transmitter, and gently press it into place. DO
NOT force the crystal! The pins can easily be
broken!
Remove the crystal from your receiver in the
same careful manner. The crystal extends from
the side of the radio box.
PLEASE NOTE: It is very important that the
crystal labeled “T” is installed in the transmitter
and the crystal marked “R” is installed in the
receiver.
KNOWING YOUR ENGINE
BEFORE STARTING YOUR ENGINE
The air lter is one of the most critical compo-
nents of your car engine. A well maintained air
ltration system will increase the life expectan-
cy of your engine.
Remember to keep it clean and to check for
replacement often. Running your engine for
a second with the lter off can destroy your
engine. Dirt getting inside the carburetor will
grind the piston and sleeve away causing the
engine to lose compression and fail.
Before starting your engine, put a few drops of
lter oil, household oil caster oil or automotive
motor oil on the outside surface of the air lter
and rub it into the surface. This will help the l-
ter trap more dirt and dust. NEVER USE SILI-
CONE SHOCK OIL AS IT DOES NOT BURN
AND WILL FOUL THE ENGINE.
FUEL
Use only top quality model two-stroke engine
fuel. We only recommend Trinity MH0020 20%
Monster Horsepower or TRI4300 Monster
Brew Fuel because of the known oil quality
and content. Use of any other fuel will void any
warranty on the engine.
CARBURETOR
Carburetors are pre-adjusted and only a ne
adjustment may be required. As your engine
breaks in the adjustment will change and of
course the weather effects the settings. The
settings we offer are basic all around settings.
Two adjustable needles are provided on your
carburetor.
The high speed needle (the big screw on the
top) is for adjusting the mixture when the throt-
tle is fully open. If you turn the needle coun-
ter-clockwise you will make the mixture richer,
more fuel. Turning the needle clockwise will
make the mixture leaner, less fuel.
The low speed needle (small screw on the bot-
tom) is for adjusting the mixture strength at
part-throttle and idling speeds, to obtain steady
idling and smooth acceleration to mid speeds.
of the throttle so your truck responds correctly
to the trigger.
E - Steering Trim: Adjusts the center position
of the steering so your truck travels straight.
F - Throttle Reverse Switch: Reverses the for-
ward/ reverse direction of your throttle trigger.
G - Steering Reverse Switch: Reverses the
left/right direction of the steering wheel.
H - Antenna: Transmits radio signals to your
receiver.
I - Frequency Crystal: Controls the operating
frequency (channel) of your transmitter.
J - Battery Power Indicators: Signal when it is
time to replace your transmitter batteries.
Please familiarize yourself with the function of
the steering and throttle controls as shown be-
low Like most other pistol grip style radio sys-
tems, the reverse function of the transmitter
applies the brakes. This function needs to be
used to slow/stop your Truggy and to keep it
stationary while it idles.
RUNNING MULTIPLE TRUGGIES
If you have some buddies that would like to get
a NEXT Truggy of their own or already have
friends with other RC vehicles that you will be
racing with, it is very important that you rst
check what frequency channel your Truggy
is on and conrm that none of your friends
have the same frequency as you.
If you do nd that someone else is using the
same frequency channel that you are, you
must either wait for them to turn their trans-
mitter and vehicle OFF or you may choose to
change the frequency crystals in your transmit-
ter and receiver (so that you can run together
at the same time without causing any radio
interference). Additional frequency crystal sets
can be purchased separately and installed in a
few quick seconds.
To change frequency crystals simply remove
the black plastic crystal holder from the back of
your transmitter by carefully pulling it straight
out. Slide the crystal out of the holder and in-
stall the new crystal labeled “T” in its place.
Carefully align the two pins that extend from
the crystal with the socket in the back of your
If you turn the needle counter-clockwise you
will make the mixture richer, more fuel. Turn-
ing the needle clockwise will make the mixture
leaner, less fuel.
Basic carburetor settings. 2 to 2.5 turns out
from having the needles screwed all the way
in. This is the setting for both needles.
Adjusting a nitro engine can be a tricky pro-
cess. We recommend you have an expert help
you the rst time you run your Truggy.
BREAK-IN
The rst time the engine is started it should be
used with a very rich mixture setting, basically
as rich as the engine will run. Engines require
a running-in of about 10-20 minutes using
moderate rpm. During this running-in period
a lot of smoke and oil should come out of the
mufer, indicating excessive lubrication.
The default needle setting of the carburetor is
a good starting place for break-in.
ALWAYS REMEMBER SMOKE IS GOOD!
YOU ALWAYS WANT TO SEE SMOKE WHEN
RUNNING YOUR ENGINE.
Start tuning only after you have given the en-
gine 2 to 3 minutes to warm up to its full oper-
ating temperature. Do not tune it before then,
a cold engine will seem to run rich but will lean
out on its own as it approaches its operating
temperature.
Once your engine is broken in and idling and
running well, you can tune the high speed
needle by turning it in slightly to lean out the
engine and make more power. Remember to
make 1/16th to 1/8 of a turn at a time. It is a
small engine and only small adjustments are
necessary. Remember you always need to
see smoke when running at full throttle. That
means the engine is getting enough oil.
Weather effects the tuning of your engine. You
need to run it rich, (more fuel) in hot weather
and leaner, (less fuel) in cold weather.
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