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how adjust the valves
The intake valves are in the intake ports, the exhaust valves are in the exhaust ports.
the intake are next to the carb and the exhaust are next to the exhaust manafold intake are .008 exhaust are .012 with the engine warm good luck
The exhaust valves are smaller and lead to the exhaust manifold.
17mm or 0.016" both intake and exhaust. Valves closed.
If the air intahe and exhaust valves were not actuated what damages expected with the diesel engine? The engine is a four stroke marine diesel engine and because of the rocker arm gears broken the valves remained closed and not actuated.
Engine needs to be cold when performing overhead adjustment. Spencer's is .16" intake and exhaust valves closed.
On a fully assembled engine, the intake and exhaust valves will not be visible. If the cylinder head is removed from the engine, the valves will then be visible. The intake valve faces are usually larger than those of the exhaust valves, and can be easily distinguished visually.
The intake valves line up with the intake runners on the intake manifold. The exhaust valves line up with the exhaust runners on the exhaust manifold or headers. With #1 at tdc you can set 1,2,5,7 intake and 1,3,4,8 exhaust valves. Rotate the engine one revolution to #6 tdc and set the remaining valves.
The intake valves can hit the exhaust valves.
As an air/fuel mixture is drawn into the intake ports, intake valves open to allow the mixture to enter the cylinder. On the exhaust stroke of an engine, the exhaust valves open, allowing the burned air/fuel mixture to exit out the exhaust ports. Intake valves are larger than exhaust valves, and are able to be found on the "cold" or intake side of the cylinder head(s).
Mounted in the heads.