BY ERIC GORR Changing the power band of your dirt bike engine is simple when you know the basics. A myriad of different aftermarket accessories is available for you to custom-tune your bike to better suit your needs. The most common mistake is to choose the wrong combination of engine components, making the engine run…
BREAK YOUR ENGINE IN FAST AND IT’LL ALWAYS BE FAST The grain of truth here is that if the piston rings are never seated against the cylinder walls by a proper break-in, they won’t seal and the engine will never develop full power. On the other hand, how fast should break-in be? Do you take…
IGNITION TIMING FOR ANY TWO-STROKE ENGINE. by Bill Unger Advance = the amount of angular measurement that the spark happens before the piston reaches top dead center (TDC) on the power stroke. . Retard is less amount of advance. Internal combustion engines need to start the combustion fire before the piston reaches TDC because it…