Husqvarna NUDA 900 R 2012 Workshop Manual page 27

NUDA 900 2012/2013 - NUDA 900 R 2012/2013
Trouble
Low or no engine oil pressure
High engine oil pressure
TROUBLESHOOTING
Possible causes
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
Ignition cover gasket leaking into inside of
engine (leakage of oil pressure circuit)
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
Pressure regulating piston blocked (bypass
valve stuck in closed position)
Oil circuit blocked
C.5
Remedy
Refill oil
Check/replace pressure regulating piston
Check / replace oil pump and/or oil pump
drive
Replace ignition cover gasket and tighten
ignition cover with correct touque
Replace oil pump
Exchange piston rings and/or cylinder
Use motorcycle at long distances in
between
Clean / replace oil sieve and replace oil
filter
Check/replace pressure regulating piston
Clean oil ducts
Manuale d'officina Ed. 11-2011