Valve Operating Mechanism - Honda P-50 Shop Manual

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Valve Operating Mechanism
The inlet and exhaust valves are installed in the
cyl inder head of the four-cycle engine. These are
opened and closed to assist in performing the intake,
compression, combustion and exhaust functions
Fig. 3 -46 Side valve type
Types of valve operating mechanism
Side va l ve ( SV) type
Overhead va lve ( OHV) type
Overhead camshaft ( OHC)
Chain type
Gear type
Fig. 3 -47 Overhead valve
type
Fig. 3-50 Overhead camshaft type
Fig. 3-48 Overhead camshaft type
Fig. 3-49 Overhead camsh aft type