🏷️ Basic Information Identification Make: Yamaha Model: EX440 Exciter Model Years Covered: 1980, 1981 Vehicle Type: Snowmobile 👋 Introduction Market Position Positioning: Essential resource for owners and technicians maintaining the...
Detailed diagnostic charts for identifying and resolving common operational issues.
Technical Depth
Depth:
Comprehensive: from basic checks to in-depth repairs and diagnostics.
📊 Manual Specifications
File Format
File Type:
PDF (Plain, simple, easy to use)
Print Quality
Printability:
Printable pages for field use
Binding Type
Binding:
N/A (Digital Download)
Paper Type
Paper Type:
N/A (Digital Download)
⚙️ Engine Specifications
Primary Engine
Engine Type:
Two-stroke, Fan-Cooled
Displacement:
433 cc (Cubic Centimeters)
Configuration:
Parallel-twin cylinder
Bore X Stroke:
Specifications available in the manual.
Compression Ratio:
Specifications available in the manual.
Performance
Horsepower Estimate:
Approximately 30-35 HP (specific figures may vary and are detailed in the manual).
Fuel System
Carburetion:
Dual Mikuni carburetors (specific model numbers detailed in manual)
Fuel Type:
Unleaded Gasoline (with appropriate oil mix for 2-stroke lubrication)
Lubrication System
Lubrication Type:
Oil Injection (Auto-Lube) or Pre-mix (details provided in manual)
Cooling System
Cooling Method:
Fan-Cooled
🔧 Transmission
Standard
Type:
CVT (Continuously Variable Transmission) with Primary and Secondary Clutch Assembly
Features
Drive System:
Chain Drive to Track
Clutch Adjustment:
Manual adjustment procedures for primary and secondary clutches are covered.
📐 Dimensions
Exterior
Overall Length:
Specific dimensions detailed in manual, typical for its era.
Weights
Dry Weight Estimate:
Around 390-420 lbs (177-190 kg) - exact figures in manual.
🛡️ Safety Features
Ratings
Crash Testing:
Not applicable to snowmobiles in the same manner as automobiles.
Active Features
Braking System:
Hydraulic Disc Brake (specifics on caliper, rotor, and fluid in manual)
Passive Features
Kill Switch:
Emergency Engine Shut-off (Leash type likely)
💡 Technology Features
Infotainment
Features:
Basic instrumentation: speedometer, tachometer, engine temperature light, oil light.
Driver Assistance
Features:
None typically found on models of this era.
Connectivity
Features:
None.
🔧 Maintenance
Service Intervals
Routine Checks:
Frequent checks for track tension, lubrication, coolant (if applicable), and general condition are recommended. Specific intervals for spark plugs, air filters, and clutch service detailed.
Clutch Maintenance:
Specific mileage or operational hour intervals for clutch inspection, cleaning, and belt replacement.
Fluid Specifications
Engine Oil:
Yamaha 2-stroke oil injection lubricant or equivalent API TC-W3 rated 2-stroke oil. Exact specifications for mixing ratio if pre-mixing is required.
Brake Fluid:
DOT 3 or DOT 4 brake fluid (specific type in manual).
Gearcase Oil:
Specific gear oil viscosity (e.g., SAE 80W-90 GL-3 or GL-4) as per Yamaha recommendation.
Known Issues
Common Problems:
Carburetor tuning and cleaning, clutch wear, track condition, and electrical connections are common areas for attention on vintage snowmobiles.
Preventative Maintenance:
Regular cleaning of cooling fins, checking exhaust system integrity, and proper storage are crucial for longevity.
📚 Vehicle History
Brand Heritage
Yamaha Legacy:
Yamaha has a long-standing reputation for reliability and performance in the snowmobile industry, dating back to the 1960s.
Model Evolution
Exciter Line:
The Exciter line was known for its sporty performance and was a popular model in Yamaha's lineup during the early 1980s.
Production
Manufacturing Era:
Early 1980s, representing a period of significant development in snowmobile technology.
🏆 Awards & Recognition
Recognitions
Industry Acclaim:
While specific awards for the 1980-1981 EX440 may not be widely documented, Yamaha snowmobiles of this period were generally recognized for their performance and reliability within their class.
Le choix d'une sélection entraîne l'actualisation de la page entière.