B40 engine number

[DAVE BRADY]

Hi,

See attached image. 
Unusual number.  Does anyone know what it is?

Dave.

[JulianS]

Not many made. These were the B40 Military mark 2, and from 462-577 (the last one) were the civy Rough Rider.

[Rupert]

It's an ex-Jordanian army B40 Military Mk2 engine. The lower number is the Jordanian Army service number which they stamped on it. Also stamped on the frame next to the BSA number.

[DAVE BRADY]

Hi,

Thanks fore the info.

Dave.