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• Check the main needle of the carburator is correctly set-up. The engine will be diffi cult to start and run if the needle is not set
correctly.
• Check the air fi lter and muffl er are fi tted correctly. Never drive the car if one of both elements are not properly fi tted as this can
cause serious damage to your engine.
• Check that all fuel tubes are in good condition.
• Use a little of oil or grease on turning parts if necessary. Never oil or grease the main gear.
• Fill the fuel tank with special model engine fuel. (DAYTONA 10%, never use another type of fuel not designed for model use)
• Start the engine (See paragraph " Starting & Running-in")
AFTER EVERY USE
• Turn off the swith on the car before turning off the transmitter
• Make sure the fuel tank is empty. (Never leave fuel in the fuel tank)
• Clean the car with a brush and towel. (Never use water to clean the car)
• Check the condition of the air fi lter, and replace if necessary the foam insert.
• Check the shock absorbers.
• Check if the air fi lter and muffl er is correctly fi tted.
• Check all nuts, bolts & screws are properly tightend.
• Use a little of oil or grease on turning parts if necessary. Never oil or grease the main gear.
HOW TO START THE ENGINE
1. Fill the fuel tank
2. Turn the main needle (1) fully closed (clockwise) and re-open 4 full turns
3. Push 5 to 6 times on the pump of the fuel tank
4. Connect the glowstart to the glowplug. Leave the glowstart on and pull the throttle trigger on your trans
mitter to about half throttle
5. Start the engine by using small but sharp pulls on the pull starter. Never pull the cord more than 25 cm
6. If the motor doesn't start straight away... STOP. If the engine will not turn over, there is too much fuel
inside the engine. Unscrew the glowplug and pull a few times on the pull starter to clear out the ex ces sive fuel. Becarefull not to
get fuel in your eyes. Blow on the glowplug to clear the fuel from the glow element. Remount the glowplug and restart at step 4
RUNNING-IN THE ENGINE
The fi rst needle to set up is the main needle (1) that controls the fl ow of fuel at full throttle. Before running your engine turn the
main needle(1) clockwise until it is closed. When the needle (1) is fully closed, turn the main needle (1) two turn's open(anti-
clockwise),this is the running in position. Now try to start the car as described above. The engine should run rich ( a lot of
smoke), drive the car very gently in the beginning to let the motor warm up. The engine will not produce a lot of power but we
rec om mend keeping these settings for the fi rst 3 fuel tanks
SETTING-UP THE ENGINE
Once you have run the car for 3 fuel tanks you can begin to lean the motor out by turning the main needle (1) clock wise. Only turn
1/8 of a turn at time, as you turn the main needle (1) inwards the RPM will raise. If you turn it too far the motor will begin to lose
RPM and stop when you give full throttle. If this happens then you must open (anti-clockwise) the main needle (1) again until the
motor runs with not too much smoke. Once you have the top end set up you can adjust the low-end needle (2). You do this by
running the car at idle for around 10 seconds and then give full throttle, if the motor stutters and picks up RPM slowly then the
low end needle (2) is too rich (to much fuel) you must turn the low-end needle (2) inwards (clockwise). If the motor picks quickly
but then begins to die as you open the throttle, the low-end needle (2) is too lean (not enough fuel). You must open the low-end
needle (2) (anti-clockwise)
The adjustment of the main needle (1) and the low-end needle (2) can effect each other, so when you adjust one needle you might
need to adjust the other needle. Once the engine is correctly set-up, you must adjust the throttle stop screw (3), which adjusts
the tick-over speed of the engine. Adjust the tick-over of the engine as low as possible without the engine stopping.
ATTENTION : TO EXTEND THE LIFE OF YOUR ENGINE, IT IS BET TER TO RUN YOUR EN GINE TOO RICH THAN
TOO LEAN.
4
- Tech Nitro Pro
Check list
Starting & running-in
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