01-4
DESCRIPTION
Basic Engine
01-4
The engine is a water-cooled, 4 cylinder, 4 stroke, in-line
The oil pump is bolted onto the outside of the cylinder block
gasoline engine. The cylinder head in which the combustion
chambers are located is of a cross-flow type, the fresh
fuel/air mixture is drawn in on one side and burnt gases are
passed into the exhaust system on the opposite side.
The valves are suspended in the cylinder head and are
operated by means of tappets, pushrods and rocker arms.
The valves are disposed in an alternating pattern in the
cylinder head starting with an exhaust valve by the
thermostat housing.
The three-bearing camshaft is located on the right side of
the cylinder block and driven by roller chain from the
crankshaft.
The common driving gear shared by the distributor and oil
pump is located behind the second cam on the camshaft,
the eccentric cam driving the fuel pump is located between
the sixth and seventh cams.
below the distributor. The full-flow oil filter is angled
downwards and mounted directly on the oil pump.
The crankshaft is mounted in five bearings. The crankshaft
end play is determined by thrust half rings at the center
main bearing.
The front crankshaft journal is sealed by means of an oil
seal installed in the timing cover.
The rear crankshaft journal is sealed by means of an oil
seal pressed into an oil seal carrier.
The timing cover has cast ignition timing degree marks or
a TDC reference pointer. A notch on the crankshaft belt
pulley is used in conjunction with either the degree or
TDC reference points when installing the distributor and
checking timing. They are visible on the front, left side of
the engine.
To Next Page
Loading...
Need help?
General
