Target Audience:
Yamaha SX Viper 700 snowmobile owners, technicians, and repair shops
Value Proposition:
Provides essential, factory-level information for maintaining and repairing the SX Viper 700, ensuring longevity and optimal performance.
Manual Features:
Comprehensive coverage, factory accuracy, detailed illustrations, troubleshooting guides.
Engine System:
Complete overhaul, troubleshooting, component inspection, tuning, lubrication, cooling system
Fuel System:
Carburetor service and tuning, fuel pump, fuel lines, fuel tank maintenance
Ignition System:
CDI unit, spark plugs, ignition coils, timing checks
Drive System:
CVT (Continuously Variable Transmission) clutch service, belt inspection and replacement, chain case maintenance, drive sprocket, driven sprocket
Suspension System:
Front suspension (scissoring type), rear suspension (Proraction, Long Travel), shock absorber service, spring adjustments, slider maintenance
Braking System:
Hydraulic brake system, caliper service, brake pad replacement, brake fluid, master cylinder, brake disc
Electrical System:
Wiring diagrams, lighting, starter motor, battery, charging system, gauges, switches
Body And Chassis:
Body panel removal and installation, seat, handlebars, windshield, running boards, track installation and adjustment
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, track tension adjustment, lubrication points, battery care
Troubleshooting Guides:
Diagnostic flowcharts for common starting, running, and electrical issues
Engine Repair:
Top-end rebuilds, bottom-end overhauls, piston and ring replacement, crankshaft inspection, cylinder head service
Transmission Service:
Clutch alignment, weight and spring changes, belt replacement procedures, chain case oil and sprocket service
Suspension Overhaul:
Shock absorber rebuilds, bearing replacement, component alignment
Electrical Diagnostics:
Fault finding for ignition, charging, and lighting systems using wiring diagrams
Carburetor Tuning:
Jetting adjustments, float bowl settings, idle speed adjustments for optimal performance
Diagnostics:
Advanced diagnostic procedures and specifications
Rebuilds:
Complete engine and component rebuild procedures
Specifications:
Detailed torque specifications, clearances, and tolerances
Diagrams:
Exploded views, schematics, and detailed illustrations
Engine Type:
3-Cylinder, 2-Stroke, Reed Valve, Fan Cooled
Bore X Stroke:
72.0 mm x 56.6 mm
Compression Ratio:
7.0 : 1
Carburetion:
Triple Mikuni VM34-304 carburetors (common configuration)
Horsepower Est:
Approximately 110-120 HP (estimated for the era)
Fuel Type:
Unleaded gasoline (minimum 87 octane recommended)
Oil Mixture:
Premix (manual will detail specific oil-to-gas ratio or oil injection system operation if equipped)
Crankcase Lubrication:
Oil injection system or premix depending on specific configuration
Cooling System:
Fan cooled
Initial Inspection:
First 10-20 hours or 100 miles (refer to manual for specifics)
Regular Maintenance:
Every 30-60 hours or 300-600 miles (depending on component, refer to manual)
Clutch Inspection:
Annually or every 100-200 hours
Track Adjustment:
Every 20-30 hours or as needed based on tension
Engine Oil Type:
2-stroke synthetic blend or injection oil (specific Yamaha recommendations)
Chain Case Oil Type:
Yamalube Gear Oil or equivalent SAE 80W-90 GL-5
Brake Fluid Type:
DOT 3 or DOT 4 brake fluid
Coolant Type:
N/A (Fan-cooled engine)
Common Wear Items:
Drive belts, carbides, sliders, suspension bushings, exhaust gaskets
Potential Engine Issues:
Carburetor synchronization, crank seal leaks, exhaust port fouling (if not maintained properly)
Clutch Maintenance:
Regular cleaning and inspection of clutch weights, rollers, and springs for wear
Yamaha Heritage:
Yamaha has a long-standing reputation for producing high-quality, reliable, and performance-oriented snowmobiles, particularly known for their innovative engine designs and robust build.
Viper Lineage:
The Viper series was Yamaha's flagship performance snowmobile line, known for its powerful twin-cylinder (initially) and then triple-cylinder engines and advanced chassis designs.
Sx Viper 700 Positioning:
The SX Viper 700 represented a pinnacle of Yamaha's performance snowmobile offerings in the early 2000s, catering to riders seeking speed and agile handling.
Production Period:
2002-2006 model years
Manufacturing Location:
Yamaha Motor Corporation, Japan (Snowmobile production facilities)