To Next PageTo Next PageWhat type of spark plugs for Polaris Snowmobiles?
Ensure that the specified spark plugs are installed in your Polaris Snowmobile and that they are gapped to the correct specification. The correct spark plug is NGK BPR9ES with a gap of .027? (0.70 mm).
How to check fuel quality in Polaris Snowmobiles?
To check the fuel quality in your Polaris Snowmobile, inspect the fuel in the tank. Use a commercially available fuel tester to ensure the ethanol content is 10% or less.
What to do if Polaris Snowmobiles fuel level is low?
If you suspect the fuel level is affecting your Polaris Snowmobile, fill the fuel tank with fresh fuel.
What to do if Polaris 850 PRO-RMK 155 2020 Snowmobiles spark plug is damaged?
If the spark plugs in your Polaris Snowmobile are fouled or damaged, replace them.
How to test fuel pump power on Polaris Snowmobiles?
To test the fuel pump power on your Polaris Snowmobile, connect a fully-charged 12V battery to the fuel pump prime connector to see if the fuel pump turns on. Additionally, connect Digital Wrench to the vehicle and use the Output state control to test the fuel pump function. The ECU must command the fuel pump to turn on during this test.
General| Engine | 850 Patriot |
|---|---|
| Engine Type | 2-stroke |
| Displacement | 840 cc |
| Cylinders | 2 |
| Cooling | Liquid |
| Horsepower | 165 hp |
| Fuel System | Electronic Fuel Injection |
| Fuel Capacity | 11.5 US gal (43.5 L) |
| Track Length | 155 in (393.7 cm) |
| Track Width | 15 in (38.1 cm) |
| Brake | Hydraulic disc |
| Width | 48 inches |
Details model number designation and VIN designation for vehicles from 2017 onwards.
Lists information regarding replacement keys and publication part numbers for 2020 and 2021 models.
Lists specialized tools required for servicing Polaris products and how to order them.
Provides detailed specifications for various 2020 Polaris Snowmobile models.
Outlines essential safety and procedural precautions for performing service work efficiently.
Details diagnostic trouble codes (DTCs) for engine electrical systems, including SPN, FMI, P-CODE, fault, and condition.
Provides an overview of the Digital Wrench software features and diagnostic procedures.
Outlines recommended maintenance and service inspections based on vehicle mileage.
Lists items to inspect before riding the snowmobile, covering drive clutch, engine, and brake systems.
Details pre-season maintenance checks for various systems including drive/driven clutch, engine, and brake systems.
Provides a chart outlining required maintenance and inspection based on vehicle miles.
Lists recommended lubricants and service products with part numbers and sizes.
Covers cooling system overview, coolant level check, and coolant bottle assembly.
Explains procedures for drive belt removal, installation, and inspection.
Details how to measure and adjust clutch alignment and offset using various alignment tools.
Lists engine component torque specifications for various fasteners.
Provides critical engine service specifications such as cylinder head warp, taper, and piston ring gap.
Lists and illustrates specialized tools required for engine service.
Covers electronic oil pump mounting and flow offset identification.
Provides step-by-step instructions for disassembling the crankcase.
Explains the procedure for removing the crankshaft from the engine.
Covers water pump removal and installation procedures.
Provides instructions for engine top-end assembly, including piston installation.
Illustrates the components of the recoil assembly with part number references.
Outlines the procedure to learn the E-VES actuator stop positions using Digital Wrench.
Provides general information about the diagnostic power connector and its functions.
Explains engine temperature and detonation protection modes and troubleshooting.
Provides an overview of the components and functions of the Cleanfire Fuel Injection system.
Details the EGT sensor location, testing, and torque specifications.
Explains the function and testing of crankshaft position sensors and their specifications.
Covers ignition coil pack location, specifications, and testing.
Provides ECU connector pinouts for both 34-pin connectors.
Explains how to interpret the ECU label information for engine program, fuel injector color, and oil pump offset.
Covers TPS overview, testing procedures, and wire routing.
Provides an overview of PERC operation, forward operation, and troubleshooting notes.
Provides critical safety warnings for servicing the fuel system.
Details the procedure to purge air from the fuel system and prime the fuel pump.
Explains how to change the fuel type designation in the gauge display.
Provides assembly views for the fuel rail and throttle body components.
Covers the service procedures for fuel injectors and fuel rail.
Covers fuel tank and fuel pump service procedures.
Shows how to route the fuel pump wire harness.
Illustrates the routing for the fuel supply and return lines.
Provides general information about drive gears and chains.
Covers chaincase assembly view, drive chain tension adjustment, and oil level checks.
Provides assembly views for the QuickDrive low inertia drive system.
Covers driveshaft assembly views, removal, and installation.
Details jackshaft assembly views, removal, and installation procedures.
Provides general notes, inspection procedures, and bleeding instructions for the brake system.
Covers the procedure for bleeding the brake system to remove air.
Details how to inspect and replace Apollo brake pads.
Provides instructions for replacing brake caliper pistons and seals.
Details how to inspect and replace the brake disc.
Illustrates the routing of brake lines for Quick Drive systems.
Provides general information about the PVT system, including special tools and drive spring terminology.
Lists drive belt specifications including part number, width, and circumference.
Details the procedure for removing the drive belt from AXYS models.
Explains how to identify the drive clutch by its part number and markings.
Illustrates the components of the drive clutch assembly.
Outlines the steps for removing the drive clutch.
Details the procedure for disassembling the drive clutch.
Covers the removal of rollers, buttons, and pins from the spider.
Provides instructions for installing rollers, buttons, and pins into the spider.
Covers the replacement of drive clutch moveable sheave and cover bushings.
Details how to measure and adjust clutch alignment and offset using various alignment tools.
Explains how to measure and adjust belt-to-sheave clearance.
Provides general information and inspection guidelines for steering and suspension components.
Outlines components to check for wear or damage in steering and front suspension systems.
Details how to ensure rod ends in suspension assemblies are parallel after installation.
Explains how toe alignment is measured at ride height and provides specifications.
Lists factory spring settings for the front IFS suspension.
Details factory clicker settings for the front IFS suspension.
Covers rear track shock factory spring and clicker settings.
Lists shock rebuilding tools and specifications for 2020 and 2021 models.
Details the procedure for disassembling the Walker Evans Piggyback shock.
Covers shock assembly procedures, including IFP installation and bleeding.
Provides general cautions and notes for working with chassis components and bonded parts.
Illustrates various chassis assembly views, including right bulkhead, left bulkhead, clutch guard, and over structure.
Provides information on Lord 406 Acrylic Adhesive handling and first aid measures for bonded components.
Outlines the procedure for removing the bulkhead floor plate.
Covers the installation of the front tunnel bulkhead cooler.
Covers the installation of the left bulkhead clip, including adhesive application and fastener torquing.
Details the installation of the right bulkhead clip, including adhesive application and fastener torquing.
Provides general electrical system cautions, spark plug specs, and charging system information.
Lists essential safety precautions for working with electrical systems.
Explains the function of each connector on the Next-Gen Service Power Harness.
Illustrates chassis harness connectors with pinout and function details.
Covers battery maintenance for Dry Shipped AGM and Lead Acid Low Maintenance types.
Important information on identifying battery types for proper service.
Guides on charging and testing Dry Shipped AGM batteries.
Details testing procedures for AGM Low Maintenance batteries.
Covers general display information and cold engine protection modes.
Provides an overview of the standard instrument cluster features and functionality.
Outlines procedures for enabling, disabling, and resetting the security system.
Provides user notes and important information regarding the security system on AXYS models.
