Im sure its back in this thread somewhere.
Its an 1985 R80G/S, running 70HP R100RS motor.
HPN 5% lower 1st & 5% Higher 5th.
5% Taller 32:10 Final Drive. From the Swiss R80ST.
Ohlins Rear, Gold Valves Front.
Custom Made Stainless Steel Exhaust.
Large Headlight - Same as R1150R
310mm floating front disc with 4 piston Brembo. Made my own bracket.
Screen is a Givi Screen, bought in a kit to fit an R1150R made my own mounting brackets.
R100GS front guard and thumbnail.
I have a 50mm swing arm extension to fit next.
Apart from that its stock
It rides very well.
Here are some old pics of the bike after the build
Since these I have fitted black rocker covers. Which I prefer over the Kidney ones. They are stronger too.