Section 02 TROUBLESHOOTING
Sub-Section 05 (ELECTRICAL SYSTEM)
02-05-8
SYMPTOM FOULED (BLACK) SPARK PLUG TIP.
CONDITION NORMAL USE.
Test / Inspection 1. Check carburetor(s).
a. Carburetion is too rich.
Adjust according to specifications (refer to TECHNCAL DATA 09).
2. Check injection oil consumption.
a. Injection pump flow is too high.
Adjust according to specification or replace.
3. Check oil quality.
a. Poor oil quality that creates deposits.
Use Bombardier oil.
4. Check engine compression.
a. Leaking piston ring(s).
Replace.
SYMPTOM SPARK PLUG TIP(S) IS (ARE) LIGHT GREY.
CONDITION NORMAL USE.
Test / Inspection 1. Refer to “Engine slows down or stops at high RPM” and check items listed.
2. Check spark plug heat range.
a. Spark plug heat range is too high.
Replace by Bombardier’s recommended spark plug (refer to TECHNCAL DATA 09).
3. Check if air intake silencer leaks.
a. Air surplus coming from opening(s) located between halves.
Seal.
4. Check carburetor adapter collars.
a. Loose collar(s).
Tighten.
5. Check carburetor adapter(s).
a. Cracked or deformed adapter(s).
Replace.
SYMPTOM BRAKE LIGHT REMAINS ON.
CONDITION NORMAL USE.
Test / Inspection 1. Check if bulb is properly installed.
a. Bulb is not installed correctly (contact elements are reversed).
Install bulb correctly.
2. Check brake switch.
a. Switch contact remains closed.
Adjust brake cable or brake switch.
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