If the fuel injection indicator displays "fi", showing signs of trouble in the fuel injection system, take your machine to an authorized suzuki dealer. Refer to the "instrument panel:' section for fuel injection system indicator explanation. If the indicator does not display "fi", make sure there is enough fuel in the fuel tank. If the indicator does not display "fi" and there is enough fuel, ignition system should be checked.
Troubleshooting
Ignition system checkFront brake master cylinder / brake lever disassembly and assembly
Refer to “front brake master cylinder assembly removal and installation” .
Disassembly
Remove the reservoir cap (1), plate (2), diaphragm
(3) and reservoir tank (4).
Remove the brake light switch (5) and brake lever
(6).
Remove the dust boot (7) and push rod (8).
  ...
Oil cooler / oil cooler hose inspection and
cleaning
Refer to “exterior parts removal and installation” in section 9d .
Oil cooler hose inspection
Inspect the oil cooler hoses for any damage and oil
leakage. If any defects are found, replace the oil cooler
hose with a new one.
Oil cooler inspection
Remove the oil cooler guard (1).
...
Piston and piston ring inspection
Refer to “piston ring removal and installation” .
Piston diameter
Measure the piston diameter using the micrometer at 15
mm (0.6 In) “a” from the skirt end. If the piston diameter
is less than the service limit, replace the piston.
Special tool
(a): 09900–20203 (micrometer (50 –
75 mm))
Pis ...