Market Position Segment:
Recreational Snowmobiles.
Competitive Landscape 1985:
Competed against other snowmobile manufacturers like Yamaha, Arctic Cat, Polaris, and other Ski-Doo models from the era. Known for versatility across different models.
Manual Value Proposition:
Essential resource for owners and technicians to maintain, diagnose, and repair a wide range of 1985 Ski-Doo snowmobile models, ensuring longevity and optimal performance.
Vehicle Design Philosophy:
Ski-Doo's 1985 lineup offered a diverse range of snowmobiles catering to utility, trail riding, and performance, emphasizing reliability and user-friendliness.
Engine Systems:
Engine identification, specifications, diagnosis, troubleshooting, maintenance, disassembly, assembly, cooling system, lubrication system, fuel system (carburetion, fuel pump, fuel lines), ignition system, exhaust system, engine rebuild procedures.
Drivetrain Systems:
Clutch systems (primary and secondary), drive chain/belt adjustments and inspection, gearbox (if applicable), track drive system, suspension (front and rear), skis, and steering.
Electrical Systems:
Ignition system components, lighting, battery, starter system, wiring diagrams, component testing, troubleshooting electrical faults.
Chassis And Body:
Frame inspection and repair, body panel removal and installation, seat, windshield, handlebars, controls, and accessories.
Brakes:
Brake system components, adjustment, maintenance, and repair (drum or disc depending on model).
Maintenance Procedures:
Routine inspections, lubrication points, belt tension checks, spark plug replacement, air filter cleaning/replacement, track adjustment, brake checks, general cleaning.
Repair Procedures:
Engine overhaul, clutch service, suspension repairs, electrical component replacement, carburetor rebuilding, track and bogie wheel service, steering system repair.
Troubleshooting Guides:
Systematic troubleshooting charts for common performance issues, starting problems, electrical faults, and operational irregularities.
Diagnostic Tips:
Guidance on identifying the root cause of problems using visual inspection, auditory cues, and basic testing.
Technical Depth:
Comprehensive: Covers basic maintenance, routine service, in-depth repairs, and complete engine/component rebuilds. Suitable for both novice mechanics and experienced technicians.
Illustration Quality:
Detailed illustrations, exploded diagrams, and photos to guide repair procedures.
Navigation Features:
Bookmarked chapters for easy navigation, numbered instructions, bold figured numbers for matching illustrations, and a numbered table of contents.
Safety Warnings:
Notes, cautions, and warnings throughout each chapter to highlight critical service information and safety precautions.
File Format Details:
Digital PDF document, downloadable, printable.
Print Quality Recommendation:
High-resolution PDF suitable for clear printing of text and diagrams.
Binding Type Equivalent:
N/A (Digital Download)
Paper Type Recommendation:
N/A (Digital Download) - Recommend durable paper for printed copies.
Engine Types Covered:
Rotary-valve two-stroke engines. Specific displacements include 304cc (Elan), 317cc/335cc (Citation/Tundra/Skandic), 377cc (Safari/Formula), 477cc (Safari), and 503cc (Alpine).
Horsepower Range:
Varies by model and engine size, typically ranging from approximately 20 HP to over 50 HP.
Carburetion Details:
Primarily Mikuni or Tillotson carburetors. Specific carburetor models and jetting are detailed within the manual for each engine variant.
Fuel Type:
Unleaded gasoline, mixed with specific ratios of 2-stroke oil for lubrication.
Cooling Method:
Air-cooled.
Ignition Type:
CDI (Capacitor Discharge Ignition) with magneto-based power generation.
Transmission Type:
CVT (Continuously Variable Transmission) featuring Bombardier's TRA (Torsional Ratio Adjustment) clutch system (primary) and a secondary driven clutch.
Gearbox Options:
Some utility models might feature a geared reduction box, but most trail/performance models rely solely on the CVT system.
Clutch Service Details:
Detailed procedures for primary and secondary clutch inspection, maintenance, roller replacement, spring changes, weight adjustments, and belt replacement.
Safety Ratings:
N/A (Snowmobile safety is typically assessed by user practice and machine design rather than formal crash ratings like automobiles).
Active Safety Features:
Brake system, reliable steering, throttle control, engine kill switch/tether cord (where equipped).
Passive Safety Features:
Handlebar padding, windshields (on some models), track and suspension stability.
Infotainment Features:
Basic instrumentation typically includes speedometer, engine temperature warning light, and possibly an oil/fuel level indicator. No advanced infotainment systems.
Driver Assistance Features:
None. Emphasis on rider skill and machine control.
Connectivity Features:
None.
Lighting System:
Halogen headlight (if equipped), taillight, and brake light, powered by the magneto-generator. Wiring diagrams are included.
Routine Maintenance Schedule:
The manual provides detailed recommended service intervals for tasks such as checking track tension, inspecting clutches, lubricating moving parts, checking chaincase oil (if applicable), and spark plug replacement, typically based on operating hours or mileage (if equipped with an hour meter).
Engine Oil Mix:
Specific ratios of high-quality 2-stroke synthetic or mineral oil to gasoline (e.g., 40:1, 50:1). The manual will specify the exact recommended oil type and ratio for each engine.
Chaincase Oil:
If applicable, the manual specifies the type and capacity of gear oil for the chaincase (e.g., SAE 80W-90 gear oil).
Coolant:
N/A (Air-cooled engines).
Common Wear Items:
Clutch belts, spark plugs, carburetor jets, recoil starter components, suspension bushings, track tensioners, and track lugs are common wear items addressed in the manual.
Carburetor Maintenance:
Carburetors may require periodic cleaning and adjustment due to fuel quality and atmospheric conditions. The manual provides detailed carburetor disassembly and reassembly instructions.
Clutch Performance:
Clutch performance can degrade over time due to worn rollers, springs, or buttons. The manual guides on clutch maintenance and tuning for optimal engagement and disengagement.
Bombardier Inc Legacy:
Bombardier Inc., the parent company of Ski-Doo, has a long history of innovation in recreational and utility vehicles, dating back to the invention of the snowmobile by Joseph-Armand Bombardier.
1985 Lineup Focus:
The 1985 Ski-Doo lineup represented a mature stage in snowmobile design, offering refinements in performance, comfort, and reliability across various platforms developed from earlier generations.
Manufacturing Locations:
Primarily manufactured in Canada by Bombardier Inc.
