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Maintaining and Storing Your SportMaxx
After-run Procedure
Denatured alcohol
You must perform after-run maintenance on your Traxxas
(available from
home centers and
engine whenever the model will be stored for longer than a few
paint supply stores) in a
hours. Taking the time to prepare your engine for storage will
spray bottle is an extremely
reward you with longer engine life, easier starting, and better
effective cleaner. Be sure to
performance.
wear safety glasses and
gloves when working with
When a nitro engine is shut off, some excess unburned fuel
denatured alcohol.
remains in the engine. The methanol in model engine fuel is
hygroscopic, which means it easily attracts and absorbs
Fun fact: WD-40
™
moisture. This moisture can cause rust and corrosion on the
stands for "water
steel engine parts (crankshaft, bearings, wrist pin and starter
displacement
shaft) if the fuel is not removed from the engine. There are after
™
attempt #40." The WD-40
run oil products available from your hobby dealer or you can
product used today was the
use WD-40
successful 40th attempt at
2.5 racing engine is protected from internal corrosion, use the
creating a water-displacing
following procedure:
lubricant. WD-40
™
was the
lab test label.
1. Whenever possible, shut off the engine by pinching the fuel
Be sure to follow
proper maintenance
and storage
procedures to avoid
damage to your engine and
2. Completely empty the fuel tank. Use your fuel-dispensing
other components of your
SportMaxx.
Don't put the fuel
from your tank back
into your fuel jug.
Dispose of it properly,
3. With the fuel tank empty and the throttle at the idle
following city or county
regulations.
Always wear eye
protection when
4. Once the engine stops, clean the outside of the engine with
using compressed
air or spray cleaners and
lubricants.
44
™
, a common household lubricant. To ensure your TRX
line closed. This allows most of the excess fuel to be
consumed by the engine. Be sure the throttle is in the idle
position. You may have to pinch the fuel line closed for
several seconds before the engine stops.
bottle to suck out the old fuel. Do not mix the old fuel with
your fresh fuel supply. If you leave fuel in the tank,
transporting or handling your SportMaxx may cause fuel to
run into the engine.
position, try to start the engine. The engine will most likely
start and run for a few seconds as it uses up any fuel
remaining in the engine and fuel lines.
compressed air or spray motor cleaner. Once the engine is
clean and dry, remove the glow plug power wire, glow plug,
and air filter.
5. Open the throttle fully and spray a one-second burst of
WD-40 into the carburetor and into the glow plug hole
(Caution! Wear safety glasses to prevent spray from getting
into your eyes).
6. Place a rag or paper towel over the engine to catch any
WD-40 that may come out the carburetor or glow plug hole.
7. Connect the EZ-Start controller to the model and spin the
engine for 10 seconds.
8. Remove the rag or paper towel and repeat steps 5–7 two
more times.
9. Clean and re-oil the air filter so it will be ready for use next
time. See page 27 for air filter maintenance instructions.
10. Replace the glow plug, reconnect the glow plug power wire,
and reinstall the air filter.
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