Exhaust pipe black smoke:
This situation generally shows that the
mixture is too thick and the combustion is incomplete. The main reason for this
phenomenon is the engine overload, the cylinder pressure is insufficient, the
engine temperature is too low, the air filter block, the individual engine cylinder
head does not work and ignition too late.
Solution:
1. Check that the choke is fully open and
check if necessary.
2. If the air cleaner is clogged, clean,
clear or replace.
3. After the flame from the carburetor
mouth to see the main nozzle, if there is gasoline leakage, you should tighten
or replace the main hole.
Exhaust pipe to take white smoke:
Row of the tube to take white smoke that
the fuel injector bad or drip so that part of the gasoline does not burn,
gasoline, water, engine cylinder
head and cylinder liner with invisible cracks, cylinder pad damage,
so that the tank water, too low.
Solution:
1. Clean or replace the injector, adjust
the fuel injection pressure, remove the tank and oil in the oil.
2. Do not add poor oil, because the poor
oil often contains moisture, impurities
3. Replace the cylinder liner, cylinder
liner, engine cylinder
head.
Comprehensive above the two cases, the
majority of owners found the exhaust pipe smoke must be dealt with in a timely
manner, so as not to more serious damage.
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