Wiseco's been keeping up the pressure since 1941. Cylinder pressure, that is, by manufacturing and selling high-quality pistons and other precision core engine parts. Clyde Wiseman began making pistons in his garage for himself and some fellow riders, and did it so well that Wiseco became and remains an instantly recognizable ...

Much has been written and more has been said about which brand of pre-mix to use for your engine and what fuel-to-mix ratio is best. If you own and ride a two-stroke, you've heard lots of stuff, and maybe made up some of your own lore. But the real answers ...

I'm going to warn you before things go too far: If you tinker with your bike in the garage, you're going to eventually be rebuilding the engine. I am not doubting your capabilities, but there is something addictive about engine work. First you repair a few minor things, and ...

Eating nothing but junk food is not going to kill you right away, but when you reach your older years you'll wish you'd taken better care of your system. Your bike is the same way. Giving your machine cheap oil may not show immediate degradation, but if you want your machine to ...

Have you ever tried to push start a Victory? Victory doesn't even make models under 1,600 cc. You need a mountainside to get that thing going. When it happened to me, three people pushed the bike -- more could have been used, but they didn't fit well around it. And to make ...

Considering the speed, pressure, heat, and friction in your engine as it thumps away, dragging your lazy body down the street, it's a wonder than everything stays running smoothly. Heat will do horrific things to your engine. Heat destroys the temper and longevity of engine components and that's why we have cooling systems ...

When Mikunis showed up on the scene, racers quickly adopted them. This was back when your choices were such as Linkert, Amal, Dell'Orto, SU, and a few others -- all of which were well known for their limitations at the time. Mikuni provided a carburetor that increased performance, was easily adjusted ...

A box of oil can be a very good thing. Assuming you remembered to order the filters too, you can rest easy that you've enough oil for a multitude of of oil changes, knowing that you got that oil for a good price. It's like money in the bank, except ...

If you're spending your riding time listening for ugly noises coming from your HD's top end, it might be time to consider the Andrews Roller Cam conversion kit. Specific to 1999 through 2006 engines, there appears to be a tendency for the cam chain tensioners to wear out, or simply ...