Suzuki SY413 Service Manual page 2589

Condition
D Improper oil viscosity
Low oil pressure
D Malfunctioning oil pressure switch
D Clogged oil strainer
D Functional deterioration of oil pump
D Worn oil pump relief valve
D Excessive clearance in various sliding parts
Engine noise
D Improper valve lash
Note: Before check-
D Worn valve stem and guide
ing mechanical noise,
D Weak or broken valve spring
make sure that:
D Specified spark
D Warped or bent valve
plug is used.
D Specified fuel is
used.
D Worn piston, ring and cylinder bore
D Worn rod bearing
D Worn crank pin
D Loose connecting rod nuts
D Low oil pressure
D Low oil pressure
D Worn bearing
D Worn crankshaft journal
D Loose bearing cap bolts
D Excessive crankshaft thrust play
Possible Cause
Valve noise
Piston, ring and cylinder noise
Connecting rod noise
Crankshaft noise
ENGINE (ENGINE WITHOUT WU TWC) 6-13
Referring Item
Engine oil and oil filter change in
Section 0B
Oil pressure switch inspection in
Section 8
Oil pan and oil pump strainer
cleaning in Section 6A1
Oil pump in Section 6A1
Oil pump in Section 6A1
Valve lash in Section 6A1
Valves inspection in Section 6A1
Valve springs inspection in Section
6A1
Valves inspection in Section 6A1
Pistons and cylinders inspection in
Section 6A1
Crank pin and connecting rod
bearing inspection in Section 6A1
Crank pin and connecting rod
bearing inspection in Section 6A1
Connecting rod installation in Sec-
tion 6A1
Previously outlined
Previously outlined
Crankshaft and bearing inspection
in Section 6A1
Crankshaft and bearing inspection
in Section 6A1
Crankshaft inspection in Section
6A1
Crankshaft thrust play inspection in
Section 6A1