1. One primary intake rocker arm corresponds to each secondary intake rocker arm. 2. Valve clearance was adjustable by screws and locknuts on the rocker arms . 3. One primary intake rocker arm corresponds to each secondary intake rocker arm . 4. Another disadvantage is the contact point between the cams and rocker arms . 5. So, let's not wonder about lost cylinders or broken rocker arms . 6. The valves are actuated by hydraulically adjusted rocker arms with roller cam followers. 7. The locomotive is complete with working pistons, rocker arms and wheels. 8. In 1954, LEWA applied for a patent for the " rocker arm pump ". 9. The primary exhaust rocker arm contacts a low-profile camshaft lobe during low-RPM engine operation. 10. The contact points on most Ducati rocker arms are hard-chromed to reduce this wear.
