You've probably read this line a dozen times: "It's never been easier to make horsepower than right now." While that's true, it also means everything else in the engine is now more highly stressed.

Before the implementation of hydraulic lifters to keep the engine's valves in proper working order, regular adjustment was required to maintain the critically necessary clearance in the valvetrain.

Adjusting valve clearances is simple, right? They can be, as long as you follow what Honda has to say about them. If there's one thing Honda says to do when it comes to adjusting those valves, it's to ...

My 2012 Mitsubishi Triton diesel has just had its 30,000km service and I was disturbed to see that the service includes a valve clearance adjustment and the removal and cleaning of the inlet manifold.

The engines of yesteryear were pretty simple, with tappets clackity-clacking away on cam lobes, opening valves, and making a ruckus while doing it. Mechanical lifters were adequate for valve operation ...

Adjusting the valves on a Triumph Thunderbird Sport, Trophy, Daytona, Trident, Sprint, Tiger, Speed Triple, Legend or Adventurer Motorcycle. My Triumph Thunderbird Sport had about 9,000 miles on it ...