Target Audience:
Yamaha Virago 250 / V Star 250 owners, independent repair shops, dealership technicians.
Value Proposition:
Provides dealership-level technical data for accurate and efficient maintenance and repair, saving time and money.
Comparison To Generic Manuals:
Significantly more detailed and accurate than aftermarket 'how-to' guides, mirroring official Yamaha documentation.
Dealership Quality:
Content identical to what Yamaha dealerships use for service operations.
Comprehensiveness:
Covers all aspects of the motorcycle from routine maintenance to complex engine overhauls.
Engine Mechanical:
Engine disassembly, assembly, inspection, overhaul, cylinder head, pistons, crankshaft, connecting rods, valve train.
Fuel System:
Carburetor tuning, cleaning, rebuilding; fuel pump operation; fuel tank and lines.
Ignition System:
Ignition timing, spark plugs, ignition coils, CDI unit, troubleshooting.
Lubrication System:
Oil pump, oil passages, oil filter replacement, oil change intervals.
Cooling System:
Air cooling system specifications and checks.
Transmission:
Clutch operation, clutch replacement, gear shifting mechanisms, transmission disassembly and assembly.
Electrical System:
Wiring diagrams, battery maintenance, charging system (alternator, rectifier/regulator), lighting system, starter motor, horn, fuses.
Chassis And Suspension:
Front fork disassembly, inspection, and servicing; rear shock absorber adjustment and replacement; swingarm maintenance.
Braking System:
Front and rear brake systems, brake fluid replacement, brake pad inspection and replacement, caliper service.
Wheel And Tires:
Tire inspection, pressure recommendations, wheel bearing maintenance.
Bodywork:
Fender removal/installation, seat maintenance, fuel tank removal/installation.
Troubleshooting:
Diagnostic flowcharts for common problems, symptom-based troubleshooting guides.
Preventive Maintenance:
Regular checks, lubrication points, filter replacements, fluid checks and changes.
Routine Service:
Oil changes, spark plug replacement, air filter cleaning/replacement, chain adjustment (if applicable).
Component Rebuild:
Detailed steps for carburetor, brake caliper, and potentially engine component rebuilds.
Diagnostic Procedures:
Methods for identifying and resolving operational issues.
Electrical Diagnostics:
Testing circuits, components, and troubleshooting electrical faults using wiring diagrams.
Depth Level:
Comprehensive (Suitable for professional technicians and advanced DIY mechanics)
Detail Level:
Includes exploded views, torque specifications, special tool requirements, and step-by-step instructions.
Digital Format:
Likely PDF (Searchable text, printable pages, bookmarks for navigation)
Diagram Clarity:
High-resolution illustrations and diagrams essential for complex procedures.
Physical Format If Applicable:
N/A (Assuming digital, but if printed, would be professional binding)
Physical Format If Applicable:
N/A (Assuming digital, but if printed, would be durable stock)
Engine Type:
4-stroke, Air-cooled, SOHC, V-twin
Displacement:
249 cc (249cc)
Bore X Stroke:
49.0 mm x 66.0 mm
Horsepower:
Approx. 16-18 HP @ 7,500 RPM (Varies slightly by market and tune)
Torque:
Approx. 18-20 Nm @ 6,000 RPM (Varies slightly by market and tune)
Carburetor:
Mikuni BSR26 (Single Downdraft Carburetor)
Fuel Delivery:
Carburetor
Fuel Tank Capacity:
Approx. 3.2 US gal (12 L)
Engine Oil Change:
Every 3,000 miles or 6 months (refer to manual for exact recommendation)
Air Filter Service:
Inspect every 3,000 miles, clean/replace as needed
Spark Plug Replacement:
Every 6,000 miles or annually
Brake Fluid Change:
Every 2 years
Engine Oil Type:
Yamalube 4 (or equivalent API SG, JASO MA) 10W-40
Engine Oil Capacity:
Approx. 1.7 L (1.8 US qt) with filter change
Brake Fluid Type:
DOT 3 or DOT 4
Carburetor Gumming:
Can occur if the motorcycle sits for extended periods without fuel stabilizer; requires cleaning.
Clutch Slippage:
Can occur with high mileage or improper clutch adjustment/abuse; requires inspection and adjustment/replacement.
Charging System Output:
Less common, but rectifier/regulator issues can affect battery charging; manual provides diagnostic steps.
Yamaha Legacy:
Yamaha Motor Company has a long history of producing reliable and innovative motorcycles across various segments.
Virago Lineage:
The Virago line, known for its V-twin engines and classic styling, has been a popular choice for entry-level and experienced riders.
V Star Branding:
The V Star 250 is essentially a rebadged Virago 250, continuing the legacy of this compact cruiser.
Manufacturing Country:
Japan (Typically)
Production Period:
The Virago 250 has been in production for many years, with the V Star 250 nameplate being a more recent iteration.
