|An A0 drawing by Aspin showing his 650 Triumph twin, plus detailed drawings by Triumph Meriden for crankcase fitment.
Unbelievably I seem to have good quality drawings from Aspin on this engine, accompanied by a set of detailed
drawings by the Meriden factory for the crankcases and timing side for the unit construction 650 Triumph
Click to get image with zoom
|General arrangement||General arrangement||Head|
|Drive-side crankcase||Drive-side crankcase||Timing-side crankcase||Timing-side crankcase|
|Cylinder block||Cylinder block||Cylinder block||Cylinder block|