3.12
ENGINE
3. If the crank rod pin location is 180
o
from the dial indicator,
it will be necessary to spread the crankshaft at position A
as shown in the illustration at right. When rebuilding and
straightening a crankshaft, runout must be as close to zero
as possible.
NOTE: Maximum allowable runout is .0024”
Engine Lubrication - EH50PL
Oil Type: . . . . . . . . Polaris Premium 4 Synthetic (2871281)
Capacity: . . . . . . . . Approximately 2 U.S. Quarts (1.9 l)
Oil Filter: . . . . . . . . (3084963)
Filter Wrench:. . . . . (PV-43527)
*Drain Plug / Screen Fitting . . . . . . 14 ft. lbs. (19 Nm)
If fitting is removed, follow oil pump priming procedure.
*Oil Pressure Specification . . . . . . .20 PSI @ 5500 RPM,
Polaris 0W-40 Synthetic (Engine Hot)
Oil Pressure Test - EH50PL
1. Remove blind plug on front left cylinder head.
2. Insert a 1/8 NPT oil pressure gauge adaptor into the cylinder
head and attach the gauge.
3. Start engine and allow it to reach operating temperature,
monitoring gauge indicator.
NOTE: Use Polaris Premium 4 Synthetic Engine
Lubricant (PN 2871281).
Oil Pump Priming Procedure
NOTE: This priming procedure must be performed
whenever the oil hose connection between the oil
tank and pump inlet has been disconnected.
1. Clamp or pinch off vent line approximately 2” from oil
tank to avoid the end of oil tank vent fitting, and before the
vent line’s pressure relief slit.
2. Run engine for 10-20 seconds.
3. Remove the vent line (A) clamp. The oil pump will now
be properly primed and ready for field operation.
NOTE: If the system is primed properly you should
hear some air release. If you do not, the system has
not primed. Repeat the process if necessary.
Oil Pressure at 5500 RPM (Engine Hot):
Standard: 20 PSI
Minimum: 12 PSI
HIGH .002 (.05 mm)
HIGH .005 (.13 mm)
(A) Vent Hose to Air Box
Oil Lines
To Engine
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