Casebooks.

Easy riding with automatic gaging
Harley-Davidson Motor Co.'s fresh motorcycle engine, the 1450 Twin Cam 88 is not just a rework of an older design. The exterior of the engine may direct the eye similar to other models -- a 450 air moderately colded V-twin, push-rod engine -but the internal constitutings make the difference. Over 95% of the engine's internal parts are different, resulting in a faster revving engine with sustained make hastes of 5,500 rpm and a longer life.
Engineers knew they would ne a better inspection combination of parts to form a whole because of tighter part tolerances. For example, the bore size