KAYO MOTOR AU200, Руководство по обслуживанию

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5
发动机
5- 54
3, valve seat wear
4, cylinder and piston ring wear
5, cylinder gasket damage
6, the timing of the valve is not correct
7, the spark plug is not assembled in place
possible reason
1, the fuel is not clean
2. The carburetor is not cleaned regularly
6. Check the spark plug
→
the spark plug has too much
carbon or the color is wrong
→
the spark plug is normal
7. Remove the oil dipstick and check the oil volume
→
the
oil quantity is incorrect
→
the oil quantity is normal.
8. Remove the valve cover and check the lubrication of the
valve
→
the valve lubrication is not normal
→
the valve
lubrication is normal
9 Check if the engine is overheated
→
the engine is
overheated
→
the engine is not hot
10. During high-speed driving
→
the engine emits a
knocking sound
→
the engine has no knocking sound
5.11.3 Poor performance at low engine speed
and idle speed
1
、
Check direction
1. Check ignition timing and
valve clearance
→
incorrect
→
correct
2.Check if the carburetor
connection has leakage
→
there
is air leakage
→
no air leakage
possible reason
1, did not do regular maintenance
work
2, the spark plug heat value is
wrong
3, the spark plug electrode gap is
too small
possible reason
1, the oil surface is too high
2, the oil surface is too low
3, the oil is not clean
possible reason
1. Oil passage is block
2. The oil pump is not working
properly.
possible reason
1. Excessive carbon deposit in the
combustion chamber
2. The fuel used does not meet
the specifications.
3, the clutch slips
4, the mixture is too rich
5, too much oil
possible reason
1, piston and cylinder wear