BY BRUCE AUGENSTEIN There’s been a certain amount of discussion, in this and other files, about the concepts of horsepower and torque, how they relate to each other, and how they apply in terms of automobile performance. I have observed that, although nearly everyone participating has a passion for automobiles, there is a huge variance…
Category: Modification
Modification of An Engine or Electrical and aesthetics is mention here
More Power To Air Cooled RD
BY DAVID FREIST All Credit goes to the real Author of the article. Introduction When I first started out trying to get more power out of my stock RD I relied on the experience I had with my first RD-350, a ’73 #101439. That bike ended up with Bassani chambers, a swiss-cheesed airbox, and slightly…
ART OF SQUISHING
BY DALE ALEXANDER In the past couple of issues, Doug has been doing a credible job of explaining heat, race fuel, and the likes. I’ve enjoyed what I’ve read and this has compelled me to add my two cents based on my past racing experience with RD-350’s.When I started racing RD’s, the fast guys on…
Two Stroke Tuning Basics
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…
Most Common Two Stroke Engine Bike Myths
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.
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…