Polaris A11RD50AA User Manual (English)

Questions and Answers:

T
Tina Garrison PhDAug 17, 2025
What to do if my Polaris Offroad Vehicle engine turns over but fails to start?
- E
  Elizabeth HolmesAug 17, 2025
  If your Polaris Offroad Vehicle's engine turns over but doesn't start, several issues could be the cause. First, ensure you have fuel. If fuel is present, check for dirt in the fuel line or filter, and clean or replace them if necessary. Inspect and repair the fuel valve if fuel isn't passing through. Also, check, repair, or replace the fuel pump if it's inoperative or restricted. Clear the tank vent if it's plugged. Inspect and repair the carburetor starter circuit. If the engine is flooded, drain excess fuel. Check compression and repair as needed if it's low. Finally, replace or clean the spark plug if it's fouled.
M
Melissa GallagherAug 19, 2025
Why does my Polaris Offroad Vehicle engine have low power?
- M
  mendezpamelaAug 20, 2025
  If your Polaris Offroad Vehicle engine has low power, the spark plug might be fouled and needs replacing or cleaning. Cylinder, piston, ring, or valve wear or damage could also be the issue, so check the compression and repair as necessary. Inspect and repair the PVT if it's not operating properly. Clear or replace the exhaust muffler if it's restricted. Inspect and repair the carburetor vacuum slide if it's sticking or the diaphragm is damaged. Lastly, clean the carburetor if it's dirty.
C
Craig WebbAug 22, 2025
What to do if my Polaris Offroad Vehicle engine does not turn over?
- D
  Donna SpearsAug 22, 2025
  If your Polaris Offroad Vehicle engine does not turn over, the battery may be dead, so charge or replace it. If the starter motor does not turn, inspect and replace it if necessary. If the engine is seized, rusted, or has suffered a mechanical failure, investigate and repair the engine.
M
Marissa BlankenshipAug 31, 2025
Why won't my Polaris Offroad Vehicle engine idle?
- T
  Tracy HernandezAug 31, 2025
  If your Polaris Offroad Vehicle engine runs but will not idle, the carburetor pilot system may be restricted, so clean or adjust it. Readjust the carburetor if it's misadjusted. Adjust the choke correctly if it's not adjusted properly. Check compression and repair as needed if it's low. Clear the crankcase breather if it's restricted.
A
Andrew HaynesSep 2, 2025
How to fix a Polaris Offroad Vehicle engine that idles but won't rev up?
- K
  Kristi HamiltonSep 2, 2025
  If your Polaris Offroad Vehicle engine idles but will not rev up, replace or clean the spark plug if it's fouled or producing a weak spark. Replace the throttle cable if it's broken. Clear any obstruction in the air intake. Reinstall the air box and components if the air box has been removed. Adjust the carburetor jetting if it's incorrect or restricted. Check the ETC switch. Check and adjust the reverse speed limiter if it's limiting speed. Inspect and repair the carburetor vacuum slide if it's sticking or the diaphragm is damaged. Adjust the ignition timing if it's incorrect. Clear or replace the exhaust system if it's restricted.
J
Julie FloresSep 5, 2025
What causes excessive smoke and carbon buildup in my Polaris Offroad Vehicle?
- M
  mollyyangSep 5, 2025
  Excessive smoke and carbon buildup in your Polaris Offroad Vehicle engine can be due to several factors. These include excessive piston-to-cylinder clearance, which requires inspection and repair. Wet sumping should be checked and repaired. Worn rings, piston, or cylinder require inspection and replacement as necessary. Worn valve guides or seals should be inspected and replaced. A restricted breather should be cleared or replaced. Finally, a dirty or contaminated air filter should be cleaned or replaced.
S
staceytorresSep 8, 2025
What causes piston failure and scoring in a Polaris Offroad Vehicle?
- M
  Michelle BenderSep 8, 2025
  Piston failure and scoring in your Polaris Offroad Vehicle can result from a lack of lubrication, so ensure proper lubrication. It can also be caused by dirt entering the engine through cracks in the air filter or ducts, so inspect and repair these components. Another cause could be dirty or contaminated engine oil, so change the engine oil.
K
Kenneth ReyesSep 12, 2025
Why is my Polaris Offroad Vehicle leaking at the water pump weep hole?
- S
  sarah10Sep 12, 2025
  If there's a leak at the water pump weep hole on your Polaris Offroad Vehicle, it could be due to a faulty water pump mechanical seal causing a coolant leak, in which case you should replace the mechanical seal. Alternatively, it could be a faulty pump shaft oil seal causing an oil leak, and you should replace the pump shaft oil seal.
E
evansandreaSep 13, 2025
Why is the temperature too low on my Polaris Offroad Vehicle?
- K
  Kathryn SchroederSep 13, 2025
  If the temperature of your Polaris Offroad Vehicle is too low, it could be because the thermostat is stuck open. In this case, you should replace the thermostat.

Polaris A11RD50AA Specifications

General

Brand	Polaris
Model	A11RD50AA
Category	Offroad Vehicle
Language	English

Summary

GENERAL INFORMATION

Specifications - RANGER 2X4

Detailed technical specifications for the RANGER 2X4 model.

Specifications - RANGER 4X4

Detailed technical specifications for the RANGER 4X4 model.

Specifications - RANGER 6X6

Detailed technical specifications for the RANGER 6X6 model.

MAINTENANCE

Periodic Maintenance Chart

Outlines required inspection, adjustment, and lubrication intervals for components.

Lubrication

Details lubrication points, recommended lubricants, and frequencies for the vehicle.

