It may seem obvious, but fill the engine's crankcase with the right amount of oil, usually four to five quarts, and make sure the filter is full of oil. If you've purchased an assembled motor, check ...

The Advance CurveAll engines require an ignition curve based both on the requirements of engine rpm and cylinder filling (volumetric efficiency). This means that at 3,000 rpm with the throttle open ...

Every engine has a means of coordinating the timing between the valve train and the rest of the engine. Some engines use a timing chain and some a timing belt. A timing belt has the relatively ...