Target Audience:
        
        
            Ski-Doo owners and mechanics seeking to maintain and repair their 1987 models.
        
     
    
    
        
            Manual Utility:
        
        
            Provides essential information for performing repairs, searching for parts, and conducting routine maintenance.
        
     
    
        
            Digital Benefits:
        
        
            Portable, accessible on mobile devices, immediate availability, no shipping costs.
        
     
    
    
        
            1987 Market:
        
        
            In 1987, Ski-Doo competed with major players like Yamaha, Arctic Cat, and Polaris, each offering a diverse range of models and technologies.
        
     
 
    
    
    
        
            Engine:
        
        
            Repair, Tune-up, Cooling/Heating, Lubrication, Intake and Exhaust
        
     
    
        
            Transmission Drivetrain:
        
        
            Transmission, Drive Chain & Sprockets
        
     
    
        
            Electrical:
        
        
            Electrical System, Advanced Troubleshooting
        
     
    
        
            Chassis Suspension:
        
        
            Steering System
        
     
    
        
            Braking System:
        
        
            Brake system maintenance, hydraulic fluid, pad/shoe inspection, and adjustment procedures.
        
     
    
        
            Cooling System:
        
        
            Air cooling systems (fin cleaning, inspection) and potentially liquid cooling system components (radiator, coolant, thermostat) if applicable to specific models.
        
     
    
        
            Fuel System:
        
        
            Fuel tank, lines, filters, and carburetor cleaning/rebuilding.
        
     
    
        
            Exhaust System:
        
        
            Exhaust pipe, muffler inspection, and gasket replacement.
        
     
    
        
            Bodywork And Trim:
        
        
            Hood removal, seat inspection, and general body panel maintenance.
        
     
    
        
            Suspension:
        
        
            Front and rear suspension component inspection, lubrication, and shock absorber service where applicable.
        
     
    
        
            Handlebars And Controls:
        
        
            Handlebar assembly, grip replacement, and control lever adjustments.
        
     
    
        
            Track And Suspension:
        
        
            Detailed procedures for track removal, installation, and tensioning, as well as inspection of suspension arms and idler wheels.
        
     
    
    
        
            Maintenance:
        
        
            Routine and Scheduled Maintenance
        
     
    
        
            Repair:
        
        
            Engine Repair, Component Repair, System Repair
        
     
    
        
            Diagnostics:
        
        
            Advanced Troubleshooting
        
     
    
        
            Troubleshooting:
        
        
            Systematic diagnostic procedures for common performance issues, starting problems, and operational faults.
        
     
    
        
            Part Identification:
        
        
            Information to aid in searching for and identifying necessary replacement parts.
        
     
    
        
            Installation:
        
        
            Procedures for installing new parts or components, often in conjunction with repair sections.
        
     
    
    
        
            Depth:
        
        
            Comprehensive repair and maintenance information
        
     
    
        
            Component Overhaul:
        
        
            Detailed instructions for overhauling engine components, including pistons, rings, crankshafts, and seals.
        
     
    
        
            Wiring Diagrams:
        
        
            Inclusion of electrical wiring diagrams for troubleshooting and component identification.
        
     
 
    
    
    
    
    
        
            Download Access:
        
        
            Instant download after payment
        
     
    
        
            Device Compatibility:
        
        
            Compatible with various electronic devices including PCs, laptops, tablets, and smartphones.
        
     
    
    
        
            Warranty:
        
        
            Lifetime Replacement Warranty
        
     
    
    
        
            Print Capability:
        
        
            Printable pages for easy reference
        
     
    
    
        
            Text Search:
        
        
            Searchable text within the PDF
        
     
    
    
        
            PDF Quality:
        
        
            Assumed high-quality digital reproduction, suitable for clear viewing and printing.
        
     
    
    
        
            Binding:
        
        
            Not applicable (digital download)
        
     
    
    
        
            Paper Type:
        
        
            Not applicable (digital download)
        
     
 
    
    
    
        
            Engine Types Covered:
        
        
            The manual covers multiple engine configurations across the various models, likely including Rotax 2-stroke engines of varying displacements (e.g., 250cc, 377cc, 503cc).
        
