Hello there, I have a Hirth 3503E engine including a G50.256 gearbox installed. This engine is as new and never been run. It is a fuel injected engine with oil injection included. The engine can viewed at Hirth 70hp 3503E Engine | Engine, Engine Parts & Transmission | Gumtree Australia Fraser Coast - Dundowran | 1173835420 if anyone is interested.
Regards
Barry