The Jag, produced for the model years 1977, 1978, and 1979, represents a significant offering in the history of snowmobile manufacturing. Known for its role as a popular mid-size, economical trail snowmobile, the Jag series competed effectively with offerings from other major manufacturers of the era. A brand with a long-standing legacy in powersports, is recognized for producing durable and performance-oriented vehicles. The Jag models, likely featuring a 2-stroke, fan-cooled twin-cylinder engine with an estimated displacement between 250cc and 400cc, were designed to balance affordability with capable trail performance, making them a favored choice for owners and enthusiasts.
This comprehensive shop manual serves as an essential resource for Jag owners, mechanics, and technicians. It provides detailed information for the 1977-1979 model years, covering a wide array of systems including engine components, cooling, oil, exhaust, and fuel systems, as well as transmission, wheels, tires, suspension, steering, and all electrical and electronic systems. The manual includes procedures for basic maintenance such as oil changes and fluid checks, alongside in-depth repair instructions for complex issues, and diagnostic guidance for troubleshooting. With hundreds of illustrations and a searchable format, this manual is designed to facilitate efficient and accurate maintenance and repair, ensuring the longevity and optimal performance of your vehicle.
Years Covered:
1977, 1978, 1979
Target Audience:
Arctic Cat Jag owners, mechanics, and enthusiasts seeking to maintain or repair their vehicles
Value Proposition:
Provides comprehensive DIY repair and maintenance information for specific vintage models, saving costs associated with professional servicing.
Manual Attributes:
Detailed instructions, numerous illustrations, searchable format, covering all major vehicle systems.
Primary Coverage:
Comprehensive repair and service
Manual Type:
Shop Manual / Service Manual / Repair Manual
Engine Systems:
Engine components and parts, Engine cooling system, Engine oil system, Exhaust system, Fuel supply system
Powertrain Chassis:
Transmission system, Wheels and tire parts, Suspension and steering systems
Electrical Electronic:
Electrical and electronic systems, Audio/Video devices, Charging system, Electrical supply system, Gauges and meters, Ignition system, Lighting and signalling systems, Sensors, Starting system, Switches, Wiring harnesses
Body Exterior:
Body and exterior
Miscellaneous:
Miscellaneous
Maintenance Procedures:
Oil changes, fluid checks, lubrication, filter replacements
Repair Procedures:
Engine repair, transmission repair, electrical system troubleshooting and repair, suspension and steering component replacement
Diagnostic Procedures:
Distinguishing and fixing problems, troubleshooting electrical issues
Rebuild Procedures:
Likely includes procedures for engine and transmission rebuilds, detailing tolerances and specifications.
Depth Of Coverage:
Comprehensive, from basic maintenance to complex repairs
Illustrative Content:
Hundreds of illustrations to aid in repair procedures
Navigability:
Searchable PDF format for easy information retrieval
Diagnostic Tools:
Implies coverage for using basic hand tools and diagnostic methods suitable for the era.
Printability:
Printable pages
Binding Type:
N/A (Digital PDF)
Paper Type:
N/A (Digital PDF)
Searchability:
Yes, PDF search function allows for quick access to information
Engine Type:
Likely a 2-stroke, fan-cooled twin-cylinder engine (typical for this era of Arctic Cat snowmobiles)
Displacement Range:
Estimated 250cc to 400cc (common for this model designation and era)
Horsepower Range:
Estimated 30-50 HP (typical for engines of this size and era in snowmobiles)
Carburetion:
Likely twin carburetors (specific models and sizes would be detailed in the manual)
Fuel Type:
Unleaded gasoline mixed with 2-stroke oil
Cooling System:
Air-cooled, fan-assisted cooling system
Ignition System Components:
Covers ignition coil, stator, CDI unit, and spark plug
Transmission Type:
CVT (Continuously Variable Transmission) with a primary clutch and secondary driven clutch
Clutch Operation:
Details on clutch maintenance, weights, springs, and belt replacement procedures
Drive System:
Chaincase drive system (likely single chain) with reverse gear (if equipped)
Chassis Type:
Phazer chassis (though this is Yamaha, Arctic Cat used similar lightweight designs)
Track Dimensions:
Standard track width and length for the era (e.g., 15-inch wide track, 121-inch length typical)
Dry Weight:
Estimated 350-450 lbs (typical for this class of snowmobile)
Lighting:
Headlights, taillights, brake lights, and indicator lights
Braking System:
Hydraulic disc brake or drum brake system (specific type detailed in manual)
Throttle Control:
Thumb throttle mechanism with safety interlock (if applicable)
Audio Video:
Covered within electrical section, but factory systems were basic or non-existent, often aftermarket additions.
Ignition System:
CDI (Capacitor Discharge Ignition) system, common for reliable ignition.
Wiring Diagrams:
Detailed wiring diagrams are crucial for troubleshooting electrical systems.
Oil Change Interval:
Recommended for every 100-150 hours of operation or annually (specifics in manual)
Clutch Maintenance:
Regular inspection of clutch sheaves, weights, springs, and belt condition
Track Tension:
Periodic adjustment of track tension for optimal performance and longevity
Spark Plug Replacement:
Recommended at intervals specified in the manual, typically based on mileage or hours.
2 Stroke Oil Type:
API-TC rated or JASO FD certified premium 2-stroke oil (specific grade recommended in manual)
Chaincase Oil Type:
SAE 80W-90 or 10W-30 gear oil (specific type and capacity detailed in manual)
Carburetor Tuning:
Common need for carburetor cleaning and adjustment due to age and fuel quality.
Clutch Wear:
Wear on clutch rollers, buttons, or bushings can affect performance.
Electrical Connections:
Corrosion or looseness in electrical connectors can cause intermittent issues.
Suspension Bushings:
Wear in suspension pivot bushings can lead to sloppy handling.
Arctic Cat Legacy:
Arctic Cat is a long-standing manufacturer of snowmobiles and ATVs, known for performance and durability.
Jag Series:
The Jag was a popular mid-size, economical trail snowmobile in Arctic Cat's lineup during the late 1970s.
Competitors Era:
Competed with models from Yamaha (e.g., Bravo), Ski-Doo, and Polaris in the utility and trail segments.
Era Significance:
Produced during a time of significant innovation in snowmobile technology, balancing performance with affordability.
Model Reputation:
Arctic Cat Jags were generally well-regarded for their trail manners and reliability within their class.
Manual Quality Rating:
Excellent (based on description of detail and illustrations)
