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10. Check the pressure of the cylinder the pressure - air valve seat tooth’s
incorrectly
is low -clearance of air valve is narrow
The pressure is normal -abration of cylinder and piston
ring
-ruin of cylinder head washer
-incorrect of air intake phase
11. Unstill the cylinder head and check bad lubrication -block of oil tube
The lubrication condition -malfunction of oil pump
Good lubrication -block of oil filter
12. Engine doesn’t crash when it engine crashes -amasses carbon in firebox
Speeds up or be in high speed -using wrong type of fuel
-abration of cylinder piston
-mixed air is too sparse
-ignition in advance
-malfunction of C.D.I
·Weak capability in idle speed and low speed
Weak capability in idle speed and low speedWeak capability in idle speed and low speed
Weak capability in idle speed and low speed
1. Check the ignition time and incorrect -malfunction of ignition loop
Air valve clearance - unseemliness of air valve clearance
Correct -ignition loop is installed wrongly
2. Check mixed air adjusting incorrect -mixed air is too sparse
Screw of carburetion - mixed air is too dense
correct
3. Check the washer or the seal leaped -loosen of carburetion fasten bolt
Is leaped or wrong fixing of heat insulation ware
-ruin of heat insulation ware
4. Ignition testing weak light or spark -malfunction of spark plug
-spark plug is flooded
In good condition -malfunction of C.D.I.
-malfunction of electrification or
Spring loop
-malfunction of ignition loop
-disconnection or short circuit
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