Filter
Top Products
11-5
ENGINE KNOCKS.
1)
Low-quality gasoline.
%
2)
Engine operating under heavy load at low speed.
3)
Carbon or lead deposits
in
the cylinder head.
4)
Spark timing incorrect.
5)
Loose connecting rod bearing due
to
wear.
6)
Loose piston pin due
to
wear.
7)
Cuases
of
engine overheat.
11-6
ENGINE BACKFIRES
through
CARBURETOR.
1)
Water or dirt in gasoline, or low-grade gasoline.
2)
Intake valve stuck.
3)
Valves overheated, or red-hot carbon particles in the combustion chamber
4)
Engine cold.
-40-