Ski-Doo SUMMIT 583 1997 - Engine Turns Over But Fails to Start Troubleshooting

Section 02 TROUBLESHOOTING
Sub-Section 02 (ENGINE)
02-02-6
SYMPTOM ENGINE TURNS OVER BUT FAILS TO START
CONDITION NORMAL USE
Test/Inspection 1. Check switches.
a.Ignition switch, emergency cut-out switch or tether switch is in the OFF position.
Place all switches in the RUN or ON position.
2. Check fuel level.
a.Mixture not rich enough to start cold engine.
Check fuel tank level and use primer.
3. Check spark plug.
a.Defective spark plug (no spark).
Replace spark plug(s).
4. Check amount of fuel on spark plug.
a.Flooded engine (spark plug wet when removed).
Do not overprime. Remove wet spark plug(s), turn ignition switch to OFF and
crank engine several times. Install clean dry spark plug. Start engine following
usual starting procedure.
5. Check fuel lines.
a.No fuel to the engine (spark plug dry when removed).
Check fuel tank level; turn fuel valve on if applicable; check fuel filter, replace if
clogged; check condition of fuel and impulse lines and their connections.
6. Check engine compression.
a.Insufficient engine compression.
Replace defective part(s) (ex.: piston(s), ring(s), etc.).
SYMPTOM IRREGULAR ENGINE IDLE
CONDITION NORMAL USE AFTER ENGINE WARM UP
Test/Inspection 1. Check primer.
a.Fuel leaks at primer nipple which is mounted to carburetor.
Replace.
2. Check choke.
a.Choke plunger may be partially opened.
Readjust.
3. Check carburetor adapter.
a.Air enters through a crack.
Replace.
4. Check air screw position.
a.Inadequate fuel/air mixture.
Adjust according to specifications (refer to TECHNICAL DATA 09).