15
RAZER 4268 / 4274 Motor
Warnings
• Never leave this product unsupervised when it is powered on.
• Ensure all wires and connections are well insulated before connecting the motor to related devices, as short circuit
will damage your motor.
• Make sure all components are properly connected to prevent damage to the electrical components.
• Read through the manuals of all power devices and chassis and ensure the power configuration is rational before
using it. Never hit full throttle without installed pinion, no load may cause damage the motor.
• Use a soldering iron with a capacity of at least 60 watts to solder the connections.
• Do not hold the vehicle in the air and give full throttle. The rubber tires are extremely enlarged due to the lack of
resistance and can possibly be damaged. burst, which can cause serious injury.
• Stop using the motor as soon as the motor housing exceeds 90°C, otherwise the rotor may be demagnetized and
cause irreversible damage to the motor when overtemperature occurs.
Specifications/Connection
How to Mount the Motor into a RC vehicle
M3 or M4 mounting screws are needed here, and as the mounting holes are 8mm in depth, so we don’t recommend
using the M3 or M4 screws with the length exceeds 10mm to mount the motor into your vehicle. Please choose the
right mounting screws as per your chassis.
How to Connect the Motor to an ESC
There is no polarity on the three A/B/C ESC-to-motor wires, so do not worry about how you connect them initially.
You may find it necessary to swap two wires if the motor runs in reverse direction.
Recheck the Installation & Connections
Recheck the installation and all the connections before turning on the power.
FDR/Gear Ratio Selection
It’s important to select the FDR/gear ratio properly, as improper FDR/gear ratio may cause you great loss. Therefore,
please choose the gear ratio by referring to the following points!
Operating Temperature of the Motor
The motor temperature should be lower than 90°C (194°F)during the operation. Temperatures above 90°C will
weaken the magnet and may partly melt the coils and eventually damage the ESC (because of strong current).
Therefore, the most effective way to prevent overheat is to select the right gear ratio.
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