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The TRX 3.3 Racing Engine
Filling the Fuel Tank
Use a fuel dispensing bottle
Clean your air filter after
(Traxxas Top Fueler, part
every hour of run time
#5001) to put fuel into Jato's fuel
to avoid engine
tank. To fill the fuel bottle, squeeze
damage, even if the
the air out, insert the dispenser tip
filter looks clean.
into the fuel can, and release your
grip on the bottle. As the bottle
expands, fuel will be drawn into it.
If you use compressed
air to dry your air filter
To fill your model, pull up on the
assembly, wear safety
fuel cap handle, insert the tip of
glasses and avoid
the fuel bottle through the
directing compressed
air toward your skin.
windshield and into the fuel filler.
Squeeze to dispense the fuel. Do
not refuel your model indoors.
If foam filter oil is not
The Air Filter
available, clean 30 or 40
The TRX 3.3 Racing Engine air filter is specifically designed to deliver
weight motor oil can be
maximum performance while protecting your engine from dust and dirt.
substituted, but is not
preferred. Never run the
Use only the supplied filter. You will not improve engine performance
engine without a
by switching to an aftermarket filter, and you may risk engine damage
properly oiled filter!
due to poor filtration.
The TRX 3.3 Racing Engine air filter assembly consists of 3 pieces:
1. A rubber filter base.
2. A plastic housing consisting of a permanently
3. An oiled foam element.
You must clean the filter after every hour of run time, even if the filter
looks clean.
break-in. Dust (which is often too fine to see) and dirt constantly move
through the filter anytime the engine is running. Even if you can't see
dirt on the filter, it is present inside the foam after any amount of run
time. If you exceed the recommended cleaning intervals, your engine
will be damaged. Engine damage or wear due to dirt ingestion is easy
to detect, and one of the top causes of premature engine failure.
22 • Jato 3.3
assembled mesh cap and body.
This includes the break-in time. Clean your air filter after
Air Filter Cleaning Instructions
1. Remove the air filter from the
carburetor bore by pulling the
entire filter assembly firmly to
the side to release it. Do not pull
straight up.
2. Disassemble the filter. Pull the
rubber air filter neck out of the
filter body. With the base removed,
the foam element is visible in the
bottom of the filter body. Pull out
the foam element.
3. Clean the filter parts by thoroughly washing all three pieces of the
filter assembly in hot soapy water (dishwashing detergent works
well). Repeat twice.
4. Thoroughly dry the parts with a clean towel or compressed air.
Remember to wear your safety glasses when working with
compressed air.
5. Oil the foam element with foam filter oil. Use the supplied Traxxas
filter oil (part# 5263) or a high-quality, special-purpose foam filter oil
like what is used for off-road motorcycle and ATV engines.This type
of filter oil is available at motorcycle pro-shops. Apply 30 drops of the
Traxxas filter oil evenly to the top, bottom and sides of the filter
element (30 total drops divided among the 3 surfaces). Squeeze the
filter element repeatedly to help spread the oil throughout. The filter
element should be evenly colored by the oil. Even color indicates that
the oil is distributed evenly. Do not squeeze out excess oil.
Note: Do not use the air filter oil for anything other than the air
filter. It is not meant to be a lubricant.
6. Reassemble the filter and install it on the engine, making sure
the rubber filter neck fits securely on the carburetor with no gaps
or air leaks.
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