Possible Cause
Solution
ENGINE DOES NOT START
Out of fuel
Refill the tank and follow starting instructions.
Choke lever is in the wrong position
Make sure the choke lever is in the correct position.
Refer to starting instructions.
Engine flooded
Remove the spark plug. Pull start 3–5 times. Replace and test.
Air filter is clogged
Check and replace if necessary.
Vent hole in gas cap is plugged
Clean the vent hole if plugged or dirty.
Pull start is not working
Check the pull starter and clean or replace if necessary.
Fuel mixture is old or bad
Mix fresh fuel per instructions.
Spark plug is not working
Check the spark plug and ignition coil and replace if necessary.
Throttle servo failed/Setup is wrong
Check servo operation. Set it to neutral and reset the linkage according
to your radio and model manufacturer's specifications.
Carburetor is incorrectly adjusted
Return the carburetor to the factory settings and retune if necessary.
Engine stop switch is malfunctioning
Check and replace the stop switch if necessary.
Piston and cylinder is worn
Check the piston and cylinder for wear or damage and replace if
necessary.
ENGINE STARTS THEN STALLS
Out of fuel
Refill the tank and follow starting instructions.
Air filter is clogged
Check and replace if necessary.
Vent hole in gas cap is plugged
Clean the vent hole if plugged or dirty.
Engine may be overheated
Let the engine cool. Reset the carburetor to factory settings and restart.
Engine idle is too low
Follow the instructions to increase idle speed.
Carburetor is incorrectly adjusted
Return the carburetor to the factory settings and retune if necessary.
Clutch is slipping or locked-up
Check the clutch for worn/broken lining or spring.
Fuel mixture is old or bad
Mix fresh fuel per instructions.
Throttle servo is improperly set up
Set the servo to neutral and reset the linkage according to radio and model
manufacturer's specifications.
Drivetrain is not functioning properly
Check the drivetrain for smooth operation/damage.
ENGINE IS RUNNING, BUT VEHICLE DOES NOT MOVE
Brakes are stuck
Look for damage or foreign matter locking the brakes.
Drivetrain is damaged
Check for damaged driveshaft or diff. Replace as needed.
Receiver battery capacity is low
Charge the receiver battery.
Radio is not responding despite charged
battery
Make sure binding is properly set up.
ERRATIC CONTROL
Transmitter and/or receiver batteries are weak Install new batteries in the transmitter. Recharge the receiver battery.
Connectors are inserted improperly
Check the connectors and reinstall if necessary.
Brake is not working
Check the servo, brakes, and linkage for damage. Repair/replace/reset
the servo linkage to factory settings.
Troubleshooting Guide
Hilfestellung zur Problemlösung
Guide de dépannage
Guida alla soluzione dei problemi
60
MONSTER TRUCK XL • INSTRUCTION MANUAL
60
MONSTER TRUCK XL • INSTRUCTION MANUAL