Front Gearcase Lubrication (4X4, 6X6 Models Only)

Procedure for checking and changing lubricant in the front gearcase.

Transmission Lubrication

Steps for checking and changing transmission fluid, including capacity and torque specs.

ENGINE

Torque Specifications

Lists torque values for various engine fasteners.

Engine Service Data

Provides detailed service data for engine components like cylinder, piston, and valves.

Engine Removal (Typical)

Step-by-step instructions for removing the engine from the vehicle chassis.

Engine Lubrication

Details engine oil type, capacity, filter, and pressure specifications.

Cam Chain Tensioner/Rocker Arm/Camshaft Removal

Steps for removing the cam chain tensioner, rocker arms, and camshaft.

Cylinder Head Disassembly

Procedures for disassembling the cylinder head, including valve components.

Piston Removal

Steps for removing the piston from the cylinder.

Piston Ring Installation

Detailed steps for installing piston rings correctly into the piston.

Cylinder Head Installation

Instructions for installing the cylinder head, including torque sequences.

Cam Chain/Camshaft Installation

Steps for installing the cam chain and camshaft, ensuring correct timing.

FUEL SYSTEM/CARBURETION

Carburetor Jetting

Guidelines for adjusting carburetor jets based on altitude and temperature.

Carburetor Removal

Step-by-step instructions for removing the carburetor from the vehicle.

Carburetor Cleaning

Procedures for cleaning the carburetor body, jets, and passages safely.

BODY AND STEERING

Torque Specifications and Special Tools

A-Arm / Strut Assembly Exploded View (All Models)

A-Arm Replacement (All Models)

Step-by-step guide for replacing the front A-arm.

Rear Drive Axle and Swingarm (All Models)

Swing Arm Removal and Installation

Procedures for removing and installing the rear swing arm assembly.

Front Strut Cartridge Replacement

Ball Joint Replacement

CLUTCH

PVT System Operation Overview

Explains the general operation and components of the Polaris Variable Transmission (PVT) system.

Drive Clutch Operation

Details how the drive clutch functions based on engine RPM and centrifugal force.

PVT Maintenance/Inspection

Outlines periodic inspection and maintenance needed for PVT system peak performance.

Drive Clutch Spring Specifications

Provides specifications for drive clutch springs, including free length and color codes.

Drive Clutch Inspection

Steps for inspecting drive clutch components like shift weights, rollers, and sheave surfaces.

Drive Belt Tension

Procedure for measuring and adjusting drive belt tension (deflection).

Drive Belt Removal/Inspection

Instructions for removing and inspecting the drive belt for wear and damage.

Clutch Alignment /Offset

Procedure for aligning the drive and driven clutches and adjusting offset.

Drive Clutch Bushing Service

Driven Clutch Assembly

Steps for assembling the driven clutch, including spring installation and sheave alignment.

Troubleshooting

Lists common PVT system issues, probable causes, and remedies.

FINAL DRIVE

Special Tools and Final Drive Torque Specs

2x4 Front Hub Removal/Inspection

Procedures for removing and inspecting the front hub on 2x4 models.

2x4 Front Hub Installation

Steps for installing the front hub on 2x4 models.

4X4 & 6x6 Front Hub Removal/Inspection

Procedures for removing and inspecting the front hub on 4x4 and 6x6 models.

4X4 & 6x6 Front Drive Axle Removal/Install

Instructions for removing and installing the front drive axle.

Front Gearcase Operation For (4X4 & 6X6 -- Centralized Hilliard)

Explains the operation of the front gearcase's AWD system.

Front Gearcase Removal (4X4 & 6X6)

Steps for removing the front gearcase from the vehicle.

Front Gearcase Disassembly/Inspection (4X4 & 6X6)

Procedures for disassembling and inspecting the front gearcase.

Front Gearcase Assembly/Inspection (4X4 & 6X6)

Steps for assembling and inspecting the front gearcase.

Mid Drive Bearing Carrier/Hub Removal (6X6)

Procedures for removing the mid drive bearing carrier and hub on 6x6 models.

Middle Hub Installation (6x6)

Instructions for installing the middle hub on 6x6 models.

Mid Drive Shaft Removal (6x6)

Mid Drive Gearcase Removal

Mid Drive Gearcase Disassembly

Mid Drive Gearcase Assembly

Rear Differential Removal/Inspection

Rear Differential Disassembly (2x4 & 4x4)

Rear Differential Assembly (2x4 & 4x4)

Rear Differential Operation (2x4 & 4x4)

Rear Differential Disassembly (6x6)

Rear Differential Assembly (6x6)

Rear Differential Installation

TRANSMISSION SERVICE

Torque Specifications/Lubrication

Transmission Removal

Transmission Installation

Transmission Disassembly

Detailed steps for disassembling the transmission, showing component removal.

Transmission Assembly

Comprehensive guide for reassembling the transmission, including sealing and component installation.

Troubleshooting Checklist

BRAKES

Special Tools/Specifications/Torques

Hydraulic Brake System Operation

Brake Bleeding--Fluid Change Procedure

Step-by-step guide for bleeding the brakes and changing the brake fluid.

Front Pad Removal

Front Caliper Removal

Front Caliper Disassembly

Front Caliper Installation

Rear Brake Pad Removal

Rear Caliper Removal

Rear Caliper Disassembly / Inspection

Rear Caliper Assembly/Installation

ELECTRICAL

Timing Check Procedure

Ignition System Testing Flow Chart

Ignition System Troubleshooting

Charging System “Break Even” Test

Starter System Troubleshooting

Starter Motor Disassembly

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