Category:
Compact, lightweight scooter for urban commuting and recreational use.
Competitors:
Honda Metropolitan, Suzuki Address, Kymco Agility.
Design Philosophy:
Robust construction, user-friendly operation, and reliable performance in a compact package.
Appeal:
Popular among younger riders and those seeking an economical and agile mode of transport.
Engine:
Complete engine disassembly, inspection, assembly, tuning, and troubleshooting.
Fuel System:
Carburetor system, fuel lines, fuel tank, and related components.
Ignition System:
CDI ignition, spark plug, ignition coil, and related wiring.
Cooling System:
Air cooling system and related components.
Transmission And Drivetrain:
Automatic transmission (CVT), drive belt, clutch, and final drive.
Brakes:
Front and rear brake systems, including hydraulic lines, calipers, brake pads, and master cylinders.
Suspension:
Front fork assembly, rear shock absorber, and related linkages.
Steering:
Handlebar assembly, steering stem, and bearings.
Electrical System:
Wiring diagrams, lighting system, battery, starter motor, charging system, and switches.
Bodywork And Frame:
Body panels, seat, frame inspection, and minor body repairs.
Wheels And Tires:
Tire specifications, wheel bearing maintenance, and tire pressure recommendations.
Maintenance:
Routine maintenance, lubrication, filter changes, valve adjustments (if applicable), and general inspection.
Troubleshooting:
Diagnostic procedures for common problems, fault codes (if any), and step-by-step troubleshooting guides.
Repair:
Detailed step-by-step repair instructions for all major and minor components.
Disassembly And Assembly:
Comprehensive instructions for taking apart and reassembling all vehicle systems.
Technical Specifications:
Torque specifications, clearances, fluid capacities, and electrical specifications.
Wiring Diagrams:
Detailed electrical system wiring schematics for easy fault finding.
Special Tools:
Identification of necessary special tools for specific repair procedures.
Depth:
Comprehensive, covering everything from basic maintenance to full engine rebuilds and complex electrical diagnostics.
Engine Type:
4-stroke, air-cooled, SOHC
Bore X Stroke:
39.0 mm x 41.4 mm
Horsepower:
Approximately 3.9 hp @ 7000 rpm (specific dyno results may vary)
Torque:
Approximately 4.0 Nm @ 6000 rpm (specific dyno results may vary)
Fuel Delivery:
Carburetor (Teikei Y24P)
Fuel Type:
Unleaded gasoline
Oil Type:
Yamalube 4-stroke motorcycle oil (API SG, SAE 10W-30 or 20W-40)
Oil Capacity:
0.80 L (0.85 US qt)
Ignition System:
CDI (Capacitor Discharge Ignition)
Spark Plug:
NGK CR7HSA or DENSO U20FER9
Cooling Method:
Forced air cooling
Oil Change Interval:
Every 3,000 km (1,860 miles) or 6 months, whichever comes first (refer to manual for exact)
Air Filter Cleaning Interval:
Every 1,000 km (620 miles) or as needed based on conditions.
Drive Belt Inspection Interval:
Inspect every 3,000 km (1,860 miles), replace as needed based on wear.
Spark Plug Replacement Interval:
Every 5,000 km (3,100 miles) or annually.
Engine Oil Specification:
Yamalube 4-stroke motorcycle oil API SG, SAE 10W-30 or 20W-40.
Brake Fluid Specification:
DOT 3 or DOT 4 hydraulic brake fluid.
Gear Oil Specification:
Yamalube Hypoid Gear Oil SAE 80 API GL-4.
Common Wear Items:
Drive belt, brake shoes/pads, tires, and suspension bushings.
Carburetor Performance:
Can be sensitive to altitude and fuel quality; requires periodic cleaning and adjustment.
Electrical Connections:
Ensure all electrical connectors are clean and secure to prevent intermittent issues.