Tarun is a gearhead who has been working on motorcycles for over 25 years and riding them even longer. A certified Harley-Davidson, Kawasaki, and Ducati mechanic, he loves working on motorcycles and ...

There's an old saying in engine tuning that when adjusting the mixture of your engine you can be too rich a bunch of times, but only too lean once. With that in mind, determining the air-fuel ratio ...

Usually you'll only modify your engine's computer to achieve higher engine output, but with recent gas prices it's worth looking at your ECU to see what kind of gains in economy you can get. Since the ...