Originally Posted by Beater
It 'looks' like a LWB to me ... Does it have the 3" spacer welded in at the flange on the swingarm? I thought one of the pics looked like it. does it have the same wheel base as your 74?
That would be a 2" (50mm) spacer, not 3.
And yes it is definitely a LWB.
It was probably added. Once upon a time it was popular to do this. In those days the kit to do it was a hot commodity at BobS BMW. We couldn't keep the used parts on the shelf, they sold so fast.