Vehicle Segment:
Maxi-scooter
Target Audience:
Commuters, touring riders, and those seeking a comfortable and practical two-wheeled vehicle.
Competitors 2004:
Suzuki Burgman 400, Honda Silver Wing (FSC600), Kymco Xciting 500.
Comfort Features:
Spacious seating, ample legroom, large windscreen for weather protection.
Storage Features:
Under-seat storage, typically accommodating two helmets.
Performance Orientation:
Emphasis on smooth power delivery and stable handling for long-distance riding.
Diagnostic Procedures:
Comprehensive troubleshooting and diagnostic procedures for all major systems.
Maintenance Routines:
Detailed step-by-step maintenance schedules and procedures.
Repair Procedures:
In-depth repair instructions for all mechanical and electrical components.
Technical Specifications:
Extensive technical specifications for all vehicle systems.
Estimated Pages:
Approximately 400-600 pages (typical for comprehensive service manuals of this era).
Type:
Factory Service Manual / Workshop Manual
Format:
Printable Digital Download (PDF)
Engine:
Complete engine disassembly, assembly, tuning, and troubleshooting.
Fuel System:
Fuel injection system, fuel pump, injectors, and fuel tank service.
Cooling System:
Radiator, coolant, water pump, and cooling fan maintenance.
Exhaust System:
Exhaust pipe, muffler, and catalytic converter service.
Transmission:
Automatic CVT transmission inspection, maintenance, and repair.
Suspension:
Front telescopic forks, rear shock absorber, and linkage system service.
Brakes:
Front and rear disc brake systems, hydraulic lines, and fluid replacement.
Electrical System:
Battery, charging system, ignition system, lighting, and starter motor.
Electronics:
ECU diagnostics, sensor testing, and wiring diagrams.
Frame And Bodywork:
Chassis, fairings, seat, and other body component removal and installation.
Basic Maintenance:
Oil changes, filter replacements, spark plug checks, chain adjustment (if applicable), tire pressure, brake pad checks.
Troubleshooting:
Diagnostic flowcharts, common symptom analysis, and fault code interpretation.
Component Overhaul:
Detailed instructions for rebuilding engine, transmission, and suspension components.
Wiring Diagrams:
Complete electrical system wiring schematics for accurate diagnosis.
Special Tools:
Identification of specialized tools required for specific procedures.
Depth:
Comprehensive; covers everything from routine maintenance to full engine rebuilds and advanced diagnostics, suitable for novice to experienced mechanics.
Searchability:
Text-searchable for quick information retrieval.
Resolution:
High-resolution scans suitable for clear printing.
Binding Recommendation:
Printable, allowing users to bind into a durable workshop manual.
Recommended Paper:
Print on durable, wipe-clean paper for workshop use.
Engine Type:
Four-stroke, liquid-cooled, SOHC, 4-valve
Displacement:
395 cc (cubic centimeters)
Bore X Stroke:
83.0 mm x 73.0 mm
Compression Ratio:
11.0:1
Maximum Power Output:
Approximately 28.5 HP (21.3 kW) @ 6,000 RPM (typical for this engine).
Maximum Torque:
Approximately 36.0 Nm (26.6 lb-ft) @ 5,500 RPM (typical for this engine).
Top Speed:
Governed by gearing and engine output, typically around 90-100 mph (145-160 km/h).
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approximately 14.0 liters (3.7 US gal)
Length:
Approximately 2,245 mm (88.4 in)
Width:
Approximately 770 mm (30.3 in)
Height:
Approximately 1,430 mm (56.3 in)
Wheelbase:
Approximately 1,545 mm (60.8 in)
Dry Weight:
Approximately 198 kg (437 lbs)
Wet Weight:
Approximately 215 kg (474 lbs) - including all fluids and a full tank of fuel.
Lighting:
Dual headlights, taillight, brake lights, turn signals.
Braking System:
Dual front disc brakes, rear disc brake.
Tires:
Tubeless radial tires for improved stability and puncture resistance.
Dashboard Features:
Analog speedometer and tachometer, digital odometer, fuel gauge, clock, and various indicator lights.
Braking Assistance:
Linked braking system (front and rear brakes are partially integrated) for enhanced safety.
Charging Port:
12V DC power outlet for charging accessories.
Engine Oil Change:
Every 5,000 km (3,000 miles) or 6 months, whichever comes first.
Air Filter Cleaning:
Every 5,000 km (3,000 miles).
Spark Plug Replacement:
Every 10,000 km (6,000 miles).
Transmission Fluid Change:
Every 10,000 km (6,000 miles).
Engine Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher)
Engine Oil Capacity:
Approximately 2.3 liters (2.4 US qt) with filter change.
Coolant Type:
Permanent type anti-freeze coolant (50% solution with distilled water).
Common Wear Items:
Drive belt, brake pads, suspension bushings, wheel bearings.
Potential Electrical Issues:
Occasional rectifier or stator issues can occur on higher mileage units.
Yamaha Motorcycles:
Yamaha Motor Company is a Japanese manufacturer renowned for its high-performance motorcycles, engines, and audio equipment.
Majesty Lineage:
The Majesty line has a history of producing comfortable and practical maxi-scooters, with the YP400 representing a significant iteration.
Manufacturing Location:
Primarily manufactured in Japan.
