Harley-Davidson's association with sportbike manufacturer Buell Motorcycle Company began in 1987 when they supplied Buell with fifty surplus XR1000 engines. Buell continued to buy engines from Harley-Davidson until 1993, when Harley-Davidson bought 49 percent of the Buell Motorcycle Company. Harley-Davidson increased its share in Buell to ninety-eight percent in 1998, and to complete ownership in 2003.
Whether it is a mechanical, hydraulic, flat tappet or roller style, the lifter is one of the most important components in the engine. The lifter technology determines how the camshaft will react to the rest of the engine combination. And the technology that goes into it is simply amazing.
Hydraulic Lifter Noise â The Fix. When it comes to building engines, those equipped with hydraulic roller lifters offer major advantages to budget-conscious car crafters. Starting in 1987 with passenger-car small-blocks, including the Corvette and Camaro, Chevrolet began gearing engines with hydraulic roller lifters and cams.