Subaru Robin DY23-2B Air cooled 4 cycle diesel engine

SMALL AND LIGHTWEIGHT
The newly developed micro fuel injection pump and crankcase structure originated in the gasoline engine have minimized the size and weight of the engine.

EXTREMELY QUIET OPERATION
The precisely synchronized fuel injection and refined combustion chamber allow lower combustion pressure which results in reduced combustion noise.
Blower housing is made from "DUMPING SHEET" a special material for insulating noise and vibration.
Larger super silent muffler and silent double element air cleaner reduce the exhaust and intake noise.

LESS VIBRATION
In addition to the reduced weight of reciprocating parts, a balancer shaft has been adopted for extremely smooth running with less vibration.
The automatic decompressor prevents shaky vibrations at stopping.

HIGH PERFORMANCE
Die-cast cylinder head generates a stable swirl of air-fuel mixture which results in the high output power and an exceptional fuel economy.
Its flat torque charracteristic provides tenacious running from slow speed to high speed.