Polaris Sportsman 90 - Engine Stops or Loses Power

Polaris Sportsman 90

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174

TROUBLESHOOTING

ENGINE STOPS OR LOSES POWER

No Fuel

Contact Your

Dealer

Contact Your

Dealer

Spark Plug

Fouled

Engine

Overheated

Clean Engine

Exterior

Turn Fuel

Valveto“Res”

Water in Fuel

Air Filter

Clogged

Electronic

Throttle Control

Malfunction

Fuel Vent

Line Kinked

or Plugged

Table of Contents

Safety Message to Parents8
Additional Important Information13
Table of Contents15
Rider's Section17
- Know Your Machine18
- Controls Overview20
- Engine Stop Switch20
- Throttle Control20
- Kick Starter21
- Gas Cap22
- Brake Lever23
- Ignition Switch24
- Tether Strap/ Switch25
- Three Ways to Stop Your ATV26
- Pre-Ride Check28
- Riding Rules32
Understanding Warnings37
Safety Alert38
General Safety and Description of Labels41
Daily Pre-Ride Inspection56
Daily Pre-Ride Check56
Failure to Follow the Age Recommendations58
Operation Warnings58
- Carrying a Passenger on this ATV59
- Operating this ATV on Paved Surfaces60
- Operating this ATV on Public Streets, Roads or Highways61
- Operating this ATV Without Wearing an Approved Helmet, Eye Protection and Protective Clothing62
- Operating this ATV after Consuming Alcohol or Drugs63
- Operating this ATV at Excessive Speeds64
- Attempting Wheelies, Jumps and Other Stunts65
- Failure to Inspect the ATV before Operating. Failure to Properly Maintain the ATV66
- Removing Hands from Handlebars or Feet from Footrests During Operation67
- Failure to Use Extra Care When Operating this ATV on Unfamiliar Terrain68
- Failure to Use Extra Care When Operating on Excessively Rough, Slippery or Loose Terrain69
- Turning Improperly70
- Climbing Hills Improperly71
- Going down a Hill Improperly72
- Improperly Crossing Hills or Turning on Hills73
- Stalling, Rolling Backwards or Improperly Dismounting While Climbing a Hill74
- Skidding or Sliding75
- Improperly Operating over Obstacles76
- Riding on Frozen Lakes and Rivers77
- Operating this ATV through Deep or Fast Flowing Water78
- Operating this ATV with Improper Tires, or with Improper or Uneven Tire Pressure79
- Overloading this ATV80
- Operating this ATV with Improper Modifications82
- Operation Warnings82
Vehicle Identification Numbers83
Vehicle Identification Numbers84
Control and Parts Functions85
- Engine Electrical Switches85
- Throttle Lever90
- Indicator Lights92
- Fuel System99
  - The Fuel Valve100
  - Engine Fuel Safety/Fuel/Filter101
- Oil System102
- The Oil Tank102
- Polaris 2-Cycle Lubricants103
- Premium 2-Cycle Oil104
- Kick Starter Usage105
- Control and Parts Functions105
- Procedure for Starting a Cold Engine106
Starting the Engine106
- Starting the Engine107
- Safe Riding Gear108
- Helmet108
- Clothing109
- Riding Gear109
- Boots109
- Gloves109
- Eye Protection109
- 2-Cycle Engines110
Vehicle Break in Period110
Vehicle Break in Period112
Carrying Loads113
- Carrying Loads: Important Safeguards114
- Carrying Loads116
Daily Pre-Ride Check117
Daily Pre-Ride Check119
Riding120
- Making Turns122
- Riding on Slippery Surfaces124
- Traveling Uphill126
- Sidehilling128
- Traveling Downhill130
- Turning Around on a Hill132
- Crossing Streams134
- Trail Obstacles136
- Parking on an Incline138
- Riding139
PVT System Operation140
Battery142
- Replenishing the Battery Fluid144
- Battery Removal145
- Battery Installation and Connections146
- Battery147
Noise Emission Control System Regulation148
- Noise Emission Control System Regulation150
- Periodic Maintenance Schedule151
- Lubrication Recommendations158
Tool Kits151
Maintenance151
- Periodic Maintenance Record162
- Handlebar Adjustment164
- Axle and Wheel Nut Torque Specifications166
- Front Wheel Hub Tightening166
- Rear Spring Adjustment167
- Air Cleaner168
  - To Clean the Filter169
  - Throttle Stop System170
- Exhaust System Restrictor171
- Exhaust System Restrictor Removal171
- Spark Arrestor Restrictor172
- Camber and Caster173
- Steering Inspection173
- Toe Alignment174
- Brake Adjustment176
- Brake Freeplay Adjustment178
- Throttle Cable Adjustment179
- Spark Plugs180
  - Spark Plug Removal and Replacement181
  - Storage182
  - Cylinder Head/Cylinder Base Fastener Torque (2-Cycle Models)183
- Transmission Lubrication184
  - Transmission Oil Changing Procedure185
  - Wheel Removal Procedure187
  - Wheel Installation189
- Tire Inspection190
  - Tire Tread Depth190
  - Drive Chain Inspection and Adjustment191
  - Rear Drive Chain Slack Adjustment193
  - Brakelight Lamp Replacement195
- Cleaning Your ATV196
  - Washing196
  - Waxing197
  - Transporting198
- Carburetor Adjustments199
Maintenance199
Specifications200
- Specifications206
- Wiring Diagram207
- Wiring Diagrams208
- Engine Cranks but Fails to Start209
Troubleshooting209
Engine Stops or Loses Power210
Warranty211
Index217

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