you should have removed this plate from under the intake manifold have you drilled out the restrictor in the pipe? also make sure the rc valves are set right it makes a big diffrance



Other Restrictions
the UK spec bikes do not have restricted CDI units, only the import (RR) bikes have these. The only other way in which the NSR is restricted is that the UK spec bikes have 1 tooth missing from the front sprocket, fitting a larger one will see the bike hitting 110Mph at the expense of some acceleration time. Some bikes which have been restricted as imports have the movement of the throttle slide restrcited, so the throttle is never fully open - to check this have a look into the carb whilst turning the throttle and try to account for all the throttle grip movement.