Suzuki GSX1300R Manual page 82

1A-11 Engine General Information and Diagnosis:
Condition
Engine lacks power
(Defective control circuit
or sensor)
Engine overheats
(Defective engine internal
parts)
Engine overheats (Lean
fuel/air mixture)
Engine overheats (Other
factors)
Dirty or heavy exhaust
smoke
Possible cause
Low fuel pressure.
Defective TP sensor.
Defective IAT sensor.
Defective CKP sensor.
Defective GP switch.
Defective IAP sensor.
Defective AP sensor.
TP sensor out of adjustment.
Defective STP sensor and/or STVA.
Heavy carbon deposit on piston crown. Clean.
Not enough oil in the engine.
Defective oil pump or clogged oil circuit. Replace or clean.
Sucking air from intake pipe.
Use of incorrect engine oil.
Defective cooling system.
Short-circuited IAP sensor/lead wire.
Short-circuited IAT sensor/lead wire.
Sucking air from intake pipe joint.
Defective fuel injector.
Defective ECT sensor.
Ignition timing is too advanced due to
defective timing advance system (ECT
sensor, GP switch, CKP sensor or
ECM).
Too tight Drive chain.
ISC inconnect learning.
Too much engine oil.
Worn piston ring or cylinder.
Worn valve guide.
Scored or scuffed cylinder wall.
Worn valve stem.
Defective stem seal.
Worn oil ring side rail.
Correction / Reference Item
Repair or replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.
Adjust.
Replace.
Add oil.
Retighten or replace.
Change.
See radiator section.
Repair or replace.
Repair or replace.
Repair or replace.
Replace.
Replace.
Replace.
Adjust.
Reset learned value.
Check with inspection window, drain out
excess oil.
Replace.
Replace.
Replace.
Replace.
Replace.
Replace.