An engine type of the FP 1.76 cc series, which was released as the successor series to the FSR series according to the OS line card. The engine must be started via the flywheel and, unlike the -MX type, does not have a pull starter.

Single-cylinder 2-stroke engine with glow plug ignition, Schnürle flushing, rotary valve crankshaft, side exhaust, crankshaft bearing as pressed-in bronze bushing, throttle carburetor with cylindrical throttle plug. Special extreme heat sink for water cooling made of fine die-cast aluminum.

Other engines