DAELIM ROADWIN VJ125 - SERVICE, Руководство по обслуживанию

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21-3
TROUBLESHOOTING
POOR PERFORMANCE (AT LOW AND IDLE SPEED)
INSPECTION CAUSE OF TROUBLE
Not contaminated or not
discolored.
Contaminated or
discolored
●
Lean fuel mixture.
●
Using spark plug with on incorrect heat
range.
9. Check the spark plug.
Level normal
Level low or high
●
Oil level too high.
●
Oil level too low.
● Contaminated oil.
10. Check oil level.
Valve train lubricated properly.
Valve train lubricated
improperly.
● Oil level too low.
●
Contaminated oil.
●
Faulty oil pump.
● Clogged oil passage.
11. Remove cylinder head
30mm hole cap, and inspect
lubrication.
Not overheated.
Overheated
●
Excessive carbon build-up in combustion
chamber.
● Poor quality fuel being used.
●
Lean fuel mixture.
●
Clutch slipping.
12. Check for engine overheating.
Correct
Incorrect
●
Incorrect valve clearance.
●
Faulty C.D.I unit.
● Faulty pulse generator.
1. Check ignition timing and
valve clearance.
2. Check carburetor air screw
adjustment.
Correct
Incorrect
●
Lean fuel mixture (Tighten screw to
correct adjustment level)
●
Rich fuel mixture (Loosen screw to
correct adjustment level)
No leak
Leaking
●
Faulty insulator O-ring.
●
Loose carburetor.
3. Check inlet pipe for leakage.
Sparks normal.
Weak or intermittent
sparks
●
Carbon depasited on spark plug or spark
plug contaminated. 4. Check sparks.
Engine does not knocking.
Engine knocking
●
Worn piston ring and cylinder.
●
Lean fuel mixture.
● Excessive carbon build-up in cambustion
chamber.
●
Incorrect ignition timing.
13. Accelerate or run at high
speed.
INSPECTION CAUSE OF TROUBLE