14
DYNAMITE FUZE 540 4-POLE 3300KV SENSORLESS BRUSHLESS MOTOR
PRECAUTIONS
» Never touch moving parts.
» Never disassemble while the batteries are installed.
» Always let parts cool before touching.
ADJUSTING THE SLIPPER
Turn the 5mm adjustment nut clockwise (to the right) to reduce
the slip or counterclockwise (to the left) to increase the slip.
CHANGING THE PINION GEAR/GEAR RATIO
Your vehicle comes with the 20T pinion gear. To change to an-
other pinion gear (sold separately), follow the directions below.
1 Unscrew the 3 screws holding the gear cover/motor mount
in place.
2 Remove the motor gear cover.
3 Remove the pinion gear.
4 Remove the screws holding the motor and move to the
appropriate holes (marked with the number of teeth on
the pinion) and reinstall the screws.
5 Place the new pinion gear on the motor shaft.
6 Reinstall the gear cover.
GEARING
Your vehicle has been equipped with
the optimal gearing for the stock
platform. It oers an ideal balance
between speed, power and eciency.
Should you decide to customize your
vehicle with optional batteries or mo-
tors, it may be necessary for you to
change the pinion or spur gear.
Installing a pinion gear with less teeth
or a spur gear with more teeth will
provide greater torque but will reduce
top speed. Likewise, a pinion gear with
more teeth or a spur gear with fewer
teeth will reduce torque and increase
top speed. Care should be taken when
installing larger pinion gears as this
can “overgear” the vehicle, result-
ing in overheating of the motor and
ESC.When testing dierent gearing
options, pay close attention to the
temperature of the motor and speed
control to ensure you are operat-
ing within the temperature range of
the components.The motor or ESC
should never be so hot that it cannot
be touched.If temperatures are too
hot, a dierent gearing combination
with a lower pinion gear and/or higher
spur gear is suggested.
GEAR CHART
/ / / / / / / / / / / / / / / / / / / / / / /
FINAL DRIVE RATIO
2S 3S
PINION
16T 14.52 14.52
17T 13.66 13.66
18T 12.91 12.91
19T 12.23 12.23
20T 11.61 11.61
21T 11.06 11.06
22T 10.56 10.56
23T 10.10 10.10
24T 9.68 9.68
INTERNAL GEAR RATIO 2.67
SPUR 87
PINION 20
FINAL DRIVE RATIO 11.61
Marginal
Thermo
OK
FINAL DRIVE RATIOS
EXAMPLE
SETTING THE GEAR MESH
The gear mesh has already been set at the factory, and setting
it is only necessary when changing motors or gears.
Proper gear mesh (how gear teeth meet) is important to the
performance of the vehicle. When the gear mesh is too loose,
the spur gear could be damaged by the pinion gear of the
motor. If the mesh is too tight, speed could be limited and
the motor and ESC will overheat.
To set the gear mesh, screw the motor into the corresponding
marked set of holes. For example, with a 20T pinion, the motor
screws must be screwed into the holes labeled “20”.
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