Positioning:
A fundamental resource for owners and mechanics of the iconic Yamaha SR500, emphasizing its classic design and single-cylinder simplicity.
Value Proposition:
Offers comprehensive, in-depth technical information at an affordable price, enabling cost-effective maintenance and repair.
Features:
Detailed illustrations, step-by-step instructions, troubleshooting guides, and electrical schematics.
Engine Mechanical:
Full coverage including disassembly, inspection, repair, and reassembly of all engine components.
Engine Electrical:
Detailed diagnostics, troubleshooting, and repair of ignition, charging, and starting systems.
Fuel System:
Carburetor service, fuel pump diagnostics, and fuel line maintenance.
Emission Control:
Information pertaining to emission control systems as applicable to the model years.
Clutch System:
Service and adjustment of the clutch mechanism.
Transmission:
Disassembly, inspection, and repair of the manual transaxle.
Driveshaft Axle:
Service and inspection of the final drive mechanism.
Suspension:
Front fork and rear shock absorber service, adjustment, and overhaul.
Steering System:
Handlebar and steering head bearing maintenance.
Brake System:
Front and rear brake caliper service, hydraulic system maintenance, and bleeding procedures.
Body Exterior:
Body panel removal, installation, and cosmetic repairs.
Body Interior:
Seat removal and related interior components.
Body Electrical:
Wiring diagrams, lighting systems, switchgear, and accessory electrical components.
Restraint System:
Information relevant to rider safety and any applicable restraint systems.
Maintenance:
Regular scheduled maintenance, oil changes, filter replacements, chain adjustments, and general tune-ups.
Troubleshooting:
Systematic diagnostic procedures for identifying and resolving common and uncommon issues.
Repair:
Step-by-step instructions for component removal, repair, and installation across all vehicle systems.
Rebuilds:
Comprehensive procedures for complete engine, transmission, and suspension overhauls.
Wiring Diagrams:
Detailed electrical schematics for accurate diagnosis and repair of electrical faults.
Depth:
Complete, from basic maintenance and adjustments to full engine rebuilds and complex electrical troubleshooting.
Target Audience:
Suitable for both the experienced professional mechanic and the enthusiastic do-it-yourself owner.
Engine Type:
4-stroke, SOHC, Air-cooled Single Cylinder
Displacement:
499 cc (499cc)
Bore X Stroke:
90.0 mm x 78.0 mm (3.54 in x 3.07 in) - specific to SR500
Horsepower Approximate:
Approximately 32-34 hp @ 6500 rpm (Varies slightly by year and market)
Torque Approximate:
Approximately 39-40 Nm @ 5000 rpm (Varies slightly by year and market)
Carburetor:
Typically a Mikuni VM34-131 or similar single, constant-velocity carburetor.
Fuel Type:
Unleaded gasoline (minimum octane rating as per manual)
Ignition Type:
CDI (Capacitor Discharge Ignition)
Oil Type:
Yamaha recommends API SE or SF, SAE 20W-40 or 10W-30 motorcycle specific oil. Consult manual for exact specifications.
Oil Capacity:
Approximately 2.0 liters (2.1 US qt) with filter change. Consult manual for exact capacity.
Transmission Type:
5-speed constant mesh, sequential transmission
Clutch Type:
Wet, multi-disc, cable-operated
Transmission Oil:
Yamalube Gear Oil or equivalent API GL-4, SAE 80W motorcycle transmission oil. Consult manual for exact specification.
Length:
Approx. 2,170 mm (85.4 in) (Varies slightly by year)
Width:
Approx. 800 mm (31.5 in) (Varies slightly by year)
Height:
Approx. 1,160 mm (45.7 in) (Varies slightly by year)
Dry Weight:
Approx. 173 kg (381 lbs)
Wet Weight:
Approx. 187 kg (412 lbs) (with all fluids)
Safety Features:
Focus on rider control, braking performance, and the inherent stability of its design.
Braking System:
Front: Single Disc Brake, Rear: Drum Brake (early models) or Disc Brake (later models). Specific caliper and master cylinder details are in the manual.
Lighting:
Halogen headlamp, tail/brake light, and turn signals.
Oil Change Interval:
Recommended every 3,000 km (1,800 miles) or 6 months. Consult manual for precise interval and oil quality requirements.
Spark Plug Maintenance:
Check and gap every 3,000 km (1,800 miles). Replace as needed. Consult manual for specific plug type and gap.
Air Filter Maintenance:
Inspect and clean every 3,000 km (1,800 miles), replace as needed.
Chain Maintenance:
Lubricate and adjust chain tension every 1,000 km (600 miles).
Brake Fluid:
DOT 3 or DOT 4, high-temperature glycol-based brake fluid. Consult manual for exact type and replacement interval.
Fork Oil:
Yamalube Fork Oil G10 or equivalent. Capacity and level are critical for proper front suspension performance. Consult manual for specific quantities.
Common Problems:
Kick-start reliability (due to mechanism design), carburetor tuning, and occasional electrical gremlins common in vintage motorcycles. The manual provides solutions for these.
Yamaha Legacy:
Yamaha Motor Company, established in 1955, has a rich history in motorcycle manufacturing, renowned for performance, innovation, and reliability.
Sr500 Lineage:
The SR500 was introduced as a road-going version of Yamaha's successful off-road competition bikes, emphasizing a simple, robust, and torquey single-cylinder engine and traditional styling.
Manufacturing Period:
1978-1983 (international markets), with various iterations and improvements during its production run.
Production Location:
Primarily Japan
Model Recognition:
The SR500 is highly regarded for its enduring simplicity, reliable engine, and classic styling, making it a popular choice for custom builds and classic motorcycle enthusiasts.
Manual Certification:
Represents factory-authorized repair and service information, providing authoritative guidance.