4-12
Oil Filter/Oil Pump
NOTE: Whenever internal engine components
wear excessively or break and whenever oil is con-
taminated, the oil pump should be replaced. The
oil pump is not a serviceable component.
Testing Oil Pump
Pressure
1. Connect the Tachometer to the engine.
2. Connect the Oil Pressure Test Kit to the oil filter
drain plug.
KC195A
KC267
NOTE: Some oil seepage may occur when install-
ing the oil pressure gauge. Wipe up oil residue
with a cloth.
3. Warm up the engine to normal operating tempera-
ture (cooling fan cycling); then increase engine
RPM to 3000 RPM. The oil pressure must read
1.1-1.7 kg/cm
2
(16-25 psi) on the 350 or 0.6-0.7
kg/cm
2
(8.5-17 psi) on the 425.
KC268
KC269
NOTE: If the oil pressure is lower than specified,
check for low oil level, defective oil pump, or
restricted oil cooler.
NOTE: If the oil pressure is higher than specified,
check for clogged oil passage, clogged oil filter, or
improper installation of the oil filter.
Oil Cooler (350)
0743-004
REMOVING
NOTE: It is not necessary to drain the engine oil
for this procedure.
KEY
1. Oil Cooler Assy
2. Oil Cooler
3. Fan
4. Nut
5. Machine Screw
6. Grommet
7. Shoulder Screw
8. Bushing
9. Clamp
10. Hose
11. Bolt
12. Fitting
13. O-Ring
14. Fitting
Section
Table of Contents
Manual
Table of Contents
For Discount Arctic Cat Parts Call 606-678-9623 or 606-561-4983
www.mymowerparts.com