Target Audience:
        
        
            Commuters, touring riders, experienced scooter enthusiasts
        
     
    
    
        
            Key Competitors Era:
        
        
            Suzuki Burgman 400, Honda Silver Wing 400 (approximate contemporaries)
        
     
    
    
        
            Vehicle Highlights:
        
        
            Comfortable ergonomics, ample under-seat storage, capable engine for highway use, premium feel
        
     
    
        
            Manual Value Proposition:
        
        
            Empowers owners and technicians with factory-level repair and maintenance knowledge, reducing reliance on expensive dealership services.
        
     
 
    
    
    
        
            Market Availability:
        
        
            Global (typical for Yamaha service manuals)
        
     
    
    
        
            Estimated Pages:
        
        
            500-700 (typical for comprehensive service manuals)
        
     
    
    
        
            Type:
        
        
            Factory Service & Repair Workshop Manual
        
     
    
        
            Content Type:
        
        
            Complete Factory Service Repair Workshop Manual
        
     
    
    
        
            Primary Language:
        
        
            English
        
     
    
    
        
            Digital Format:
        
        
            PDF (available for instant download)
        
     
    
        
            Licensing:
        
        
            No Extra fees, No Expiry dates (digital product)
        
     
    
        
            Accessibility:
        
        
            Instant download to computer, tablet, or smartphone
        
     
 
    
    
    
        
            Mechanical Systems:
        
        
            Engine (disassembly, assembly, tuning), Fuel System (injection, carburetion details if applicable to specific sub-models), Cooling System, Lubrication System, Exhaust System
        
     
    
        
            Drivetrain Systems:
        
        
            Automatic Transmission (CVT), Drive Belt, Clutch Assembly, Final Drive (gearbox)
        
     
    
        
            Chassis Systems:
        
        
            Frame, Suspension (front forks, rear shock), Steering, Brakes (hydraulic systems, caliper service, disc inspection), Wheels and Tires
        
     
    
        
            Electrical Systems:
        
        
            Ignition System, Starting System, Charging System (alternator, regulator/rectifier), Lighting, Instrumentation, Wiring Diagrams, ECU (Engine Control Unit) diagnostics
        
     
    
        
            Body And Trim:
        
        
            Fairings, Body Panels, Seat assembly, Storage compartments, Windscreen
        
     
    
    
        
            Routine Maintenance:
        
        
            Oil changes, Filter replacements (oil, air), Spark plug service, Chain/belt adjustment (if applicable), Coolant checks and replacement, Brake fluid flush, Tire pressure and wear checks
        
     
    
        
            Diagnostic Procedures:
        
        
            Troubleshooting guides for common symptoms, Fault code interpretation (if applicable via diagnostic tool), Component testing procedures
        
     
    
        
            Repair And Rebuild:
        
        
            Engine overhaul, Transmission disassembly and assembly, Suspension component replacement, Brake caliper overhaul, Electrical component repair/replacement
        
     
    
        
            Special Tool Requirements:
        
        
            Identification and usage of specialized Yamaha tools for specific procedures (e.g., flywheel holder, clutch compressor)
        
     
    
    
        
            Diagnostic Level:
        
        
            Comprehensive fault finding charts, diagnostic connector locations, and potential diagnostic tool usage
        
     
    
        
            Repair Level:
        
        
            Detailed step-by-step instructions for component removal, disassembly, inspection, repair, assembly, and installation
        
     
    
        
            Specification Detail:
        
        
            Precise torque values, clearances, fluid capacities, electrical specifications (resistance, voltage), and critical measurements
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, Liquid-cooled, SOHC, 4-valve
        
     
    
    
        
            Bore X Stroke:
        
        
            83.0 mm x 73.0 mm
        
     
    
        
            Compression Ratio:
        
        
            10.6:1
        
     
    
        
            Fuel Induction:
        
        
            Fuel Injection (Throttle Body Size ~38mm)
        
     
    
    
        
            Horsepower Rating:
        
        
            Approx. 28-30 hp @ 7000 rpm (varies slightly by region/emission standards)
        
     
    
        
            Torque Rating:
        
        
            Approx. 3.6-3.8 kg-m (26-27.5 ft-lb) @ 6000 rpm (varies)
        
     
    
    
        
            Fuel Type:
        
        
            Unleaded gasoline, minimum 91 octane (RON+MON)/2
        
     
    
        
            Fuel Tank Capacity:
        
        
            14 Liters (approx. 3.7 US gallons)
        
     
    
    
        
