Page 201 - Manual Oficina Polaris Sportsman 570 2014 a 2016

ENGINE / COOLING SYSTEM

3. Separate crankcase halves by tapping with a soft CRANKSHAFT INSPECTION
faced hammer in reinforced areas and lift the lower
crankcase half off the upper crankcase half. NOTE

NOTE The connecting rod uses plain bearings. The
connecting rod bearings are not serviceable. If ANY
The cylinder head studs w must be replaced any time excessive wear or movement is present or if the rod
the cylinder head nuts are loosened. does not rotate on the crankshaft freely, the crankshaft
Use a commercially available stud removal tool. The assembly must be replaced.
stud thread pitch is M8 x 1.25.
1. Use a feeler gauge to measure the connecting rod
big end side clearance q. 3
TORQUE
Cylinder Head Studs:
13 ft-lbs (17 Nm) (Replacement required)

CRANKSHAFT REMOVAL
1. Remove the cylinder head.

2. Remove the cylinder and piston.
3. Remove the stator cover and flywheel.
4. Remove the water pump cover and water pump
impeller.
5. Remove the balance shaft assembly.
6. Remove the engine oil sump cover. Connecting Rod Big End Side Clearance:
7. Separate the engine case halves. 0.00590-.01771″ (.15 - .45 mm)

8. Place the upper engine case cylinder side down and
lift the crankshaft assembly from the engine. 2. Measure the connecting rod small end I.D. w.

Small End I.D. Standard:
.7086 - .709″ (18.000 - 18.018 mm)
Service Limit: .710″ (18.036 mm)

9926803 R06 - 2014-2016 Sportsman 325 / ETX / 450 HO / 570 Service Manual 3.79
© Copyright Polaris Industries Inc.