Vehicle Type:
Sport/Dual-Purpose Motorcycle
Target Audience:
Enthusiasts and mechanics seeking detailed repair and maintenance information for the Yamaha BR250.
Value Proposition:
Offers complete coverage essential for maintaining the longevity and performance of the 1995 Yamaha BR250.
Manual Scope:
Facilitates DIY repairs, proactive maintenance, and in-depth understanding of the motorcycle's systems.
Engine:
Full Engine Overhaul, Maintenance, Diagnostics
Transmission:
Clutch, Gearbox, Drive Chain
Electrical System:
Ignition, Lighting, Charging System, Wiring Diagrams
Chassis:
Frame, Suspension (Front & Rear), Steering, Brakes
Bodywork:
Panels, Seats, Fenders, Graphics
Troubleshooting:
Diagnostic Charts, Common Problems, Solutions
Type:
Comprehensive Service & Repair Manual
Engine Mechanical:
Cylinder Head, Piston, Crankshaft, Timing Components, Valve Train
Fuel System:
Carburetor Tuning & Rebuild, Fuel Tank, Fuel Lines
Cooling System:
Radiator, Hoses, Thermostat
Ignition System:
Spark Plugs, Coil, CDI Unit, Timing Adjustment
Exhaust System:
Muffler, Exhaust Pipe, Heat Shields
Drivetrain:
Clutch Operation, Gearbox Internal Components, Drive Sprocket Replacement
Braking System:
Brake Lever, Calipers, Pads, Lines, Master Cylinder
Suspension System:
Front Fork Overhaul, Rear Shock Absorber, Swingarm Bearings
Steering System:
Handlebars, Triple Clamps, Steering Stem Bearings
Wheels And Tires:
Wheel Bearing Replacement, Spoke Truing, Tire Mounting
Lighting And Signals:
Headlight, Taillight, Turn Signals, Indicator Lights
Instrumentation:
Speedometer, Tachometer, Indicator Lights Functionality
Maintenance:
Oil Changes, Filter Replacements, Chain Lubrication & Adjustment, Spark Plug Service, Valve Clearance Checks
Repair:
Engine Rebuild, Carburetor Rebuild, Fork Seal Replacement, Brake Pad Replacement, Clutch Adjustment & Replacement
Diagnostics:
Troubleshooting Engine Performance Issues, Electrical System Fault Finding, Carburetion Problems
Rebuilding:
Complete Top-End Rebuild, Transmission Rebuild, Carburetor Overhaul
Adjustments:
Carburetor Jetting, Ignition Timing, Clutch Engagement, Brake Lever Free Play
Specifications:
Torque Values, Clearances, Fluid Capacities, Component Measurements
Depth:
Comprehensive, from basic maintenance to complete engine and transmission rebuilds, including detailed troubleshooting and diagnostic procedures.
Engine Type:
Air-Cooled, 4-Stroke, SOHC, 2-Valve
Bore X Stroke:
70.0 mm x 64.0 mm
Compression Ratio:
9.3:1 (Typical)
Horsepower Estimate:
Approx. 23-25 HP (at crankshaft, model dependent)
Torque Estimate:
Approx. 20-22 Nm (at crankshaft, model dependent)
Carburetor Type:
Single Mikuni VM Series (e.g., VM28SS or similar)
Fuel Capacity:
Approx. 10 Liters (2.6 US gallons)
Fuel Type:
Unleaded Gasoline, Octane Rating 87 or higher
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher)
Oil Capacity:
Approx. 1.5 - 1.8 Liters (with filter change)
Crash Test Data:
N/A for motorcycles of this era.
Braking:
Front: Hydraulic Disc, Rear: Drum Brake
Lighting:
Headlight, Taillight, Brake Light, Turn Signals
Frame Construction:
Steel Tube Frame for rigidity and impact absorption.
Ergonomics:
Designed for off-road control and rider comfort during varied riding conditions.
Engine Oil Change:
Every 3,000 km (1,860 miles) or 6 months.
Oil Filter Replacement:
Every 6,000 km (3,720 miles) or 12 months.
Spark Plug Inspection Replacement:
Inspect every 3,000 km (1,860 miles), Replace as needed (e.g., NGK CR8E or equivalent).
Valve Clearance Check:
Every 6,000 km (3,720 miles).
Air Filter Cleaning Replacement:
Clean every 3,000 km (1,860 miles), Replace as needed based on condition.
Chain Lubrication Adjustment:
Lubricate every 500 km (310 miles), Adjust free play as needed (refer to manual for specific value).
Engine Oil:
Yamalube 4 (SAE 10W-40, API SG or higher)
Transmission Oil:
Yamalube SAE 80W API GL-4
Brake Fluid:
DOT 3 or DOT 4
Carburetor Gumming:
Common with older carbureted bikes if fuel is left to sit, requiring cleaning/rebuild.
Suspension Leaks:
Front fork seals can wear over time, leading to leaks; replacement is detailed in the manual.
Electrical Connector Corrosion:
Can occur in humid environments; manual guides on inspection and cleaning.
Manufacturer:
Yamaha Motor Corporation, known for high-performance motorcycles and musical instruments.
Lineage:
The BR250 was part of Yamaha's lineup of reliable dual-purpose motorcycles, blending on-road usability with off-road capability.
Year Introduction:
The BR250 model line saw several iterations, with the 1995 model representing a refinement of the platform.
Manufacturing Location:
Japan (Primary)
Market Availability:
Global market availability, particularly strong in North America and Europe.