Laura Engine

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Laura model engines were used on the vast majority of Batavus mopeds in the U.S. and Europe

Laura M48 Motoren

Air cooled single cylinder two-stroke Laura Motoren unit. 40mm (1.57in) bore X 38mm (1.49in) stroke = 47.78cc (2.91cu in). Maximum power 2.4bhp at 5000rpm. Cast-iron cylinder barrel and aluminum-alloy head. Compression ratio 7:1. 2 rolling-element main bearings. 3 ports, reed valve, 1 Encarwi S22 Carburettor.

U.S. and European models.


Laura M56 Motoren

Found on the Batavus Regency and some Starflites. Daelim Motors produced mopeds under the name Trac, which used an identical replica of this motor in the mid 80's. The Trac M56 is officially the Daelim M56. Parts between the Laura M56 and the Daelim M56 are 100% identical and interchangeable.

Air cooled single cylinder two-stroke Laura Motoren unit. 40mm (1.57in) bore X 38mm (1.49in). NIKASIL plated aluminium cylinder and aluminum head, rolling-element main bearings. reed valve, 1 Encarwi Carburettor.

U.S. models only.

M56 exploded view
alternate M56 exploded view; clutch