Husqvarna TR 650 TERRA 2013 Workshop Manual page 24

Trouble
Engine overheats
Engine temperature is too low
Engine produces excessive blue smoke or
engine uses too much oil
Engine vibrates
Engine oil quantity increases
Low or no engine oil pressure
Manuale d'officina Ed. 09-2012
TROUBLESHOOTING
TR 650 TERRA 2013 - TR 650 STRADA 2013
Possible causes
Not enough coolant in cooling system, cool-
ing system leaking, air in cooling system
Cooling fan motor defective
Not enough engine oil in the engine
Radiator dirty
Faulty thermostatic valve
Ignition unit defective, ignition timing incor-
rect
Water pump, water pump drive defective
Oil pump or oil pump drive defective, oil
circuit blocked
Cylinder head gasket defective
Leak air
Faulty thermostatic valve
Too much oil in the engine (oil in the airbox) Drain engine oil
Cylinder head gasket leaking
Valve stem seals leaking
Oil diluted with fuel / Piston rings and/or
cylinder bore worn
Oil diluted with fuel / motocycle is only used
in short distances (cold engine)
Engine fixation into frame loose
Bearing or bearing seat worn
Oil diluted with fuel / motocycle is only used
in short distances
Oil diluted with fuel / Piston rings and/or
cylinder bore worn
Not enough engine oil in the engine
Pressure regulating piston blocked (bypass
valve stuck in opened position)
Oil pump and/or oil pump drive defective
Oil pump worn
Oil diluted with fuel / Piston rings and/or
cylinder bore worn
Oil diluted with fuel / motocycle is only used
in short distances
Oil sieve / oil filter dirty/blocked
Remedy
Refill coolant, check system under pressure
Replace cooling fan motor
Refill oil
Clean radiator
Replace
Check / replace crank position trigger, ECU
and sensors
Repair water pump, check and renew water
pump drive
Exchange oil pump or oil pump gears,
clean oil circuit
Exchange cylinder head gasket
Check / replace intake socket
Replace
Exchange cylinder head gasket
Exchange valve stem seals
Exchange piston rings and/or cylinder
Use motorcycle at long distances in between
Tighten engine fixation
Replace bearing or worn component
Use motorcycle at long distances in between
Exchange piston rings and/or cylinder
Refill oil
Check/replace pressure regulating piston
Check / replace oil pump and/or oil pump
drive
Replace oil pump
Exchange piston rings and/or cylinder
Use motorcycle at long distances in between
Clean / replace oil sieve and replace oil filter
C.4