The Yamaha GS340 Snowmobile represents a robust and reliable option within Yamaha's esteemed history of snowmobile manufacturing. Popular during the late 1970s and early 1980s, this model is characterized by its durable construction and dependable performance, embodying the innovation of its era. Designed for trail riding and utility, the GS340 is built upon a lineage of well-engineered snowmobiles, offering owners a blend of capability and longevity. Its 339cc, likely air-cooled, 2-stroke twin-cylinder engine, coupled with a Continuously Variable Transmission (CVT) system, ensures efficient power delivery for various snow conditions.
This comprehensive service and repair manual provides essential information for the maintenance and repair of the Yamaha GS340 Snowmobile. Covering a wide range of systems including the engine, power train, steering, chassis, and electrical system, it offers detailed procedures for disassembly, reassembly, maintenance, and troubleshooting. With step-by-step instructions, diagrams, and searchable content, this manual is an invaluable resource for owners, mechanics, and technicians. It empowers users to perform tasks ranging from basic upkeep and fluid changes to complex repairs, ensuring optimal performance, safety, and extended operational life for their GS340.
Model Variant:
Snowmobile
Target Audience:
Yamaha GS340 Snowmobile owners, mechanics, and DIY enthusiasts
Value Proposition:
Provides essential information for maintaining and repairing the Yamaha GS340, enabling cost savings and ensuring optimal performance and longevity.
Manual Benefits:
Step-by-step instructions, numerous pictures and diagrams, searchable and bookmarked for quick access, instant download.
Download Type:
Instant Download upon payment completion.
Cost Savings:
Enables DIY repairs, saving significant money on professional service.
Primary Coverage:
Service and Repair
Type:
Service/Repair Manual
Systems:
General Information, Engine, Power Train, Steering (Ski), Chassis, Electrical System, Troubleshooting
Body Panels:
Information on removal, installation, and repair of plastic body panels and trim.
Procedures:
Disassembly, Reassembly, Maintenance, Troubleshooting
Lubrication Points:
Identifies all lubrication points and specifies the correct lubricant type and intervals.
Depth:
Comprehensive (from basic maintenance to advanced repair and troubleshooting)
Clutch Service:
Detailed procedures for servicing, adjusting, and replacing the drive and driven clutches, including weight and spring configurations.
Brake System Maintenance:
Coverage of the brake system, including lever, cable, and caliper maintenance, and fluid (if applicable) or pad replacement.
Cooling System Maintenance:
For air-cooled engines, this would include inspection of fins and any related components.
Software Requirements:
Adobe PDF Reader
Interactivity:
Zoom In/Out, Bookmarked, Searchable
Printability:
All pages printable
Binding:
Digital (PDF Download)
Paper Type:
Not Applicable (Digital)
Operating Systems:
All Versions of Windows & Mac (including Windows 7, Vista32 and 64, XP, ME, 98, NT, 2000)
Engine Type:
Internal Combustion (details specific to GS340, e.g., 2-stroke, air-cooled, twin-cylinder, not explicitly stated in product info but typical for this era/model)
Performance Enhancement:
Manual covers procedures to achieve optimum performance and longevity.
Fuel System Coverage:
Likely covers carburetor(s) and fuel delivery systems relevant to the GS340 engine.
Cylinders:
Likely 2-cylinder (based on model number convention and typical Yamaha engine configurations of the era).
Cooling System:
Likely Air-Cooled (common for Yamaha snowmobiles of this displacement and era).
Ignition Type:
Details on magneto or CDI ignition system components and troubleshooting.
Spark Plug Recommendations:
Manual will specify correct spark plug type, gap, and replacement intervals.
Displacement:
339cc (derived from model number 'GS340', a common Yamaha displacement for this series).
Transmission Type:
CVT (Continuously Variable Transmission) is standard on most snowmobiles of this era and model type, manual likely details its maintenance and repair.
Optional Transmission:
Not typically offered for this model type.
Transmission Features:
Details on drive clutch, driven clutch, belt, and gear reduction systems for power transfer.
Exterior Dimensions:
Specific dimensions are not provided in the product information, but the manual would contain these for repair and maintenance purposes.
Dry Weight:
Specific weight data is not in the product description; the manual would include this.
Safety Ratings:
Safety ratings specific to this vintage snowmobile are not provided in the product information. The manual will cover safety precautions during repairs.
Active Safety Features:
Manual would cover operation and maintenance of systems like throttle, brakes, and steering for safe operation.
Passive Safety Features:
Information regarding chassis integrity and component function for rider safety.
Infotainment System:
Basic instrumentation typical for the era: speedometer, tachometer (if equipped), indicator lights.
Driver Assistance Features:
Focus on mechanical systems for operation and control; no electronic driver aids.
Connectivity Features:
Not applicable for this vintage model.
Service Intervals:
The manual will detail recommended service intervals for engine oil changes, lubrication points, chain tensioning, and component inspections.
Engine Oil Type:
Likely specifies specific 2-stroke engine oil and pre-mix ratios or injection oil specifications.
Gearcase Oil Type:
Manual will specify the correct type and viscosity of gear oil for the drive system.
Common Issues:
Troubleshooting section likely addresses common issues such as carburetor tuning, ignition system problems, track wear, and clutch maintenance.
Brand Heritage:
Yamaha has a long-standing reputation for producing reliable and high-performance snowmobiles, dating back to the early days of the sport.
Model Evolution:
The GS series represents a lineage of Yamaha's utility and trail-focused snowmobiles, often characterized by their dependable engines and robust construction.
Engine Type History:
The GS340 likely featured Yamaha's reliable and robust 2-stroke twin-cylinder engines known for their durability.
Production Era:
The GS340 model was popular in the late 1970s and early 1980s, a period of significant growth and innovation in the snowmobile industry.
Drive System Type:
Chaincase, likely with a secondary clutch system.
Track Specifications:
Manual will cover track tension, condition inspection, and replacement procedures.
Ski Geometry:
Details on ski alignment, wear, and ski-Doo components for optimal steering performance.
Handlebar Controls Maintenance:
Information on throttle lever, brake lever, and grip adjustments.
Frame Type:
Manual may discuss frame integrity, welding points, and potential repairs.
Suspension Type:
Details on front and rear suspension components, shocks, and springs, including adjustment and servicing.
Wiring Diagrams Availability:
Comprehensive wiring diagrams for all electrical components will be included.
Lighting System Coverage:
Maintenance and troubleshooting for headlamp, taillight, and any auxiliary lighting.
Battery Specifications:
Information on battery type, charging system, and voltage checks.
Diagnostic Procedures:
Step-by-step troubleshooting guides for common operational issues, categorized by system.
Symptom Based Troubleshooting:
Provides likely causes and solutions for symptoms such as hard starting, poor running, loss of power, etc.
