Z-tek
Normal version
The Z-tek is second most powerful motor in Stock RA2, the first being the HPZtek. It is plain white, with a black rear, weighing 25 kg. Standard hitpoints, 24 torque, 28 maxspeed.
High Power version
The most powerful motor in Stock RA2 is the High Power Z-tek (commonly abbreviated to HPZ-tek or HPZ). It is slightly longer than the Z-Tek and features red, black, and white stripes around it's sides.
The HPZ-tek is widely used in the RA2 community because of its power (it is the motor with the best power/weight ratio). It draws as much electricity as the Ztek and has twice the torque, for only 5kg more than the normal Z-tek. It weighs 30 kg.
The Z-tek is a rather obvious reference to a real-life motor, the E-tek, of which the Z-tek strongly resembles. Notably, there is an E-Tek available in DSL.
While 1 Supervolt can power 4 HPZ teks for 3 minutes, you will find your bot greatly diminished after 2 minutes because of low power. At least 2 blacks will suffice for a decent supply of power to the motor.