Ski-Doo Mini Z 2000 - Page 41

Section 03 TROUBLESHOOTING
Subsection 02 (ENGINE)
03-02-2 MMR2000_116_03_02A.FM
8. Check exhaust system.
a. Restriction.
Replace.
9. Check ignition system.
a. Decrease in power due to incorrect ignition.
Check spark plug and ignition coil operation.
10. Check engine compression.
a. Worn piston(s) and ring(s).
Replace (refer to TECHNICAL DATA 10 for specification).
SYMPTOM ENGINE DETONATION AT MAXIMUM RPM.
CONDITION NORMAL USE.
Test/Inspection 1. Check which type of fuel is used.
a. Octane number is too low and/or alcohol level is too high.
Use recommended fuel type.
2. Check spark plug type.
a. Improper spark plug heat range.
Install recommended spark plug(s) (refer to TECHNICAL DATA 10).
3. Check exhaust system.
a. Too much restriction.
Replace.
4. Check ignition system.
a. Incorrect ignition.
Check spark plug and ignition coil operation.
5. Check carburetion.
a. Fouled and/or improper carburetor components.
Clean or replace according to specification (refer to TECHNICAL DATA 10).