Model:
Venture 700 / VMAX 700ER / 700 DELUXE / MOUNTAIN MAX 700 / SRX700R
Product Type:
Snowmobile Service Manual
Chassis Codes:
Likely variations based on specific model trim (e.g., VK540, SRX700)
Engine Codes:
700cc Liquid-Cooled Twin-Cylinder
Category:
Performance and Touring Snowmobiles
Target Audience:
Snowmobile owners seeking to perform their own maintenance and repairs, as well as professional mechanics.
Competitors:
Arctic Cat, Ski-Doo, Polaris snowmobiles of the same era.
Engine Variant:
Powerful 700cc liquid-cooled twin-cylinder engine, known for reliability and performance.
Model Diversity:
Covers multiple variants (Venture, VMAX, Mountain Max, SRX) offering different riding experiences from touring to aggressive trail riding and mountain capability.
Engine:
Detailed disassembly, assembly, inspection, and repair of the 700cc liquid-cooled twin-cylinder engine, including cooling system, lubrication system, ignition system, and fuel system.
Drivetrain:
CVT (Continuously Variable Transmission) system, including drive clutch, driven clutch, belt inspection, primary and secondary gearcase, and chaincase maintenance.
Electrical:
Complete electrical system coverage, including wiring diagrams, lighting, ignition system components, starter, battery, charging system, and sensors.
Suspension:
Front and rear suspension systems, including shock absorbers, springs, control arms, skis, and track system.
Brakes:
Hydraulic brake system, including master cylinder, calipers, brake lines, brake disc, and parking brake mechanism.
Steering:
Handlebar steering system, linkage, and steering post.
Fuel System:
Carburetor(s) (likely Mikuni BS34 or similar), fuel pump, fuel lines, and fuel tank.
Cooling System:
Liquid cooling system, radiator, coolant, water pump, hoses, and thermostat.
Routine Maintenance:
Oil changes, filter replacements, spark plug inspection and replacement, track tension adjustment, lubrication points.
Troubleshooting:
Diagnostic procedures for common issues, fault codes (if applicable), and systematic problem-solving guides.
Major Repairs:
Engine rebuilds, transmission overhauls, suspension component replacement, electrical system repairs.
Component Removal Installation:
Step-by-step guides for removing and installing all major and minor components.
Specifications Data:
Torque specifications, clearance measurements, fluid capacities, and critical tolerances for all components.
Depth:
Comprehensive, covering from basic owner maintenance to advanced mechanical and electrical repairs, suitable for professional technicians and experienced DIY enthusiasts.
Engine Type:
Liquid-Cooled, 2-Stroke, Reed Valve, Twin Cylinder
Bore X Stroke:
72.0 mm x 64.0 mm (approximate, to be confirmed in manual)
Compression Ratio:
6.7:1 (approximate, to be confirmed in manual)
Horsepower:
Approximately 100-120 HP (varies by model and tuning, exact figures in manual)
Torque:
Estimated 70-80 ft-lbs (exact figures in manual)
Carburetor:
Dual Mikuni BS34 or similar (specified in manual)
Fuel Type:
Unleaded gasoline (87 octane minimum recommended, specific requirement in manual)
Oil Injection:
Yamaha Active Oil Injection System (details on tank capacity and oil type in manual)
Type:
Yamaha Constant Velocity Transmission (CVT) with Quick Shift Clutch
Options:
N/A (CVT is standard)
Drive Clutch:
Yamaha Dia-Set clutch (specifications for engagement RPM and maintenance in manual)
Driven Clutch:
Yamaha roller secondary clutch (specifications for spring tension and roller inspection in manual)
Gear Reduction:
Chaincase with specific gear reduction ratios (detailed in manual)
Transmission Fluid:
Yamalube 2W or equivalent 2-stroke oil for injection; specific gear oil for chaincase (type and capacity in manual)
Length:
Varies by model (e.g., Venture ~118-120 inches, Mountain Max ~121 inches - specific dimensions in manual)
Width:
Varies by model (e.g., ~47-48 inches - specific dimensions in manual)
Height:
Varies by model (e.g., ~48-50 inches - specific dimensions in manual)
Storage:
Varies by model (e.g., Venture often has a rear storage rack/compartment; Mountain Max may have smaller storage - details in manual)
Dry Weight:
Varies by model (approx. 500-550 lbs - specific figures in manual)
Fuel Capacity:
Approx. 10.4 US gallons (39.4 L) - specific capacity in manual
Crash Safety:
Snowmobiles are not typically crash-tested by agencies like NHTSA or IIHS. Safety relies on design and owner operation.
Braking System:
Hydraulic disc brake with rear caliper.
Engine Kill Switch:
Standard tethered kill switch for rider safety.
Lighting:
Halogen headlight, taillight, and brake light for visibility.
Windscreen:
Provides rider protection from wind and snow spray.
Dashboard:
Analog speedometer, tachometer, odometer, fuel gauge, and indicator lights (details on specific gauges in manual).
No Advanced Driver Assistance:
This era of snowmobiles predates modern digital driver assistance systems.
No Connectivity:
No integrated connectivity features like Bluetooth or GPS.
Oil Change:
Every 1,000 miles or annually (refer to manual for specific interval and type of oil).
Spark Plug Inspection:
Every 1,000 miles or annually (specific gap and type in manual).
Clutch Inspection:
Annually or every 1,000 miles (check for wear, belt condition, and roller condition).
Track Tension Adjustment:
As needed, or every 500 miles (specific tension value in manual).
Engine Oil Injection:
Yamalube 2W, or equivalent API-TC certified synthetic 2-stroke oil (specific grade and viscosity in manual).
Chaincase Oil:
Yamalube Gear Oil (GL-4, SAE 80W-90) or equivalent (specific capacity in manual).
Coolant:
50/50 mix of antifreeze and distilled water (specific type and capacity in manual).
Engine Performance:
Potential for fouled spark plugs with improper jetting or short-distance riding. Carburetor cleaning may be required. Check for crank seal leaks.
Drivetrain:
CVT belt wear is normal; replace as needed. Check drive clutch weights and rollers for wear. Chaincase leaks can occur.
Electrical:
Corrosion on electrical connectors, especially in damp environments. Stator or rectifier issues can cause charging problems.
Suspension:
Shock absorber leaks or loss of damping. Ski wear and spindle wear.
Yamaha History:
Yamaha Motor Company, founded in 1955, has a long-standing reputation for quality, innovation, and performance in motorcycles, ATVs, and snowmobiles.
Venture Series:
The Venture line is known for its comfortable touring capabilities, often featuring a two-up seating arrangement and ample storage.
Vmax Series:
The VMAX series has historically been associated with high performance and sport riding, often featuring powerful engines and agile handling.
Mountain Max Series:
The Mountain Max is designed for deep snow and mountain terrain, typically featuring a longer track and lighter chassis for enhanced flotation and maneuverability.
Srx Series:
The SRX models are performance-oriented trail sleds, often emphasizing speed, handling, and rider engagement.
Manufacturing Location:
Likely manufactured by Yamaha Motor Corporation in Japan or Canada.
