Vehicle Segment:
Maxi-scooter, often positioned for urban commuting and light touring with a focus on comfort and practicality.
Competitors:
Competed with other 250cc maxi-scooters such as the Honda Reflex, Kymco Xciting 250, and Aprilia Scarabeo 200.
Design Philosophy:
Emphasized aerodynamic design, comfortable seating, and significant under-seat storage, distinguishing it from sportier scooters.
Engine Mechanical:
Detailed information on engine disassembly, assembly, inspection, and repair of all internal components (pistons, rings, cylinders, crankshaft, camshaft, valves, etc.).
Fuel System:
Coverage of fuel injection system (EFI components, sensors, injectors, fuel pump), fuel filter replacement, and fuel tank maintenance.
Ignition System:
Information on ignition timing, spark plugs, ignition coils, ECU control, and related sensors.
Cooling System:
Details on radiator, cooling fan, thermostat, water pump, coolant replacement, and troubleshooting of overheating issues.
Exhaust System:
Information on exhaust pipe, muffler, catalytic converter, and lambda sensor (oxygen sensor) inspection and replacement.
Transmission Drivetrain:
Comprehensive coverage of the Continuously Variable Transmission (CVT) system, including variator, clutch, drive belts, and final drive unit maintenance and repair.
Brakes:
Detailed procedures for brake pad inspection and replacement, caliper servicing, brake fluid bleeding, and master cylinder maintenance.
Suspension:
Information on front fork (telescopic) disassembly, seal replacement, oil levels, and rear shock absorber inspection and replacement.
Steering:
Guidance on steering column, handlebar, and steering head bearing inspection and maintenance.
Electrical System:
Extensive coverage of wiring diagrams, battery maintenance, charging system (stator, rectifier/regulator), starter motor, lighting system, and all electrical components and sensors.
Chassis Frame:
Procedures for frame inspection, body panel removal and installation, seat maintenance, and fairing repair.
Wheels Tires:
Information on wheel bearing inspection and replacement, tire pressure checks, and tire replacement procedures.
Preventive Maintenance:
Detailed schedules and procedures for routine checks, fluid changes, filter replacements, and component inspections.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and uncommon problems across all vehicle systems.
Repair Rebuild:
Step-by-step instructions for disassembling, repairing, and reassembling virtually all components and systems of the vehicle.
Wiring Diagrams:
Complete and detailed electrical wiring schematics for easy tracing and diagnosis of electrical issues.
Diagnostic Codes:
Likely includes methods for reading and interpreting diagnostic trouble codes (DTCs) if the vehicle is equipped with an OBD-II or similar system.
Service Data:
Provides precise specifications for torque values, clearances, fluid capacities, electrical specifications, and performance parameters.
Engine Type:
4-stroke, Liquid-cooled, SOHC, 4-valve
Bore X Stroke:
69.0 mm x 65.3 mm (typical for this class)
Compression Ratio:
10.0:1 (typical)
Horsepower Output:
Approximately 21-22 hp at 7500 rpm (estimated based on similar Yamaha engines).
Torque Output:
Approximately 20 Nm at 6000 rpm (estimated).
Fuel Delivery:
Electronic Fuel Injection (EFI)
Fuel Type:
Unleaded gasoline
Ignition System:
TCI (Transistor Controlled Ignition)
Overall Length:
Approximately 2,170 mm (85.4 in)
Overall Width:
Approximately 795 mm (31.3 in)
Overall Height:
Approximately 1,415 mm (55.7 in)
Wheelbase:
Approximately 1,555 mm (61.2 in)
Dry Weight:
Approximately 188 kg (414.5 lbs)
Wet Weight:
Approximately 203 kg (447.5 lbs) (estimated)
Underseat Storage:
Significant capacity, typically accommodating a full-face helmet and more.
Oil Change Interval:
Recommended every 4,000 - 6,000 km (2,500 - 3,700 miles) or 6 months, whichever comes first.
Air Filter Replacement:
Check every 4,000 km (2,500 miles), replace as needed.
Drive Belt Inspection:
Inspect every 10,000 - 12,000 km (6,000 - 7,500 miles), replace as needed.
Engine Oil Type:
Yamaha Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher.
Engine Oil Capacity:
1.8 L (1.9 US qt) without oil filter change; 2.0 L (2.1 US qt) with oil filter change.
Coolant Type:
Ethylene glycol-based coolant with antifreeze properties, mixed with distilled water (50:50 ratio).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Transmission Fluid:
Yamaha recommends specific gear oil for the final drive; consult manual for exact specification and capacity.
Common Wear Items:
Drive belt wear, variator roller wear, front fork seal leaks, and battery health are common maintenance items for scooters of this age and type.
Potential Electrical:
As with many vehicles of this era, occasional issues with the charging system (rectifier/regulator) or wiring harness integrity can occur.
Manufacturer:
Yamaha Motor Company, a renowned Japanese manufacturer of motorcycles, marine products, and powersports vehicles.
Introduction Year:
Introduced in 2006 as Yamaha's entry into the larger displacement maxi-scooter market.
Design Influence:
Showcased Yamaha's focus on innovative design and rider comfort, featuring a distinct aerodynamic front end and spacious rider ergonomics.
Manufacturing Location:
Likely manufactured in Japan or other Yamaha facilities.
