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Use a Strong Starter Battery
A weak starter battery, or one that has not been fully charged, may
not deliver enough power to crank the engine over at the appropriate
rpm to keep the piston from sticking at top dead center (TDC). A new
engine will typically have a tight fit between the piston and the top of
the sleeve. This is a tapered fit, and a tight piston sleeve fit on initial
startup is desirable for those who want the best-performing engine.
Make sure you are using a good quality battery pack that is fully
charged (new batteries usually require several charge cycles to reach
peak voltage and full capacity). This is especially important with a new
engine that needs to be broken in. If the engine sticks at TDC, see
page 39 for instructions on freeing the engine.
Shutting Off The Engine
Turning off the switch for the radio will not
shut off the engine. To shut off the engine,
use the shut-off clamp on the fuel line.
Squeeze the clamp closed to shut off the fuel
supply to the engine. Don’t forget to release it
when you restart the engine.
Avoid shutting off the engine by placing your finger over the exhaust
outlet, especially if you are through driving for the day. This will
leave more unburned fuel in the engine that could lead to harmful
corrosion.
Always be careful not to touch the exhaust pipe after
running, it can become very hot.
When the EZ-Start controller
is in protection mode, wait
at least three minutes before
attempting to start the
engine, to give the starter
motor time to cool.
It’s normal for your EZ-Start
controller to become warm
after repeated use.
The TRX 3.3 Racing Engine
