Polaris Sportsman 9921825 User Manual (English)

Questions and Answers:

G
greenlynnAug 12, 2025
What to do if my Polaris Sportsman 9921825 engine turns over but fails to start?
- S
  Spencer WalkerAug 12, 2025
  If your Polaris Offroad Vehicle engine turns over but doesn't start, consider these possible causes and solutions: * Out of fuel: Refuel. * Clogged fuel valve or filter: Inspect and clean or replace. * Water in fuel: Drain the fuel system and refuel. * Old or non-recommended fuel: Replace with fresh recommended fuel. * Fuel valve is turned off: Turn the fuel valve on. * Fouled or defective spark plug(s): Inspect plugs and replace if necessary. * No spark to spark plug: Inspect plugs, verify stop switch is on. * Water or fuel in crankcase: Immediately see your Polaris dealer. * Overuse of choke: Inspect, clean and/or replace spark plugs. * Low battery voltage: Recharge the battery to 12.8 VDC. * Mechanical failure: See your dealer.
C
Christopher MartinAug 19, 2025
How to fix a Polaris Sportsman 9921825 Offroad Vehicle engine that doesn't turn over?
- R
  Ryan AndersonAug 20, 2025
  If your Polaris Offroad Vehicle engine doesn't turn over, check these potential issues: * Tripped circuit breaker: Reset the breaker. * Low battery voltage: Recharge the battery to 12.8 VDC. * Loose battery connections: Check all connections and tighten. * Loose solenoid connections: Check all connections and tighten.
K
Kimberly RamirezAug 31, 2025
Why does my Polaris Sportsman 9921825 engine backfire?
- C
  Christopher CookAug 31, 2025
  Your Polaris Offroad Vehicle engine could be backfiring due to: * Weak spark from spark plug: Inspect, clean and/or replace spark plugs. * Incorrect spark plug gap or heat range: Set gap to specs or replace plugs. * Old or non-recommended fuel: Replace with fresh recommended fuel. * Incorrectly installed spark plug wires: See your dealer. * Incorrect ignition timing: See your dealer. * Mechanical failure: See your dealer. * Loose ignition connections: Check all connections and tighten. * Water present in fuel: Replace with fresh recommended fuel.
B
Brian Leonard IISep 3, 2025
How to prevent my Polaris Sportsman 9921825 Offroad Vehicle engine from overheating?
- D
  Devin FuentesSep 3, 2025
  To prevent your Polaris Offroad Vehicle engine from overheating: * Check for debris lodged in the screen: Remove and clean the screen by pulling on the top portion first, then removing the lower portion. * Address a plugged radiator: Use a garden hose to flush any debris from the radiator fins. Note that high-pressure washers can deform the radiator fins and reduce cooling efficiency. * Clear an obstructed cooling fan: Clean any debris or mud that may be interfering with fan movement.
S
Steven SwansonSep 8, 2025
What causes a Polaris Sportsman 9921825 engine to ping or knock?
- W
  westlisaSep 8, 2025
  A Polaris Offroad Vehicle engine may ping or knock due to: * Poor quality or low octane fuel: Replace with recommended fuel. * Incorrect ignition timing: See your dealer. * Incorrect spark plug gap or heat range: Set gap to specs or replace plugs.

Polaris Sportsman 9921825 Specifications

General

Brand	Polaris
Model	Sportsman 9921825
Category	Offroad Vehicle
Language	English

Summary

Welcome

Introduction

Signal Words and Symbols

Explains hazard symbols like WARNING, CAUTION, NOTICE, and their meanings.

Vehicle Identification Numbers

Section to record VIN, engine serial, and key numbers for vehicle identification.

Safety

Safety Training

Details the importance and availability of ATV safety training courses.

Safe Riding Gear

Describes essential protective clothing and gear for riders.

Safety Warnings

Lists critical operational warnings and age restrictions for safe ATV use.

Features and Controls

Switches

Explains the function of various handlebar-mounted switches like AWD and mode controls.

Throttle Lever

Details the operation and safety precautions for the throttle control.

Instrument Cluster / Rider Information Center

Describes the dashboard displays, indicators, and modes.

Operation

Safe Operation Practices

Outlines essential rules for safe ATV operation.

Break-In Period

Procedures for the initial engine and drivetrain break-in.

Driving Procedures

Step-by-step guide for starting and driving the ATV.

Driving on Slippery Surfaces

Precautions for maintaining traction on slick terrain.

Driving Uphill

Safe techniques for ascending hills.

Driving Downhill

Safe techniques for descending hills.

Driving Through Water

Procedures for operating the ATV in water.

Hauling Cargo

Guidelines for safe cargo loading and towing.

Parking on an Incline

Procedures for parking the ATV on slopes.

Emission Control Systems

Exhaust Emission Control System

Explains emission controls and engine maintenance requirements.

Maintenance

Periodic Maintenance Chart

Schedule of required inspection and service tasks.

Engine Oil

Oil type recommendations and level check procedure.

Oil and Filter Change

Step-by-step guide for replacing engine oil and filter.

Transmission Oil

Procedures for checking and changing transmission oil.

Front Gearcase (Demand Drive) Fluid

Procedures for checking and changing front gearcase fluid.

Active Descent Control (ADC) Fluid

Procedures for checking and changing ADC fluid.

Cooling System

Information on coolant levels and radiator care.

Brakes

Checks for hand brake and auxiliary foot brake systems.

Toe Alignment

How to check and adjust wheel toe alignment.

Tires

Tire maintenance, removal, and installation procedures.

Air Filter

How to inspect, clean, or replace the air filter.

Fuse Replacement

Steps for identifying and replacing a blown fuse.

Lights

Headlight and taillight maintenance and adjustment.

Spark Plugs

Recommendations and inspection of spark plugs.

Vehicle Immersion

Procedures for the vehicle after submersion in water.

Spark Arrestor

How to purge accumulated carbon from the exhaust.

PVT System

Information on PVT system operation and maintenance.

Battery

Battery removal, installation, charging, and storage.

Cleaning and Storage

Vehicle washing, polishing, and storage procedures.

Transporting the ATV

Procedures for securing the ATV for transport.

Adjustments

Rear Spring

How to adjust the rear shock absorber spring tension.

Handlebars

Procedures for adjusting handlebar height.

Carburetor/Engine Idle RPM Adjustment

Adjusting the engine's idle speed.

Throttle Cable Freeplay

Adjusting the slack in the throttle cable.

Troubleshooting

Drive Belt Wear/Burn

Identifies causes and solutions for drive belt issues.

Engine Doesn't Turn Over

Troubleshoots issues where the engine won't start.

Engine Runs Irregularly, Stalls or Misfires

Diagnoses and resolves engine running problems.

Engine Stops or Loses Power

Addresses issues of the engine stopping or losing power.

Polaris Products

Specifications

Jetting Chart

Details carburetor jetting for different altitudes and temperatures.

Clutching Chart

Specifies clutch settings for different conditions.

Warranty

Limited Warranty

Outlines the terms of the limited warranty and registration requirements.

Warranty Coverage and Exclusions

Lists what is covered and excluded by the warranty.

How to Obtain Warranty Service

Explains the process for getting warranty service.

Maintenance Log

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