Segment:
Yamaha's BR series represented a line of versatile motorcycles, often catering to a cruiser or custom aesthetic, popular for their reliability and customization potential.
Competitors:
Competed against similar displacement cruisers and custom motorcycles from brands like Honda (Shadow series), Kawasaki (Vulcan series), and Suzuki (Intruder series) during its production run.
Versatility:
The BR250 platform was known for its adaptability, serving as a platform for customization and personal expression.
Longevity:
The extended production run from 1982 to 2009 indicates a successful and enduring model that resonated with riders over several decades.
Value Proposition:
Provides factory-level repair and maintenance information, empowering owners and technicians to perform comprehensive servicing, thereby reducing reliance on costly dealership repairs and extending the motorcycle's lifespan.
Diy Empowerment:
Enables owners with basic mechanical aptitude to confidently perform a wide range of maintenance and repair tasks, fostering self-sufficiency and a deeper understanding of their vehicle.
Coverage Years:
1982, 1983, 1984, 1985, 1986, 1987, 1988, 1989, 1990, 1991, 1992, 1993, 1994, 1995, 1996, 1997, 1998, 1999, 2000, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009
Target Audience:
Professional Technicians, DIY Mechanics
Page Count:
Not specified in provided information, but comprehensive coverage is implied.
Manual Type:
Repair Service Manual
Delivery Method:
Instant Download
Engine:
Detailed engine disassembly, assembly, inspection, and repair procedures for all BR250 engine variants within the specified years. Includes troubleshooting of engine performance issues.
Transmission:
Comprehensive coverage of the transmission system, including inspection, maintenance, repair, and potential adjustments. Likely covers clutch, gearbox, and final drive mechanisms.
Fuel System:
Detailed information on fuel delivery, carburetor (if applicable) or fuel injection systems, fuel pump, fuel lines, and related components for optimal performance and troubleshooting.
Electrical System:
Extensive coverage of the motorcycle's electrical system, including wiring diagrams, charging system (stator, rectifier/regulator), ignition system, lighting, battery maintenance, starter system, and troubleshooting of electrical faults.
Brakes:
Information on brake system maintenance, including brake fluid replacement, caliper service, master cylinder repair, and potential drum brake servicing depending on model specifics.
Suspension:
Detailed procedures for fork overhaul, rear shock absorber service, and adjustment of suspension components to maintain optimal handling and ride comfort.
Frame And Bodywork:
Guidance on frame inspection, fairing removal/installation, seat service, and general body panel maintenance and repair.
Cooling System:
Information on radiator, coolant, hoses, and thermostat for liquid-cooled models, or air-cooling system details for air-cooled variants. Focus on maintenance and troubleshooting.
Exhaust System:
Details on exhaust pipe and muffler maintenance, gasket replacement, and inspection for leaks or damage.
Chassis:
Includes information on wheel bearing service, steering head bearing maintenance, and general chassis inspection for wear and damage.
Maintenance:
Regular service checks, oil changes, filter replacements, lubrication points, and scheduled maintenance tasks.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and uncommon problems across all major vehicle systems.
Disassembly And Assembly:
Step-by-step instructions for the removal, inspection, repair, and reinstallation of all vehicle components and sub-assemblies.
Cleaning:
Recommended cleaning procedures for various components, such as carburetors, engine parts, and electrical connectors.
Reinstallation:
Correct procedures for reassembling components, including torque specifications and alignment guidelines.
Wiring Diagrams:
Detailed electrical wiring diagrams are a critical component of this manual, aiding in the diagnosis and repair of electrical faults.
Depth:
Comprehensive, covering everything from routine maintenance to major overhauls and diagnostics, mirroring factory service manual content.
Torque Specifications:
Provides precise torque values for all critical fasteners, ensuring correct assembly and preventing component damage.
Engine Type:
Likely a V-twin or inline-twin configuration, common for the BR250 displacement and cruiser styling.
Displacement:
Approximately 250cc (exact specifications vary by specific year and sub-model).
Cooling Method:
Could be air-cooled or liquid-cooled, depending on the specific model year within the 1982-2009 range.
Bore X Stroke:
Specific bore and stroke dimensions will vary by engine variant and are detailed within the manual.
Horsepower:
Typically in the range of 15-25 HP, suitable for a 250cc cruiser.
Torque:
Torque figures would be optimized for low-end grunt characteristic of a cruiser.
Fuel Delivery:
Early models likely featured carburetors; later models may have transitioned to fuel injection.
Configuration:
Commonly SOHC (Single Overhead Cam) or DOHC (Double Overhead Cam) with 2 or 4 valves per cylinder.
Length:
Varies by year and specific sub-model, but generally within typical cruiser dimensions.
Width:
Varies by year and specific sub-model.
Height:
Varies by year and specific sub-model.
Dry Weight:
Typically in the 150-180 kg range, depending on model year.
Fuel Capacity:
Around 9-14 liters, common for this class.
Infotainment Systems:
As a motorcycle from this era, advanced infotainment systems are not expected. Primarily basic instrumentation like speedometer, tachometer (if equipped), odometer, and indicator lights.
Driver Assistance Features:
No electronic driver assistance features are typically found on motorcycles of this vintage.
Connectivity Options:
No onboard connectivity or Bluetooth features.
Oil Change:
Typically every 3,000-5,000 km or 6-12 months, depending on riding conditions and oil used. Specific interval detailed in manual.
Spark Plug Replacement:
Varies by plug type, generally around 10,000-20,000 km. Manual will specify exact type and interval.
Valve Adjustment:
Likely every 10,000-20,000 km. Manual provides precise intervals and procedures.
Engine Oil Type:
Yamalube (or equivalent) SAE 10W-40 or 20W-50 motorcycle-specific oil, meeting JASO MA standards. Specific viscosity recommended in manual.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid. Manual specifies exact type and replacement interval.
Coolant Type:
If liquid-cooled, a 50/50 mixture of permanent antifreeze and distilled water. Manual will specify exact type and capacity.
Gear Oil Type:
If a separate gearbox oil is used, the manual will specify the correct grade and type.
Carburetor Cleaning:
Carburetors on older models may require periodic cleaning due to fuel varnish buildup, especially if the motorcycle sits for extended periods.
Electrical Connections:
Corrosion or looseness in electrical connectors can lead to intermittent issues; manual details inspection and cleaning of these points.
Drive Chain Maintenance:
Regular lubrication and adjustment of the drive chain are crucial for longevity and smooth operation.
Yamaha Legacy:
Yamaha Motor Company is renowned for its diverse range of products, from motorcycles and musical instruments to marine engines and power products, with a strong emphasis on engineering and innovation.
Br250 Evolution:
The BR250 likely underwent several incremental updates and revisions throughout its long production span, including styling refinements, engine tuning adjustments, and technological enhancements (e.g., ignition systems, braking). Detailed year-to-year changes would be found in specialized historical resources.
Production Period:
1982-2009