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SECTION 5: FUELING AND STARTING THE XTM RACING 24.7 NITRO ENGINE
If at any time the pull-starter becomes very tight or difficult to pull -
STOP!
The engine has become flooded and the excess fuel
must be removed from the engine
or damage to the pull-starter and/or engine could occur. To remove the excess fuel from the
engine follow the procedures listed below:
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Completely close the high speed needle valve until it bottoms out. Do this gently. Don't force it!
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Remove the glow plug from the cylinder head.
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With a rag over the top of the engine, pull the pull-starter cord several times to expel the excess fuel from the engine.
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Check to make sure that the glow plug has not been fouled, then reinstall it.
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Reset the high speed needle valve 3 turns out from bottom.
WARNING!! PLEASE READ THIS BEFORE STARTING YOUR ENGINE FOR THE FIRST TIME!!
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WARNING
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Under no circumstances should you operate the engine without the air filter installed on the carburetor. The air filter
prevents dust and debris from entering the engine and damaging it. If you operate your engine at any time without the air filter
installed, the engine will not be covered under warranty should it need repair. Also make sure that you "wet" the air filter as described
on page # 10.
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Lift the fuel tank lid and carefully fill the fuel tank until the fuel level is just below the top
of the fuel tank.
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WARNING
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Use fuel that is appropriate for nitro car and buggy engines.
Do not use
gasoline or diesel fuel!
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Using your glow plug wrench, verify that the glow plug is installed in the cylinder head and tight. If it's not already preinstalled, install
it, using one copper gasket.
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Prime the engine by first opening the throttle completely and covering the exhaust
openings in the exhaust pipe with your fingers, then pull the pull-starter cord several
times until you see fuel just start to enter the carburetor through the fuel line.
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IMPORTANT
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Do not pull the pull-starter cord all the way out or damage to the
pull-starter will occur. Use a couple of short pulls - about 7 or 8 inches long.
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Remove your fingers from the exhaust openings in the exhaust pipe and close the
throttle down to the idle position.
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While holding the truck firmly with one hand by the carrying handle, carefully pull on
the pull-starter cord 3 times, using short, quick pulls.
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IMPORTANT
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If you can't turn the engine over using the pull-starter, don't force it.
The engine is probably flooded. See the warning and resolution at the top of the page.
IMPORTANT TIP ABOUT GLOW PLUGS
A Thunderbolt # 3 High Performance glow plug is included with your engine. We suggest having a couple of extra glow plugs handy,
because it can be expected that glow plugs will wear out quickly during the engine's break-in process.
Continued On Next Page
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