3.88
9850043 R01 - 2017-2021 RANGER 500 / 570 Service Manual
© Copyright Polaris Inc.
570CC DOHC ENGINE
ENGINE DETAIL, TORQUES /
SEQUENCES
ENGINE FASTENER TORQUE SPECIFICATIONS
570 Engine
Description Torque
Bearing Retainer Fastener
8 ft-lbs (11 N·m) Apply Loctite® 272
Upper Cam Chain Guide Fasteners 7 ft-lbs (10 N·m)
Cam Chain Tensioner 30 ft-lb (40 Nm)
Camshaft Carrier Bolts 7 ft-lb (10 Nm)
Camshaft Sprocket Bolts 14 ft-lb (19 Nm)
Coolant Bleed Screw 72 in-lbs (8 Nm)
Coolant Temperature Sensor 17 ft-lb (23 Nm)
CPS Retaining Bolt 9 ft-lb (12 Nm)
Crankcase Bolts 22 ft-lbs (30 N·m) Torque in Sequence Shown
Crankshaft Position Sensor (CPS) Fastener 9 ft-lbs (12 N·m)
Cylinder Head Bolts - Black
Torque in sequence for all steps
Step 1: 21 ft-lbs (28 N·m)
Step 2: 26 ft-lbs (35 N·m)
Step 3: Additional 135°
Torque the Outer M6 Head Bolts 89 ± 9 in-lbs (10
± 1 Nm)
Cylinder Head Bolts - Silver
Apply light coat of engine oil to bolt threads and
under bolt head
Torque in sequence for all steps
Step 1: 18 ft-lbs (25 N·m)
Step 2: 30 ft-lbs (41 N·m)
Step 3: Loosen all fasteners until they are
unseated
Step 4: 15 ft-lbs (20 N·m)
Step 5: 26 ft-lbs (35 N·m)
Step 6: Additional 180°
Step 7: Additional 180°
Torque the Outer M6 Head Bolts 89 ± 9 in-lbs (10
± 1 Nm)
ETC Fasteners 7 ft-lbs (10 N·m)
Engine Mount (front) 40 ft-lbs (54 Nm)
ENGINE / COOLING SYSTEM
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