Target Audience:
Snowmobile owners, mechanics, DIY enthusiasts
Uniqueness:
Model and year specific, comprehensive coverage, instant digital delivery
Features:
Step-by-step procedures, illustrations, diagrams, troubleshooting guide
Benefit:
Empowers owners to perform maintenance and repairs to factory specifications, reducing reliance on costly shop services.
Primary Focus:
Maintenance, Repair, Troubleshooting, Overhauling
Estimated Page Count:
Comprehensive (exact count not specified, but described as 'every aspect')
Type:
Service and Repair Manual
Format:
Digital Download (PDF)
Engine:
Complete overhaul, tuning, carburetor, ignition system, cooling system
Drivetrain:
Clutch systems (primary and secondary), drive chain, gearbox
Suspension:
Front and rear suspension components, shock absorbers, trailing arms
Electrical:
Wiring diagrams, lighting, ignition, charging system, starter
Chassis Body:
Frame, body panels, skis, track system
Fuel System:
Fuel tank, fuel lines, fuel pump, carburetor specifications and adjustments
Maintenance:
Regular service, lubrication, belt inspection/replacement, spark plug service
Repair:
Step-by-step repair procedures for all major components
Troubleshooting:
Advanced troubleshooting guides for common and complex issues
Overhauling:
Complete engine and component overhauling procedures
Diagnostics:
Diagnostic procedures for identifying faults
Depth:
Factory Specifications, Detailed Procedures, Component Rebuilds
Type:
2-stroke, Fan-Cooled
Displacement:
334cc (approximately)
Configuration:
Typically parallel twin cylinder
Horsepower:
Specific figures vary by model year, typically in the 30-40 HP range for this class
Torque:
Specifications available within the manual
Carburetor Type:
Dual Mikuni VM series (common for this era, specific model number in manual)
Fuel Type:
Regular Unleaded Gasoline Mixed with 2-Stroke Oil
Type:
CDI (Capacitor Discharge Ignition)
Length:
Specifications vary by specific model year and variant, detailed in manual.
Width:
Specifications vary by specific model year and variant, detailed in manual.
Height:
Specifications vary by specific model year and variant, detailed in manual.
Dry Weight:
Typically around 350-400 lbs for this class, exact figures in manual.
Payload Capacity:
Not typically specified as a primary metric for snowmobiles, but track/rider capacity is implied.
Track Length:
Specifications vary, typically 136 inches or similar for this era, detailed in manual.
Track Width:
Typically 15 inches for this era, detailed in manual.
Crash Test Results:
N/A (Snowmobiles are not subjected to traditional automotive crash testing).
Braking System:
Hydraulic Disc Brake (rear)
Throttle Control:
Thumb Throttle with Return Spring
Kill Switch:
Engine Kill Switch/Lanyard (Operator Presence Control)
Lighting:
Headlight, Taillight/Brake Light
Features:
Basic instrumentation: Speedometer, Tachometer, Odometer, Engine Temp Light (if equipped).
Features:
N/A (No electronic driver assistance systems typical for this era).
Features:
N/A (No electronic connectivity).
Oil Change:
Not applicable for 2-stroke pre-mix. Focus on 2-stroke oil level checks and oil injection system if equipped.
Spark Plugs:
Recommended replacement/cleaning at seasonal intervals or as per manual, typically every 1,000-1,500 miles or annually.
Clutch Maintenance:
Periodic inspection and cleaning of primary and secondary clutches for optimal performance.
Track Tension:
Regular checks and adjustments for proper track tension are crucial for performance and longevity.
2 Stroke Oil:
Yamalube 2 (or equivalent API-TC rated synthetic 2-stroke oil) for pre-mix or injection system.
Gear Oil:
Yamaha GL-4 Hypoid Gear Oil or equivalent SAE 80W/90 specification.
Coolant:
N/A (Fan-cooled, no liquid coolant).
Carburetor Clogging:
Common in older sleds due to fuel varnish, requiring cleaning and proper fuel stabilizer use.
Clutch Wear:
Primary and secondary clutch sheaves, rollers, and springs can wear over time, affecting performance.
Suspension Bushings:
Rubber bushings in suspension components can degrade, leading to play and reduced handling.
Ignition Coil Failure:
Older CDI systems can be prone to coil failure, impacting spark.
Yamaha Legacy:
Yamaha has a long history of producing reliable and performance-oriented snowmobiles, starting in the late 1960s.
Enticer Series:
The Enticer series was a popular line of mid-range trail snowmobiles, known for their comfort and reliability. The Excell III was an evolution focusing on enhanced features and performance within that segment.
Manufacturing Era:
These models represent a significant period of snowmobile development in the 1980s, balancing power, suspension, and rider comfort.