Economy: The roller tappets and camshaft lobes are large, resulting in smooth and precise valve actuation. This clearly benefits fuel consumption.
Low emissions: Accurate timing of valve actuation is a vital factor in efficiency, and thus cleaner combustion.
Cost of operation: An important benefit of the large roller tappets is their low rate of wear. This minimises the need for adjustment. Valve performance remains consistent over long periods. If adjustments are needed, they can be done quickly
and easily.
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