A detailed test of a compact 4-stroke OHV gasoline engine converted into a functional generator for experimental projects.

Every car engine has quite a few details, ranging from cylinder count to compression ratios. How does changing the compression ratio affect the engine?

The Duramax diesel engine has seen quite a few changes over the years. Here's what separates some of the most popular ...

Remember when they said hybrids and PHEVs could never last 200,000 miles? That didn't age well. Nowadays, decades of proven consistency have demonstrated that certain hybrid powertrains are amongst ...

Scorpa/Sherco announces the arrival of the 90 SCF, a new off-road motorcycle specially designed for children ages 5 to 9.

RealTruck.com reports on the latest truck accessories, featuring new products to enhance vehicle performance and style.

While you'll commonly see inline-fours, V6s, or V8s today, a few oddball cars in the past have boasted V4 engines that allowed for unique designs.

This Yamaha masterfully balances sporty performance with touring comfort, making it the perfect all-rounder for every riding ...

Harley-Davidson motorcycles are iconic, but they're also priced to match. Thankfully, there's more than one cheap motorcycle ...

An evo five-star rating is code for a car that you simply can’t ignore, a surefire hit, one that delivers the thrill of ...

Enduro21 tests the new 2026 Yamaha WR125R and finds a bike steeped in XT/DT/WR history which should be everyone’s first step ...

Learn how a 6.7 powerstroke delete kit with tuner and smart upgrades like a ccv delete 6.7 powerstroke can lower EGTs, prevent intake sludge, and improve diesel engine performance.