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Polaris 550 EPS owner manual Spark Plugs, Spark Plug Recommendations, Spark Plug Inspection

Models: 550 EPS

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Page 124

MAINTENANCE

Spark Plugs

Spark Plug Recommendations

Refer to the specifications section beginning on page 148 for the recommended spark plug type and gap for your vehicle. Torque spark plugs to specification.

NOTICE: Using non-recommended spark plugs can result in serious engine damage. Always use POLARIS-recommended spark plugs.

Plug Condition	Torque Specification

New Spark Plug	9-11 ft. lbs.
	(12-15 Nm)
Previously Installed	17-20 ft. lbs.
Spark Plug	(23-27 Nm)

Spark Plug Inspection

Spark plug condition is indicative of engine operation. Check the spark plug firing end condition after the engine has been warmed up and the vehicle has been driven at higher speeds. Immediately check the spark plug for correct color. See page 123.

CAUTION! A hot exhaust system and engine can cause burns. Wear protective gloves when removing a spark plug for inspection.

1.Rotate the spark plug cap 1/4 turn and pull it off the spark plug.

2.Using the special wrench provided in the tool pouch, rotate the spark plug counter-clockwise to remove it.

3.Reverse the procedure for spark plug installation. Torque to specification.

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Polaris 550 EPS Spark Plugs, Spark Plug Recommendations, Spark Plug Inspection, Plug Condition Torque Specification

Contents

Sportsman X2 550 EPS Page Welcome Page Table of Contents Introduction European Vibration and Noise Vehicle Identification Numbers VINSafety Safety TrainingSafe Riding Gear HelmetBoots Equipment ModificationsEye Protection GlovesOperating Without Instruction Safety WarningsAge Restrictions Exposure to Exhaust Handling GasolineFailure to Inspect Before Operating Using Alcohol or Drugs Protective ApparelCarrying a Passenger Carrying More Than One PassengerCarrying a Passenger Cargo Box Operating on PavementOperating on Public Roads Operating at Excessive SpeedsTurning Improperly Physical Control of the ATVJumps and Stunts Descending Hills Improperly Improper Hill ClimbingCrossing Hillsides Stalling While Climbing a Hill Operating on Steep HillsOperating in Unfamiliar Terrain Operating on Slippery TerrainOperating Improperly Reverse Operating Over Obstacles Improper Tire MaintenanceSkidding or Sliding Operating Through Deep Water Improper Cargo LoadingOperating on Frozen Bodies Water Poor VisibilityOperating a Damaged ATV Physical SkillsHot Exhaust Systems Unauthorized Use of the ATVSafety Labels and Locations General WarningAge 16 Warning Reverse Override Warning/AWD CautionPassenger Safety//Discretionary Warning Passenger Must AlwaysTire Pressure/Load Warning Clutch Cover Warning Rack Warning, FrontHitch Capacity Label Box Warning Features and Controls SwitchesMode/Reverse Override Switch Engine Stop Switch4X4 Switch Main Key SwitchHeadlight Switch Throttle Lever Brake Lever Master Cylinder/Brake Fluid Parking Brake Locking the Parking BrakeAuxiliary Foot Brake Brake Fluid Level Automatic Transmission Gear Selector Electronic Power Steering EPSBelt Life Extreme Use 30 AH Battery Fuel Tank Cap4X4 Mode ADC 4X4 ModeAll Wheel Drive System Turf Mode 2X4 ModeEngaging Engaging Active Descent Control Active Descent Control ADC SystemDisengaging Active Descent Control Passenger Seat Seat ConversionBackrest Adjustment Latch Passenger Front Box/Compartment Digital/Analog Gauge Instrument ClusterSpeedometer Indicator Lamps Lamp Indicates ConditionRider Information Center Features and Controls Display Units Standard/Metric Odometer Mode Programmable Service Interval Engine Error Codes Diagnostic Display Code Definitions Sportsman X2 550 EPS Diagnostic Codes EPS Models Only Operation Break-In PeriodEngine and Drivetrain Break-in PVT Break-in Clutches/BeltPre-Ride Checklist RemarksSafe Operation Practices Know Your Riding Area/Tread Lightly Trail EtiquetteStarting the Engine Cold Weather OperationDriving Procedures Turning the Vehicle Driving with a Passenger Operation Driving on Slippery Surfaces Driving Uphill Driving on a Sidehill Sidehilling Driving Downhill Turning Around on a Hill K-Turn Operation Driving Through Water Driving Over Obstacles Driving in Reverse Parking on an Incline Hauling Cargo Do not Travel Faster than the Recommended SpeedsNever exceed 50 MPH 80 km/h while carrying a passenger Towing Loads Dumping Cargo Winch Safety Precautions Winch GuideWinch Guide Winch Guide Winch Operation YES no Winch Guide Winch Guide Winch Guide Winch Cable Care Shock Loading Winch Guide Winch Maintenance and Service Safety Emission Control Systems Periodic Maintenance Chart MaintenanceSevere Use Definition Maintenance Chart Key Symbol DescriptionMiles Fuel system 100 H 12 M Procedure Lubrication GuideEngine Oil Oil RecommendationsOil Level Oil and Filter Change Oil Filter Transmission Oil Oil CheckOil Change Front Gearcase Demand Drive Fluid ADC Extreme Use DefinitionFluid Check Fluid ChangeActive Descent Control ADC Fluid Fluid LevelPosition the vehicle on a level Rear Gearcase Oil Power Steering Unit Cooling System Recovery Bottle Coolant Radiator Coolant Hand Brake BrakesAuxiliary Foot Brake Steering Assembly Toe AlignmentSeat Removal Side Panel/Footwell RemovalTires Tire Tread DepthFront Wheel Hub Tightening Wheel RemovalWheel Nut Torque Specifications Wheel InstallationWheel Type Nut Type Nut Torque Air Filter Fuse Replacement Headlight Lamp Replacement LightsHigh Beam Adjustment Low Beam Adjustment Headlight Housing ReplacementLower Headlamp Replacement Taillight/Brakelight Lamp ReplacementPlug Condition Torque Specification Spark PlugsSpark Plug Recommendations Spark Plug InspectionNormal Spark Plug Wet Fouled Spark PlugVehicle Immersion Spark Arrester PVT System 127 PVT Drying When To Use Low Range and High RangeCondition Range to Use Battery Battery RemovalBattery Installation Battery Storage Battery Charging State Voltage Action Charge Time Throttle Body/Idle RPM Throttle Cable Freeplay135 Handlebars Camber and Caster Front and Rear SpringsAccessories Transporting the ATVWashing the Vehicle Cleaning and StorageWashing Tips Polishing the Vehicle Polishing TipsClean the Exterior Storage TipsOil and Filter Fluid LevelsBattery Storage Fog the EngineAir Filter / Air Box Inspect and LubricateTroubleshooting Drive Belt Wear/BurnEngine Turns Over, Fails to Start Engine Doesnt Turn OverEngine Backfires Engine Pings or Knocks Engine Runs Irregularly, Stalls or MisfiresEngine Stops or Loses Power Engine OverheatingPolaris Products Part Number DescriptionSpecifications Sportsman X2 550 EPSClutching N/R/PWarranty Limited WarrantyLimitations of Warranties and Remedies Lubricants and Fluids152 HOW to Obtain Warranty Service Exported Products A. EPA Emissions Limited Warranty 156 California Residents Maintenance LOG 159 Battery Index161 162 163 9924657