Segment:
Performance Trail and Mountain Snowmobile
Target User:
Enthusiast riders and technicians performing maintenance and repairs
Competitors:
Arctic Cat, Ski-Doo, Yamaha in the same displacement and performance class of the mid-to-late 1990s
Rmk Advantage:
RMK (Rising Mountain Kit) designation signifies enhanced mountain capabilities, longer track, and often higher ground clearance compared to standard trail models.
Engine Technology:
Electronic Fuel Injection (EFI) for improved throttle response, fuel efficiency, and altitude compensation.
Chassis Design:
Lightweight chassis optimized for agility and control in varied snow conditions.
Suspension Design:
Advanced rear suspension (likely a form of progressive or coupled system) with long travel for mountain riding.
Primary Coverage:
Complete Service and Repair Procedures
Secondary Coverage:
Troubleshooting, Diagnostics, Maintenance
Estimated Page Count:
Hundreds of pages (exact count not specified but implied comprehensive)
Type:
Workshop Service Repair Manual
Source:
Official Factory Service Manual
Format:
Downloadable Digital Format (PDF implied by description)
Engine:
Detailed engine overhaul, tuning, component identification, cooling system, lubrication system
Fuel System:
EFI system diagnosis and repair, fuel pump, injectors, pressure regulator, lines
Ignition System:
CDI, ignition timing, spark plugs, coils
Drivetrain:
Clutch (drive and driven), chaincase, chain adjustment, lubrication, gears
Suspension:
Front ski suspension, rear suspension (RMK specific), shock absorbers, springs, torque arms, sliders
Brakes:
Hydraulic brake system, caliper, master cylinder, brake fluid, pads
Electrical System:
Wiring diagrams, lighting, starter, battery, charging system, sensors
Body And Frame:
Chassis, body panels, seat, handlebars, controls, tunnel
Maintenance:
Routine checks, lubrication, cleaning, belt inspection/replacement
Troubleshooting:
Systematic diagnostic procedures for common and uncommon faults
Repair:
Step-by-step instructions for component removal, repair, and reinstallation
Rebuilds:
Complete engine and component rebuild instructions
Adjustments:
Carburetor (if applicable to earlier EFI models or specific components), clutch, chain, brakes
Depth:
Comprehensive from basic maintenance to full engine and drivetrain overhauls
Diagnostic Tools:
Likely covers use of basic diagnostic tools and principles specific to EFI systems of the era
Specifications:
Includes torque values, clearances, fluid capacities, and electrical specifications
Type:
2-Stroke, Twin-Cylinder
Displacement:
499cc (Approximate)
Cooling System:
Liquid-Cooled
Bore X Stroke:
Specific dimensions available in manual
Horsepower:
Typically in the 80-90 HP range (exact figures in manual)
Torque:
Specific torque figures available in manual
Induction:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded Gasoline (Octane rating specified in manual)
Oil Mixture:
Autolube (Oil injection system)
Type:
CVT (Continuously Variable Transmission) with Polaris Variable Ratio Drive (PVR)
Drive Clutch:
Engagement and peak RPM settings specified
Driven Clutch:
Rollers, springs, and ramp adjustments covered
Gear Reduction:
Chaincase with specific gear ratios detailed
Fluid Type:
Specific lubricant for chaincase (e.g., Polaris Demand Drive Fluid or equivalent) detailed in manual.
Track Length:
RMK models typically feature longer tracks (e.g., 133.5 inches or more) for improved flotation. Specifics in manual.
Track Width:
Standard track width for the era (e.g., 15 inches). Specifics in manual.
Dry Weight:
Approximate dry weight in the range of 450-500 lbs (exact figures in manual).
Crash Test Ratings:
Not applicable to snowmobiles in the same manner as automobiles.
Braking System:
Hydraulic disc brake system for effective stopping power.
Engine Safety:
Kill switch, tether cord (often aftermarket or standard depending on region/year).
Ergonomics:
Designed for rider control and comfort during aggressive riding.
Features:
Basic analog gauges (speedometer, tachometer, engine temp), potentially a fuel gauge. No advanced infotainment systems.
Features:
No electronic driver assistance systems typical of modern vehicles.
Features:
No external connectivity features.
Oil Change:
Autolube system monitors oil levels; refer to manual for specific checks and top-off intervals.
Clutch Maintenance:
Periodic inspection and cleaning of drive and driven clutches (e.g., every 500-1000 miles or annually).
Track Tension:
Check and adjust track tension regularly, especially after initial break-in or in varying snow conditions.
Suspension Lubrication:
Grease points on suspension components as per manual schedule.
Engine Oil Injection:
Specific 2-stroke injection oil (e.g., Polaris VEEMAX-4 or equivalent API-TC rated oil) detailed in manual.
Chaincase Lubricant:
Refer to manual for specific Polaris chaincase oil or approved aftermarket lubricant.
Coolant:
Ethylene Glycol based antifreeze, mixed with distilled water at specified ratio. See manual for exact type and capacity.
Efi Sensors:
Potential issues with EFI sensors (e.g., throttle position sensor, intake air temp sensor) may require diagnosis and replacement.
Clutch Wear:
Normal wear on clutch components (weights, rollers, belts) requires periodic inspection and replacement.
Tunnel Wear:
RMK models, especially those used aggressively in deep snow, can experience tunnel wear; preventative measures and repairs covered in manual.
Polaris Legacy:
Polaris has a long-standing reputation as a pioneer and leader in the snowmobile industry since the 1950s.
Indy Lineage:
The Indy nameplate has been a cornerstone of Polaris's snowmobile offerings, known for reliability and performance across various segments.
Rmk Development:
The RMK (Rising Mountain Kit) designation was developed to cater to the growing demand for snowmobiles specifically designed for deep snow and backcountry riding, offering enhanced mobility and control.
Manufacturing Location:
Likely manufactured in Polaris's facilities in the United States.
Industry Impact:
Polaris Indy models of this era were highly regarded for their performance and reliability, contributing significantly to Polaris's market share.
Consumer Reviews:
Generally positive consumer reviews for performance and capability in their segment.
Emissions:
Compliance with relevant emissions standards of the time (details not usually in service manuals).