Power unit
2-8
Camshaft
The timing belt is located on the top of the engine and the timing chains and VCT assemblies are lo-
cated at the bottom of the engine for increased engine reliability. In addition, the overall width of the
outboard motor is compact and the distance between outboard motors for multiple engine applica-
tions is approximately the same as for previous models.
While the engine is running, the VCT assemblies advance or retard the intake camshafts according to
the engine speed in order to control the opening and closing timing of the intake valves to improve the
intake efficiency.
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