Too low speed of the
engine
Low output power of the
engine
Looseness of the
assembled screw bolt
Water is
Damage or cracking of
leaking out
the buckle
from the pump.
Wear-out or damage of
the mechanical seal
Throttle up.
Inferior fuel--replace and check.
Check whether the air filter is blocked--clean.
Check whether the fuel filter is blocked –clean.
Adjust and repair the carburetor. (Competent servicing
dealer)
Disassemble and repair the engine. (Competent
servicing dealer)
Increase the torsional force.
Replace the buckle. (Competent servicing dealer)
Replace the mechanical seal. (Competent servicing
dealer)
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