linked to the onset and end of World War II ...

How hard could it to be to build a two-stroke internal combustion engine (ICE) from scratch? This is a challenge that [Camden Bowen] gladly set for himself, while foregoing such obvious wastes of t… ...

The 2021 KTM 125 XC is a brand new bike added to the Enduro lineup for the model year. After demand for lower class entry other than 250cc, KTM acknowledged that demand and put out the 125 XC. As the ...

The KTM 125 SX is what KTM themselves call the first bike to buy to start your racing career. This 2021 model is a pure racing machine, built with a lightweight chassis and frame cradling a 125cc ...

The two-stroke engine is mostly a piece of history today, ... That’s less power than you’d get out of a Honda Grom with a 125cc four-stroke engine. Yet, ...

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 here is a chart from the Oregon State Marine Board about the way the ban cut the proportion of two-stroke outboard engines on the state’s waters from 70% to 51% in the first three years.