     
    
    
        
            Performance Details:
        
        
            Specific horsepower and torque figures will vary by model and engine. The manual will detail these for each relevant engine variant.
        
     
    
    
        
            Fuel System Coverage:
        
        
            Carburetor systems, fuel delivery, and related components will be covered.
        
     
    
    
        
            Cooling System Type:
        
        
            Primarily air-cooled Rotax engines for this era, with fan-assisted cooling for many models.
        
     
    
    
        
            Cylinder Configuration:
        
        
            Typically parallel-twin or single-cylinder configurations for Rotax engines of this era.
        
     
 
    
    
    
        
            Transmission Type:
        
        
            Likely a continuously variable transmission (CVT) system with primary and secondary clutch assemblies, and a chaincase for final drive.
        
     
    
    
        
            Clutch Service:
        
        
            The manual will provide procedures for clutch inspection, service, and replacement.
        
     
    
    
        
            Drivetrain Coverage:
        
        
            Drive chain adjustment, lubrication, and sprocket replacement will be detailed.
        
     
 
    
    
    
        
            Safety Features Coverage:
        
        
            While explicit crash ratings are not applicable to snowmobiles in the same way as cars, the manual will cover safety-related components and procedures, such as brake system maintenance, lighting, and general operating safety.
        
     
 
    
    
    
        
            Technology Level 1987:
        
        
            Snowmobiles from 1987 featured relatively basic electrical systems, primarily focused on ignition, lighting, and essential gauges. Advanced electronic features or infotainment systems were not present.
        
     
    
    
        
            Ignition Details:
        
        
            Information on breaker points or electronic ignition systems, spark plug types and gaps, and coil testing will be covered.
        
     
 
    
    
    
        
            Routine Maintenance:
        
        
            The manual will detail recommended service intervals for tasks such as chaincase lubrication, track tension adjustment, spark plug replacement, and clutch inspection.
        
     
    
        
            Track Inspection:
        
        
            Regular inspection of track for damage, wear, and proper alignment.
        
     
    
    
        
            Lubricant Recommendations:
        
        
            Specific recommendations for 2-stroke engine oil, chaincase oil (e.g., SAE 80W-90 gear oil), and grease for suspension components will be provided.
        
     
    
        
            Spark Plug Type:
        
        
            The manual will specify correct spark plug types (e.g., NGK BR9ES or equivalent) and gap settings.
        
     
    
        
            Engine Oil Type:
        
        
            High-quality synthetic or semi-synthetic 2-stroke snowmobile oil meeting specific API or JASO standards.
        
     
    
    
        
            Common Wear Items:
        
        
            The manual likely addresses common wear items for this era, such as carbides, wear rods, drive belts, clutch springs, and ignition components.
        
     
    
        
            Carburetor Issues:
        
        
            Potential issues with carburetors, such as jetting, needle adjustment, and float bowl sealing.
        
     
    
        
            Belt Wear:
        
        
            Drive belt inspection for wear, cracks, and proper tensioning.
        
     
    
        
            Recalls Tsbs:
        
        
            While not explicitly stated, a comprehensive manual may reference or allude to Technical Service Bulletins (TSBs) or recall information relevant to specific repairs.
        
     
    
    
        
            Tune Up Procedures:
        
        
            Detailed steps for carburetor adjustment, ignition timing checks, and general engine tune-up will be included.
        
     
 
    
    
    
        
            Brand Overview:
        
        
            Ski-Doo, a brand of Bombardier Recreational Products (BRP), has a long history of innovation and leadership in the snowmobile industry since its inception in the early 1960s.
        
     
    
    
        
            1987 Context:
        
        
            The 1987 model year represented a period of refinement and diversification in Ski-Doo's lineup, with models catering to various riding styles from utility and touring (Alpine, Tundra, Skandic) to performance and sport (Formula MX, Stratos).
        
     
    
    
        
            Manufacturing Region:
        
        
            Ski-Doo snowmobiles are primarily manufactured in Canada.