Segment:
Performance and Touring Snowmobiles
Target Audience:
Owners seeking to perform their own maintenance and repairs, independent repair shops, and enthusiasts.
Competitors:
Arctic Cat, Ski-Doo, Polaris in the 700cc class performance snowmobile market of the early 2000s.
Performance Focus:
These models were known for their powerful 700cc class engines, offering a balance of performance for trail riding and recreation.
Value Proposition:
Provides essential technical knowledge for maintaining and repairing these specific Yamaha snowmobiles, crucial for longevity and optimal performance.
Engine:
Detailed diagnosis, overhaul, tuning, lubrication, cooling system, fuel system (carburetion), ignition system, exhaust system.
Drivetrain:
Primary clutch, secondary clutch (drive clutch), driven clutch, chaincase, gearbox, drive shaft, track system, suspension components.
Electrical:
Stator, generator, battery, starter motor, lighting system, ignition system components, wiring diagrams, fuses, relays, CDI unit, sensor diagnostics.
Chassis And Bodywork:
Frame, steering system, front suspension (spindle, A-arms), rear suspension (torque arm, skid frame), skis, seat, body panels, windshield.
Brakes:
Hydraulic brake system, caliper, master cylinder, brake disc, brake lines, parking brake mechanism.
Fuel System:
Carburetor identification, disassembly, cleaning, adjustment, fuel pump, fuel lines, fuel tank, fuel filter.
Cooling System:
Radiator, coolant, hoses, thermostat, fan (if applicable).
Maintenance:
Routine checks, lubrication schedules, filter replacement, spark plug replacement, battery maintenance, track tension adjustment, clutch inspection and cleaning.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault codes interpretation (if applicable), electrical system diagnostics.
Repair:
Step-by-step disassembly and reassembly instructions for all major components, engine rebuild procedures, clutch rebuilding, suspension repair, electrical component replacement.
Tuning And Adjustment:
Carburetor tuning, ignition timing adjustment (if applicable), chaincase oil level and type, clutch spring and weight adjustments for performance tuning.
Depth:
Comprehensive coverage from basic owner maintenance to advanced engine overhaul and component rebuilding. Includes detailed specifications, tolerances, and torque values.
Engine Type:
700cc Class, 2-Stroke, 3-Cylinder (typical for these models)
Displacement:
Approximately 698cc (exact may vary slightly between specific models)
Bore X Stroke:
Typically around 73.0 mm x 54.4 mm (verify with manual for exact specs)
Cooling System:
Liquid-cooled
Horsepower:
Estimated 110-125 HP (varies by specific model and tuning)
Torque:
Not typically published as a specific figure, but known for strong mid-range power delivery.
Carburetor Type:
Triple Mikuni carburetors (e.g., VM Series, likely 38mm or 40mm - verify with manual)
Ignition System:
CDI (Capacitor Discharge Ignition) with electronic advance
Oil System:
Autolube (Yamaha's automatic oil injection system)
Type:
CVT (Continuously Variable Transmission) - Yamaha's 'RydeFX' or similar branding
Clutches:
Primary (Drive) Clutch, Secondary (Driven) Clutch with adjustable weights and springs.
Reverse:
Typically featured on Venture models, often manually engaged via the chaincase.
Gear Reduction:
Chaincase with various gear ratios depending on the model and track length. Manual specifies lubrication requirements and intervals.
Length:
Varies by model, but generally in the range of 105-115 inches (267-292 cm).
Width:
Varies by model, typically 47-49 inches (119-124 cm).
Height:
Varies by model, typically 40-45 inches (102-114 cm).
Dry Weight:
Approximately 450-500 lbs (204-227 kg) depending on model and features.
Track Dimensions:
Commonly 15" wide x 121" or 136" long with varying lug heights. Specifics will be in the manual.
Crash Test Data:
Snowmobiles are not subjected to automotive crash testing standards. Safety relies on rider skill and responsible operation.
Braking System:
Hydraulic disc brake system, essential for controlled stopping.
Throttle Safety:
Thumb throttle with safety lever/switch (engine must be running and throttle engaged for operation).
Kill Switch:
Engine kill switch (tether cord system often included).
Lighting:
Headlights, taillight/brake light for visibility.
Ergonomics:
Designed for rider comfort and control, but manual emphasizes proper riding technique.
Instrument Cluster:
Basic analog and digital displays for speedometer, tachometer, fuel level, engine temperature, and warning lights.
No Electronic Aids:
These models predate advanced electronic rider aids like traction control or rider modes found on modern snowmobiles.
No Connectivity:
No integrated Bluetooth, Wi-Fi, or smart device connectivity.
Initial Break In:
Specific break-in procedure and mileage/time interval for new or rebuilt engines. Crucial for engine longevity. Manual will detail this.
Oil Change Chaincase:
Typically every 1000-2000 miles or annually. Specific interval and oil type will be in the manual.
Spark Plug Replacement:
Recommended every 100-200 hours or annually. Manual will specify type and gap.
Clutch Maintenance:
Inspection of clutch weights, rollers, springs, and sheave condition recommended annually or every 500-1000 miles.
Track Tension:
Check and adjust track tension every 20-30 hours or as needed. Manual provides precise adjustment procedure.
Engine Oil Type:
Yamaha recommends specific 2-stroke synthetic or semi-synthetic injection oil. Manual will list approved part numbers (e.g., Yamaha Lube).
Chaincase Oil Type:
Yamaha 4-stroke motor oil (e.g., 10W-40 or 20W-50) or equivalent. Manual will specify viscosity and capacity.
Coolant Type:
Permanent type antifreeze/coolant (ethylene glycol based), typically a 50/50 mix with distilled water. Manual will specify type and capacity.
Carburetor Icing:
Common in cold, humid conditions. Manual may offer tuning advice or modifications.
Clutch Wear:
Wear on clutch rollers, bushings, and springs can affect performance. Regular inspection and replacement are key. Manual details inspection points.
Exhaust Power Valve Fouling:
Carbon buildup on exhaust power valves can lead to reduced performance. Manual will detail cleaning procedures.
Track Tension Loss:
Can be caused by worn sliders or improper adjustment. Manual provides correct adjustment procedure.
Yamaha Powersports:
Yamaha has a long and distinguished history in powersports, known for its innovative engineering and reliable engines across motorcycles, ATVs, and snowmobiles.
Vmax Lineage:
The Vmax series represented Yamaha's performance-oriented snowmobiles, often featuring potent 2-stroke engines and advanced chassis designs for their time.
Engine Development:
The 700cc 3-cylinder 2-stroke engine was a staple for Yamaha in this era, known for its smooth power delivery and strong performance.
Era Focus:
Early 2000s snowmobile market, characterized by increasing engine sizes and refinement of suspension and chassis technology.
