Camshaft specs include lift, duration, and lobe separation angle (LSA). Lift and duration are relatively easy to understand, while LSA is more complicated.

TVS Motor Company has entered the adventure motorcycle segment with the all-new Apache RTX, a 300cc rally tourer blending the Apache’s racing DNA.

Shelby’s legacy extends way beyond Cobras, Mustangs, and winning LeMans. It’s about time Shelby trucks got noticed too!

A new, retro-inspired performance machine with a character all of its own – the Honda CB1000F is an easy-handling, big naked that ticks all the right boxes thanks to its evocative styling, rich ...

The new model onslaught continues unabated from CFMoto and this one has a bit of an attitude! Meet the CFMOTO 675 NK. Tested and reviewed.

Suzuki has given its venerable DR-Z400SM a proper revamp (and a new name) for 2025. That means that is time to go for many, many skids on the new Suzuki DR-Z4SM.

Honda’s big-bore Rebel cruiser trio receive a renewed colour line-up for 26YM, keeping the popular Custom fresh for the new year.

In this video, I take on an exciting engineering challenge: combining two internal combustion engines into a single opposed-piston engine. This unique project improves balance, reduces vibrations, and ...

In the American automotive industry, the Ford-Navistar breakup, which led to the two companies parting ways in 2009, is a notable example of a great partnership turned sour. What had started as a ...

Isaac Atienza is a Filipino motoring journalist who joined TopSpeed.com in 2021. He also owns a Filpino motoring website called Go Flat Out PH and is also a contributor to a local newspaper called The ...

Finnish manufacturer Wärtsilä introduced an engine back in 2015 that was so good, it snagged a Guinness World Records title for being the most efficient four-stroke diesel engine shortly after its ...