Siebenrock 1000cc Power Conversion Kit for R75/6, R75/7, R80/7, R90/6, R90S ('76-'80)
Up to 10 HP power increase for the older models from 1976-1980 with 99mm block bore.
Just exchange Cylinders+pistons - nothing else has to be modified.
FITS: From 09/75 production date and on
Kit is complete except for top end gaskets.
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