To make a Harley-Davidson clutch easier to pull, try cable lubrication and adjustment, easy pull clutch kits, hydraulic ...

You should not use automotive oil in a motorcycle engine. Here’s what can go wrong, from reduced lubrication to accelerated ...

This bike was followed by the H2 SX and Z H2, which offered the same supercharged rush in a more road-friendly manner. What ...

Honda has come up with a electronic forced-induction V3 motor that we’re probably going to see in a future sportbike. Honda revives the rare V3 engine layout with a modern, four-stroke, ...

The only forced-induction production motorcycle engine today comes from Kawasaki. But judging from new patents, this segment of hyper-performance mills will soon expand. Honda seems to be cooking up ...

Motorcycle engines live and die by how well they shed heat, and the choice between liquid and air cooling shapes everything from performance to maintenance. Riders weighing a new purchase or planning ...

Diesel engines like the 3.0L Duramax require special maintenance, including the use of DEF, or Diesel Exhaust Fluid. Now, GM ...

Preparing for EPA 2027? API’s new PC-12 spec (CL-4 and FB-4) introduces ultra-low viscosity 0W-20 oils and stricter emissions ...

When Tom Nelson recently posted pictures and a video on Instagram of this unique engine he’d just finished, we knew we had to stop by for a closer look. A cursory glance at those unmistakable valve ...

United Airlines Flight 803, which was headed to Tokyo, safely landed at Washington Dulles International Airport on Saturday, officials said. By Mark Walker and Aimee Ortiz A flight bound for Tokyo ...