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 checkDiagnostic information and procedures
Drive chain and sprocket symptom diagnosis
Condition
Possible cause
Correction / reference item
Noisy drive chain
Worn sprocket
Replace
Worn drive chain
Replace
Stretched drive chain
Replace
Too large drive chain slack
Adju ...
Throttle valve synchronization
Check and adjust the throttle valve synchronization
among four cylinders.
Start the engine and run it in idling condition
for
warming up.
Stop the warmed-up engine.
Lift and support the fuel tank. Refer to “fuel
tank
removal and installation” in section 1g (page ...
Throttle body inspection and cleaning
Refer to “throttle body disassembly and assembly” .
Cleaning
Some
carburetor cleaning chemicals,
especially dip-type soaking solutions, are
very corrosive and must be handled carefully.
Always follow the chemical manufacturer’s
instructions on proper use, handling and
sto ...