Segment:
High-performance sport ATV
Target Audience:
Enthusiasts, racers, and serious off-road riders seeking performance and customization
Key Competitors:
Suzuki LT250R, Honda TRX250R, Kawasaki Tecate-4
Vehicle Usp:
Powerful two-stroke V-twin engine, aggressive styling, performance-oriented chassis
Manual Value Proposition:
Authoritative, factory-sourced information for comprehensive repair and maintenance, empowering owners to maintain peak performance.
Primary Coverage:
Workshop procedures, diagnostic, service, repair, and maintenance
Included Components:
Engine, transmission, chassis, electrical system, bodywork
Estimated Pages:
Thousands of pages (as stated, exact count not specified)
Type:
Service Repair Manual
Compatibility:
Windows & MAC compatible
Engine Systems:
Top-end rebuild (cylinder, piston, head), bottom-end rebuild (crankshaft, bearings, seals), cooling system, lubrication system, fuel system (carburetors, fuel pump), ignition system, exhaust system
Transmission Drivetrain:
Clutch system (operation, adjustment, replacement), gearbox (gears, shift mechanism), final drive (chain, sprockets)
Electrical System:
Wiring diagrams, lighting, ignition switch, starter system, battery, charging system, sensors, troubleshooting electrical faults
Chassis Suspension Steering:
Front suspension (A-arms, shocks, steering components), rear suspension (swingarm, shocks, linkages), steering system (handlebar, tie rods), wheels and tires
Brakes:
Front and rear brake systems (discs, calipers, master cylinders, lines), hydraulic system bleeding
Bodywork Frame:
Body panel removal and installation, frame inspection and repair
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, chain lubrication and adjustment, tire pressure checks
Repair:
Engine component replacement and overhaul, transmission repair, suspension component replacement, brake system repair, carburetor tuning and rebuilding
Diagnostics:
Troubleshooting common problems, diagnostic charts, electrical system diagnostics, engine performance diagnosis
Technical Data:
Torque specifications for all fasteners, fluid capacities, recommended fluid types, engine timing, carburetor jetting specifications
Depth:
Comprehensive, covering all workshop procedures from basic maintenance to complete engine and transmission rebuilds, suitable for professional technicians and advanced DIY mechanics
Quality:
High-quality, printable diagrams and text
Searchability:
Likely searchable due to PDF format
Suitability:
Suitable for professional printing or home use
N/A:
Digital download, not physically bound
N/A:
Digital download, not printed on paper
Engine Type:
Liquid-cooled, 2-stroke, V-twin
Bore X Stroke:
64.0 mm x 54.0 mm (typical)
Compression Ratio:
7.2:1 (typical, may vary by year/model)
Carburetion:
Dual Mikuni VM26SS (or similar, specifications vary by year)
Ignition:
CDI (Capacitor Discharge Ignition)
Horsepower:
Approx. 45-50 hp (stock, varies by year and tuning)
Torque:
Approx. 30-35 lb-ft (stock, varies by year and tuning)
Fuel Type:
Unleaded gasoline (minimum 91 octane recommended)
Oil Mixture:
Pre-mix required for 2-stroke lubrication (typically 20:1 or 32:1 ratio with high-quality 2-stroke oil)
Length:
Approx. 72.1 inches (1830 mm)
Width:
Approx. 45.1 inches (1145 mm)
Height:
Approx. 43.1 inches (1095 mm)
Wheelbase:
Approx. 49.2 inches (1250 mm)
Dry Weight:
Approx. 390 lbs (177 kg)
Fuel Capacity:
Approx. 3.2 US gallons (12 Liters)
Crash Test Ratings:
N/A (ATVs typically do not have standardized crash test ratings like passenger vehicles)
Braking System:
Hydraulic disc brakes front and rear
Suspension Design:
Long-travel independent front suspension, swingarm rear suspension for stability and terrain handling
Handlebars:
Wide handlebars for control and leverage
Footpegs:
Wide, serrated footpegs for grip
Throttle:
Thumb throttle with return spring mechanism
Engine Oil Change:
Every 30-40 hours of operation or annually
Air Filter Cleaning:
Every 10-15 hours of operation, or more frequently in dusty conditions
Spark Plug Replacement:
Every 25-30 hours of operation or annually
Chain Lubrication Adjustment:
Every 15-20 hours of operation, or after washing/submerging
Engine Oil Type:
2-stroke engine oil (e.g., Yamalube 2M or equivalent API-TD rated)
Coolant Type:
Ethylene glycol-based antifreeze (50/50 mix with distilled water)
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid
Transmission Oil:
N/A (2-stroke engine oil is used for lubrication in the crankcase)
Engine Reliability:
Susceptible to heat-related issues if not properly maintained; carburetors require regular cleaning and tuning.
Clutch Wear:
Clutch can wear faster with aggressive riding or improper adjustment.
Electrical Connector Corrosion:
Connectors in exposed areas can be prone to corrosion without proper maintenance.
Manufacturer:
Yamaha Motor Company
Specialization:
Known for performance-oriented motorcycles, snowmobiles, and ATVs.
Key Updates:
While the core design remained consistent, updates included minor engine tweaks, revised suspension geometry, different graphics packages, and some electrical component changes across its production run.
Production End Year:
2006
Manufacturing Region:
Japan and USA (final assembly)