If the fuel level indicator light (1) does not function properly, check the fuel level gauge and its lead wire/ coupler.
If the fuel level gauge and its lead wire/coupler are functioning properly, replace the combination meter with a new one.

Engine coolant temperature indicator light inspection
Fuel level gauge inspectionStarter motor disassembly and assembly
Refer to “starter motor removal and installation” .
Disassembly
Disassemble the starter motor as shown in the starter motor components
diagram. Refer to “starter motor components” .
Assembly
Reassemble the starter motor in the reverse order of
removal. Pay attention to the following points:
...
Foreword
This manual contains an introductory description on the suzuki gsx-r1000 and
procedures for its inspection/
service and overhaul of its main components.
Other information considered as generally known is not included.
Read the general information section to familiarize yourself with the mot ...
Special situations require special care
Of course, there are some times
when full-force braking is not the
correct technique. When the road
surface is wet, loose, or rough,
you should brake with care. When
you're leaned over in a corner,
avoid braking. Straighten up
before braking. Better yet, slow
down before entering the corner. ...