Ski-Doo MX Zx 600 RS, Operator'S Manual

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TECHNICAL GUIDELINES
ENGINE BACKFIRES
1. Faulty spark plug (carbon accumulation).
– See item 5 of ENGINE IS CRANKED BUT FAILS TO START.
2. Engine is running too hot.
–
– Check coolant level, see MAINTENANCE PROCEDURES.
– Check heat exchangers cleanliness. Clean if necessary.
– If coolant level is correct and heat exchangers are clean, contact an autho-
rized Ski-Doo dealer.
3. Ignition timing is incorrect or there is an ignition system failure.
– Contact an authorized Ski-Doo dealer.
ENGINE MISFIRES
1. Fouled/defective/worn spark plugs.
– Clean/verify spark plug gap and identification number. Replace as required.
2. Water in fuel.
– Drain fuel system and refill with fresh fuel.
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