Legendary O.S. quality in a brushless electric motor! This one is intended as a replacement of .40 - .50 class 2 stroke and .70 class 4 stroke engines, using 5 or 6 cell Li-Po packs and will provide strong, linear power.

This new range of brushless motors features a unique. O.S. designed cooling system, a strengthened centre body and large ball bearings. The propeller driver has been machined from stainless steel for both strength and durability.

Each motor is balanced during manufacture for optimum running and reliability.

Supplied with a rear mount and 4mm gold connectors as standard accessories.

Note: To find out if this motor will suit your model please download the instructions as there are power charts showing the performance and setup you can achieve.