Engine Troubleshooting, Engine Doesn’t Turn Over | Polaris 2003 MSX

ENGINE TROUBLESHOOTING

Engine Doesn’t Turn Over

	Possible Cause	Solution
	Possible Cause	Solution

	Blown fuse	Replace the fuse

	Low battery voltage	Recharge battery to 12.5 VDC

	Loose battery connections or ground	Check all connections and tighten as needed

	Hydrolock (water in engine)	See your Polaris dealer

	Loose starter relay (solenoid) connections	Check all connections and tighten

	Lanyard lock plate not in place	Install lock plate under shut-off switch
	Engine Turns Over But Doesn’t Start

	Possible Cause	Solution
	Possible Cause	Solution

	Out of fuel	Refuel

	Old or non-recommended fuel	Replace with new fuel

	Fouled or defective spark plugs	Inspect plugs, replace as needed

	Crankcase filled with water or fuel	See your Polaris dealer

	Clogged fuel filter	Replace the filter

	Low battery voltage	Recharge battery to 12.5 VDC

	Mechanical failure	See your Polaris dealer

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Polaris 2003 MSX owner manual Engine Troubleshooting, Engine Doesn’t Turn Over, Engine Turns Over But Doesn’t Start

Contents

MSX Page We’ve created a web site, just for YOU Page Polaris Professional Series Workmobilest WelcomePolaris Recreational Vehicles Table of Contents Your Responsibilities Do Your Part Maintenance Requirements Age Restrictions Identification Numbers Safety Signal Words and Symbols Safety Decals Safety To Avoid Collisions Righting Capsized Boat Informational Decals Located on the engine water manifold Operator Safety Operator Guidelines Safety Eye Protection Safe Riding GearPersonal Floatation Device Suit/Shoes/Gloves Fire Safety Overloading the Watercraft Weather and Darkness Protective Apparel Obstacles and Shallow Water Pre-Operation Check Service and MaintenanceTurning and Accelerating Safe Riding Position Jet Pump Water Intake SafetyElectrical Shock Hazard Lifting the Watercraft Boating Under the Influence Operator AwarenessOperator Fitness Hypothermia Vehicle ModificationsOperator Fatigue and Dehydration To avoid hypothermia Features and Controls Exhaust Outlet Reverse Gate 911 Reverse Operation Handle Features and Controls Engine Components under seat Engine Components Primary Functions Accessible FunctionsNew Generation Instrument NGI Function Overview Display Mode Instrument Operation Display Warnings Check Engine RPM Limiter Optional Equipment AccessoriesStandard Equipment California Star Labels EmissionsEPA Emissions Regulations Three Stars Ultra Low Emission One Star Low EmissionTwo Stars Very Low Emission Operation Pre-Operation Inspection What To Do Fuel Refueling Oil Jet Pump Intake Ride Plate Impeller Drive Shaft Engine and Storage Compartments SteeringThrottle Fire Extinguisher Loose PartsSeat Battery Riding Gear HullDrain Plugs and Bilge Switches/Buttons Engine Break-in Procedure Principles of Operation Operation Stand-on Vessel Navigational RulesRight-of-way and Give-way Give-way Vessel Meeting Vessels RuleEncountering Vessels Overtaking Vessels Crossing Paths Non-Motorized Craft Fishing Vessel Right-of-Way Launch Ramp Etiquette Avoid CollisionsReading Buoys and Markers Launching the Watercraft Stopping the Engine Before Starting the Engine Starting the Engine If the Engine Doesn’t Start Boarding the Watercraft Boarding and Starting in Deep Water Operator Only Boarding With a Passenger Reverse Operation Turning the Watercraft Stopping the Watercraft Beaching the Watercraft Operating in Rough Conditions Towing a Disabled Watercraft Righting a Capsized Watercraft Operating With Passengers Post Operation Maintenance Daily Care Operation Temporary Storage Transporting The Watercraft Anti-Corrosion Treatment Submerged Waterlogged Engine Engine Water Removal Procedure Maintenance and Lubrication General Maintenance Periodic Maintenance Schedule Maintenance Schedule Key Description Fuel System Hull / Deck / Steering / Controls Throttle Cable Steering Cable Joints and Inner WireLubrication Drive Line Electrical Connections Seat Latch And Hooks Steering Nozzle Pivot ShaftThrottle Body And Oil Injection Pump Steering Handle Pivot Shaft Spark Plugs Maintenance and Lubrication Hull and Deck Care Polaris Premium Gold Synthetic Lubricant OilPolaris VES II Synthetic Lubricant Polaris Nature Oil Synthetic Lubricant Throttle Cable Inspection Steering Cable InspectionFuses Replenishing Battery Fluid BatteryBattery Maintenance and Charging Antidote Battery Removal Battery Charging Battery Installation Battery Storage Salt Water and Unclean Water Care Jet Pump Water Inlet Screen Cooling System Flushing Extended Storage Engine and Exhaust System Draining Watercraft Engine Fogging Procedure Cleaning Lubrication Engine Turns Over But Doesn’t Start Engine TroubleshootingEngine Doesn’t Turn Over Possible Weak Spark Cause Solution Engine Runs Irregularly, Stalls or Misfires Engine Overheats Engine Backfires Engine Loses Power Engine Pings or Knocks Engine RPM is Too High With Limited Speed Unusual Noise or Vibration From Propulsion System Polaris Products Oil and Lubricants Specifications Capacities / Dimensions Propulsion Warranty Obtaining Service and Warranty Assistance Warranty Policy HOW to Obtain Warranty Service Engine Oil California Emission Control System Limited Warranty Polaris Watercraft Engines OWNER’S Warranty Responsibilities 109 Index Emissions 111