Target User:
John Deere snowmobile owners, mechanics, and enthusiasts seeking to perform maintenance and repairs themselves.
Value Proposition:
Enables significant cost savings by empowering users to perform their own servicing and repairs, with clear, step-by-step instructions and visual aids.
Instant Access:
Immediate delivery via email upon payment confirmation.
Versatility:
Accessible on all major computing platforms and portable devices.
Customer Guarantee:
Customer Satisfaction Guaranteed.
Years Covered:
1972, 1973, 1974, 1975, 1976, 1977
Model Variants Covered:
All Models, Engines, Trim, and Transmission Types
Estimated Page Count:
Refer to product for exact count, typically 200-500 pages for comprehensive manuals of this era.
Type:
Complete Workshop Service Repair Manual
Delivery Format:
Downloadable Digital Format (PDF)
Engine Service And Repair:
Comprehensive coverage of engine disassembly, assembly, tuning, and troubleshooting.
Fuel System Service:
Carburetor adjustments, fuel pump, fuel lines, and fuel tank maintenance.
Ignition System Service:
Spark plugs, ignition coils, points, condenser, and timing adjustments.
Drive System And Transmission:
Clutch assembly, drive belts, chain case, and gearbox maintenance and repair.
Suspension And Steering:
Front and rear suspension components, ski alignment, and steering mechanism service.
Brakes:
Brake caliper, brake pads, brake lines, and braking system troubleshooting.
Electrical System:
Wiring diagrams, lighting system, starter motor, battery maintenance, and electrical component testing.
Chassis And Bodywork:
Frame inspection, body panel repair, seat maintenance, and track assembly.
Routine Maintenance:
Lubrication schedules, track tension adjustment, and general inspection procedures.
Troubleshooting Guides:
Diagnostic charts and common problem solutions for various systems.
Disassembly And Reassembly:
Detailed step-by-step instructions for component removal and installation.
Component Rebuilds:
Instructions for overhauling major components like engines and transmissions.
Technical Specifications:
Torque specifications, clearances, tolerances, and fluid capacities.
Wiring Diagrams:
Detailed electrical schematics for easy troubleshooting.
Depth Of Coverage:
Comprehensive: Covers everything from basic maintenance and adjustments to full engine rebuilds and complex electrical diagnostics.
Format:
PDF (Portable Document Format)
Software Requirements:
Adobe Reader (free download available)
Printability:
High-quality, printable pages for individual sections or the entire manual.
Binding:
Not applicable (digital download)
Paper Quality:
Not applicable (digital download, print quality dependent on user's printer)
Engine Type:
Likely air-cooled two-stroke twin-cylinder gasoline engines. Specific engine models and displacements vary by year and trim.
Cooling System:
Air-cooled
Horsepower Range:
Typically in the range of 20-40 HP, depending on engine displacement and tuning.
Torque Characteristics:
Designed for low-end torque to power through snow.
Carburetion:
Typically single or dual Tillotson or Mikuni carburetors. Exact model and jetting will be detailed in the manual.
Fuel Type:
Gasoline mixed with two-stroke oil.
Ignition Type:
Contact breaker points and condenser ignition system, possibly CDI for later models.
Overall Length:
Varies by year and model, typically around 90-100 inches.
Overall Width:
Varies by year and model, typically around 30-40 inches.
Dry Weight:
Varies by year and model, likely in the 300-400 lb range.
Industry Safety Standards:
Adherence to relevant snowmobile safety standards of the era.
Braking System:
Disc or drum brake system, detailed within the manual.
Kill Switch:
Engine kill switch (often tethered) is a standard safety feature.
Routine Checks:
Weekly: Track tension, drive belt condition, ski alignment. Monthly: Carburetor cleaning, spark plug inspection, chain case lubrication.
Annual Maintenance:
Full tune-up: Carburetor sync, ignition timing, clutch inspection, coolant flush (if liquid-cooled models exist), and general lubrication.
2 Stroke Oil:
Specific John Deere branded or API-TC certified two-stroke oil. Recommended mix ratio will be detailed.
Chaincase Oil:
Specific gear oil, likely SAE 80 or 90W, with exact specifications provided in the manual.
Common Wear Points:
Drive belt wear, clutch components, track sprockets, carburetor performance degradation due to age, and ignition point wear.
Engine Tuning Challenges:
Maintaining precise carburetor settings and ignition timing due to wear and tear on older components.
John Deere Legacy:
John Deere, renowned for agricultural and construction equipment, had a significant presence in the snowmobile market during the 1970s.
340 Cyclone Era:
The 340 Cyclone was part of John Deere's Snowmobile division's offering during a competitive period in snowmobile manufacturing, known for its robust construction.
Production Period:
Produced from 1972 to 1977, covering multiple refinements and updates within this range.