Positioning:
Targeted at owners and independent mechanics of the Yamaha Virago 250 Route 66 (1988-1990) seeking comprehensive service and repair information. Positions itself as a cost-saving alternative to dealership service.
Competition:
Competes with official Yamaha service manuals and other third-party repair guides. The digital format and multi-device compatibility are key selling points.
Features:
Enables DIY repairs, saves money on labor costs, accessible on modern devices, detailed step-by-step instructions, comprehensive coverage of all major systems.
Coverage:
All systems, maintenance, repair, troubleshooting, specifications for Yamaha Virago 250 Route 66 models 1988-1990.
Page Count:
Professional Quality Digital Download (Specific page count not provided, implies comprehensive coverage).
Type:
Shop Manual / Service & Repair Manual
Format:
Digital Download (PC, MAC, Tablets, Smartphones)
Engine:
Engine assembly, disassembly, inspection, tuning, lubrication, cooling system, fuel system (carburetor, fuel lines), exhaust system.
Transmission:
Gearbox operation, clutch, shift mechanism, lubrication, troubleshooting, repair.
Electrical:
Ignition system, lighting, starting system, charging system (stator, rectifier/regulator), battery, wiring diagrams, troubleshooting electrical faults.
Chassis:
Frame, front fork, rear suspension (shock absorbers, swingarm), steering system, wheels, tires, brakes (front and rear), braking system components.
Bodywork:
Body panels, fenders, fuel tank, seat, controls, cables, fasteners.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, spark plug replacement, brake fluid replacement, general inspection.
Repair:
Complete engine overhaul, transmission rebuild, carburetor tuning and repair, electrical component replacement, suspension servicing, brake system repair.
Troubleshooting:
Diagnostic procedures for common problems, fault finding guides, symptom-based troubleshooting.
Specifications:
Torque values, clearances, fluid capacities, electrical resistance values, performance data.
Depth:
In-depth, professional quality, suitable for DIY mechanics and professional technicians. Covers detailed disassembly, inspection, measurement, assembly, and adjustment procedures.
File Format:
Digital Download (Likely PDF or similar, optimized for various devices)
Print Quality:
Digital quality optimized for screen viewing and printing. 'Professional Quality' implies clear diagrams and text.
Binding Type:
Not Applicable (Digital Download)
Paper Type:
Not Applicable (Digital Download)
Engine Type:
4-stroke, V-twin, SOHC, 2-valve per cylinder
Displacement:
249 cc (249 cubic centimeters)
Bore X Stroke:
49.0 mm x 66.0 mm
Cooling System:
Air-cooled
Horsepower Approx:
Approx. 21 HP @ 7500 RPM (Actual figures may vary slightly by year/region)
Torque Approx:
Approx. 19.4 Nm (14.3 lb-ft) @ 6000 RPM (Actual figures may vary slightly by year/region)
Carburetor Type:
Mikuni VM Series (e.g., VM26) or similar, often single downdraft
Fuel Type:
Unleaded gasoline
Fuel Tank Capacity:
Approx. 12 Liters (3.2 US gal)
Oil Type Recommendation:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher motorcycle oil)
Oil Capacity:
Approx. 1.4 Liters (1.5 US qt) with filter change
Spark Plug Type:
NGK DPR7EA-9 or equivalent
Spark Plug Gap:
0.7 - 0.8 mm (0.028 - 0.031 in)
Overall Length:
Approx. 2150 mm (84.6 in)
Overall Width:
Approx. 770 mm (30.3 in)
Overall Height:
Approx. 1150 mm (45.3 in)
Wheelbase:
Approx. 1490 mm (58.7 in)
Dry Weight:
Approx. 138 kg (304 lbs)
Wet Weight:
Approx. 151 kg (333 lbs) (with all fluids)
Max Load Capacity:
Not specified, but typically around 180-200 kg total rider and cargo.
Wheel Bolt Pattern:
Not Applicable (Motorcycle specific hub design)
Front Tire Size:
3.00-18 4PR
Rear Tire Size:
130/90-15M/C 66P
Safety Ratings:
Motorcycle safety is typically assessed by independent rider testing and component standards, not formal crash test ratings like automobiles.
Braking System:
Front: Disc brake; Rear: Drum brake
Suspension:
Front: Telescopic fork; Rear: Swingarm with dual shock absorbers
Lighting:
Halogen headlight, taillight, brake lights, turn signals.
Engine Oil Change:
Every 3,000 - 5,000 km (1,800 - 3,000 miles) or 6-12 months, whichever comes first.
Oil Filter Replacement:
Concurrent with oil changes.
Spark Plug Inspection Replacement:
Inspect every 5,000 km (3,000 miles); Replace as needed or every 10,000 - 15,000 km (6,000 - 9,000 miles).
Chain Lubrication Adjustment:
Lubricate every 500-1000 km (300-600 miles); Adjust slack every 1,000-2,000 km (600-1,200 miles).
Brake Fluid Replacement:
Every 2 years or as recommended by manual.
Valve Clearance Adjustment:
Inspect/adjust every 10,000 - 15,000 km (6,000 - 9,000 miles).
Engine Oil Specification:
SAE 10W-40 API SG or higher motorcycle specific oil (e.g., Yamalube 4).
Brake Fluid Specification:
DOT 3 or DOT 4 hydraulic brake fluid.
Fork Oil Specification:
Yamaha Fork Oil 10W or equivalent.
Fork Oil Capacity:
Approx. 344 ml (11.6 US oz) per fork leg.
Carburetor:
Pilot jet clogging leading to starting/idle issues, diaphragm wear in some Mikuni models.
Electrical:
Rectifier/regulator failure, stator winding degradation, aging wiring harness connectors.
Fuel System:
Petcock diaphragm failure, fuel line degradation over time.
Drive Chain:
Normal wear and tear, requiring regular adjustment and lubrication.
Clutch:
Clutch cable adjustment and eventual wear, clutch plate wear with high mileage.
Brand Heritage:
Yamaha Motor Corporation, established in 1955, has a rich history in motorcycle manufacturing, known for its innovation and performance across various motorcycle segments.
Virago Lineage:
The Virago line represented Yamaha's cruiser motorcycle offerings, characterized by V-twin engines and classic styling. The Virago 250 was a popular entry-level cruiser.
Route 66 Variant:
The 'Route 66' designation often implied specific cosmetic treatments or branding, evoking the spirit of American motorcycle culture. It was primarily a styling package for the Virago 250.
Production Years:
The Virago 250 was produced for an extended period, with the 1988-1990 period covered by this manual being part of its initial introduction and early production runs.
Manufacturing Location:
Primarily manufactured in Japan.
