1. This type of engine still has tappet noise even after adjustment. 2. Another reason is the large tappet clearance on the exhaust valve. 3. The camshafts act on four valves per cylinder via bucket tappets . 4. Hydraulic tappets require more complex and more expensive cylinder head design. 5. The engine was switched from solid-lifters to hydraulic tappets . 6. Outwardly it resembled the mechanical tappets ( lifters ) of Bristol design. 7. The C125 features a cast iron camshaft and hydraulic tappets . 8. Properly optimizing the system avoids undue stresses to the camshaft lobes and tappets . 9. Vann er gratis tappet fra springen, men kan koste flesk p?flaske. 10. Designed for easy servicing the valves were interchangeable and had quickly adjustable tappets .
