It is often easier to find an inline four-cylinder motorcycle among premium bikes. In the affordable midsize segment, though, their presence is slowly fading. Options are few and disappearing faster ...

The end is here, as Yamaha has killed its legendary inline four-cylinder engine in its MotoGP race bike. After the rest of the MotoGP field forsake their own inline engines for the dominant V4 ...

The Industrial Revolution's strides produced many miracles. Advancements in metallurgy and improved technological practices made the mass production of precision parts possible and, with time, ...

Back during WWII, Chrysler bodged five inline-6 engines together to create the powerful A57 multibank tank engine. [Maisteer] has some high-revving inline-4 motorcycle engines he’s trying to put ...

Back during WWII, Chrysler bodged five inline-6 engines together to create the powerful A57 multibank tank engine. [Maisteer] has some high-revving inline-4 motorcycle engines he’s trying to put ...

With most big motorcycle manufacturers pivoting away from small-displacement inline-4 engines, it came as a pretty big ...