            Oil Type:
        
        
            Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher
        
     
    
        
            Oil Capacity W Filter Change:
        
        
            Approx. 1.9 Liters
        
     
    
    
        
            Coolant Type:
        
        
            Ethylene glycol based coolant, 50/50 mix with distilled water
        
     
    
    
        
            Spark Plug Model:
        
        
            NGK CR9E / DENSO U27ETR (or equivalent)
        
     
    
        
            Spark Plug Gap:
        
        
            0.7 - 0.8 mm
        
     
 
    
    
    
        
            Type:
        
        
            Automatic, V-Belt type Continuously Variable Transmission (CVT)
        
     
    
        
            Clutch Type:
        
        
            Automatic centrifugal clutch
        
     
    
        
            Drive System:
        
        
            V-belt automatic transmission, Chain drive final drive
        
     
    
    
        
            Cvvt Technology:
        
        
            CVT with torque converter for smooth acceleration and efficient cruising
        
     
 
    
    
    
        
            Overall Length:
        
        
            Approx. 2,235 mm (88.0 in)
        
     
    
        
            Overall Width:
        
        
            Approx. 775 mm (30.5 in)
        
     
    
        
            Overall Height:
        
        
            Approx. 1,435 mm (56.5 in) (with windscreen)
        
     
    
        
            Wheelbase:
        
        
            Approx. 1,540 mm (60.6 in)
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 183 kg (403 lbs)
        
     
    
        
            Wet Weight:
        
        
            Approx. 197 kg (434 lbs) (with all fluids and full tank)
        
     
    
        
            Maximum Load Capacity:
        
        
            Approx. 170 kg (rider + passenger + luggage)
        
     
 
    
    
    
        
            Crash Test Information:
        
        
            Not applicable to motorcycle/scooter safety ratings in the same way as automobiles; focus is on design safety and handling characteristics.
        
     
    
    
        
            Braking System:
        
        
            Linked-Action Combined Braking System (front and rear brakes work together)
        
     
    
        
            Front Brake:
        
        
            Dual 267 mm discs with hydraulic calipers
        
     
    
        
            Rear Brake:
        
        
            267 mm disc with hydraulic caliper
        
     
    
        
            Tire Specifications:
        
        
            Front: 120/80-14, Rear: 150/70-13 (typical specifications, verify with manual)
        
     
    
    
        
            Lighting:
        
        
            Halogen headlight, LED taillight/brake light
        
     
    
        
            Mirrors:
        
        
            Integrated rearview mirrors
        
     
 
    
    
    
        
            Instrumentation:
        
        
            Analog tachometer, digital speedometer, fuel gauge, coolant temperature gauge, odometer, trip meters, clock, indicator lights (check engine, oil, etc.)
        
     
    
    
        
            ABS:
        
        
            ABS was an optional feature on some models, manual will detail if applicable
        
     
    
    
        
            Diagnostic Port:
        
        
            OBD-II equivalent or proprietary Yamaha diagnostic connector for electronic troubleshooting
        
     
 
    
    
    
        
            Initial Service:
        
        
            Approx. 1,000 km (600 miles) or 6 months
        
     
    
        
            Regular Service:
        
        
            Every 5,000 km (3,000 miles) or 12 months (whichever comes first)
        
     
    
        
            Major Service Items:
        
        
            Spark plug replacement (every 10,000 km), Coolant replacement (every 2 years), Brake fluid replacement (every 2 years), CVT belt inspection/replacement (refer to manual, typically 20,000-30,000 km)
        
     
    
    
        
            Engine Oil:
        
        
            SAE 10W-40 API SG or higher (Yamalube 4 recommended)
        
     
    
        
            Coolant:
        
        
            50/50 mix of ethylene glycol coolant and distilled water
        
     
    
        
            Brake Fluid:
        
        
            DOT 3 or DOT 4 hydraulic brake fluid
        
     
    
        
            Final Drive Oil:
        
        
            Yamalube Gear Oil (or equivalent) SAE 80 API GL-4
        
     
    
        
            Final Drive Oil Capacity:
        
        
            Approx. 0.22 Liters
        
     
    
    
        
            Common Wear Items:
        
        
            CVT drive belt, brake pads, tires, suspension bushings
        
     
    
        
            Potential Electrical Issues:
        
        
            Regulator/rectifier failure (common in many Yamaha models of this era), stator output checks
        
     
    
        
            Fuel System Maintenance:
        
        
            Periodic injector cleaning or throttle body cleaning might be beneficial