It is labelled as caunter scheme, but as most of them looked identical I thought it may be a white leading edge. The white section of vehicle mudguards would be illuminated by the blackout mask as it deflects the light downward......
The Caunter scheme which always seems a bit pointless on a motorcycle to me, usually involved three different colours, which would include a desert or stone colour for the middle east. Maybe those light patches are 'Stone' Ron