Coverage Scope:
Comprehensive repair and service for the Yamaha BR250 2008 model.
Estimated Page Count:
Not specified in provided information, but implied to be comprehensive, akin to a factory service manual.
Manual Type:
Repair Service Manual / Workshop Manual
Engine Overhaul:
Detailed procedures for engine disassembly, inspection, repair, and reassembly.
Fuel System:
Carburetor tuning, fuel pump, fuel lines, and fuel tank servicing.
Ignition System:
Spark plugs, ignition coil, CDI unit, and timing checks.
Cooling System:
Radiator, hoses, thermostat, and coolant specifications.
Transmission And Drivetrain:
Clutch operation, gearbox maintenance, final drive lubrication, and shaft drive inspection.
Suspension:
Front fork disassembly, seal replacement, oil levels, rear shock absorber adjustment and service.
Braking System:
Brake caliper overhaul, master cylinder service, brake fluid specifications, pad replacement, and bleeding procedures.
Electrical System:
Wiring diagrams, battery maintenance, charging system (stator, rectifier/regulator), lighting, and starter motor.
Chassis And Frame:
Frame inspection, steering head bearing service, and general chassis components.
Bodywork And Trim:
Fairing removal and installation, seat maintenance, and decorative component servicing.
Routine Maintenance:
Oil changes, filter replacements, chain adjustments, and general inspection points.
Troubleshooting Guide:
Diagnostic steps for common problems and fault finding.
Disassembly And Assembly:
Step-by-step instructions for taking apart and putting back together various vehicle components.
Cleaning And Lubrication:
Proper methods for cleaning parts and recommended lubrication points.
Torque Specifications:
Critical torque values for fasteners throughout the vehicle.
Depth Of Coverage:
Targets professional technicians but provides adequate data for DIY mechanics with basic mechanical and electrical knowledge. Covers fundamentals to advanced repair procedures.
Engine Type:
Internal Combustion, likely a 4-stroke gasoline engine based on typical Yamaha BR series designations.
Engine Displacement:
250cc (as indicated by model number BR250)
Horsepower Output:
Specific figures not provided but would be detailed within the manual.
Torque Output:
Specific figures not provided but would be detailed within the manual.
Fuel Delivery:
Likely carburetor-fed, common for this displacement and era of motorcycle/scooter.
Cooling Method:
Air-cooled or liquid-cooled, specific details would be in the manual.
Instrumentation:
Analog or digital instrument cluster with speedometer, odometer, fuel gauge, and indicator lights. Specifics would be in the manual.
ABS:
Anti-lock Braking System (ABS) is unlikely for this model/year based on typical offerings, but would be explicitly stated in the manual if present.
Oil Change Interval:
Refer to manual for specific mileage or time-based intervals. Typically between 3,000-6,000 km or 6-12 months.
Engine Oil Type:
Yamalube or equivalent SAE 10W-40 API SG or higher, JASO MA certified is highly probable. Exact specification in manual.
Brake Fluid Type:
DOT 3 or DOT 4, depending on system design. Specific type and replacement interval in manual.
Coolant Type:
If liquid-cooled, Yamaha's recommended coolant or equivalent, typically a 50/50 mix of ethylene glycol and distilled water. Specification in manual.
Gear Oil Type:
If applicable (e.g., final drive), specific viscosity and type detailed in manual.
Common Wear Items:
Tires, brake pads, drive belts (if CVT), spark plugs, and filters are typical wear items that require periodic inspection and replacement, all detailed in the manual.
