Use and Care Manual

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30
Troubleshooting
1. Examine the Carburetor - Be sure there is fuel flowing into the carburetor.
Is there fuel flowing into the carburetor?
No - Clogged fuel hose/line or clogged fuel filter
- Clogged or closed fuel valve
- Clogged fuel cap vent
- Sticking or stuck carburetor float
Yes - SEE STEP 2
2. Examine the Spark Plug - Remove the spark plug and inspect.
Is the spark plug in good working condition?
No - Flooded engine and/or carburetor
- Choke valve is closed
- Throttle is stuck open
- Dirty or clogged air filter
- Excessively worn piston rings (replace engine)
Yes - SEE STEP 3
3. Spark Test - Test for ignition spark by removing the spark plug and inserting it into the spark plug cap. Place
the open end of the spark plug on a metal part of the engine and pull start the engine. You should see a nice
blue spark on the end of the spark plug. A faint spark will not start the engine.
Do not touch the spark plug or plug cap while pull starting the engine. You will receive and
electrical shock which could result in serious injury or death.
Is there a good spark?
No - Fouled or faulty spark plug
- Broken or shorted spark plug wire or spark plug cap
- Faulty or shorted magneto assembly
- Broken or shorted engine stop switch
- Loose or corroded wires and/or connectors (always clean bad electrical connections)
Yes - SEE STEP 4
4. Engine Start Condition - Start the engine by using the normal starting procedure
Does the engine start but then stop quickly afterward?
Yes - Improper choke operation
- Dirty or improperly adjusted carburetor (Contact your Monster Moto Dealer)
- Intake manifold/pipe leak
- Improper ignition timing (see your Monster Moto Dealer)
- Dirty or contaminated gasoline
Engine does not start or is hard to start
WARNING
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