Model Segment:
Lightweight sportbike, naked sportbike.
Target Audience:
Enthusiasts seeking a sporty, manageable motorcycle for urban riding and spirited jaunts.
Key Competitors:
Kawasaki ER-5, Suzuki Bandit 400/600, Honda CB500.
Engine Platform:
Utilized Yamaha's well-regarded 660cc single-cylinder engine, known for its torque and reliability.
Handling:
Designed for agile and engaging handling, making it suitable for everyday use and sporty riding.
Value Proposition:
Offered a blend of performance, reliability, and accessible styling, appealing to riders looking for a practical yet exciting motorcycle.
Primary Market:
Global (based on manual availability for multiple regions)
Regional Variations:
Likely covers specifications relevant to major markets where the SZR660 was sold.
Estimated Page Count:
Hundreds (as stated in description, typical service manuals are 500-1000+ pages)
Type:
Factory Service Repair Workshop Manual
Primary Language:
English (implied by product description and common manual distribution)
Digital Format:
PDF (for download to computer, tablet, smartphone)
Powertrain:
Engine, transmission, clutch, cooling system, exhaust system, fuel system.
Chassis:
Frame, suspension (front forks, rear shock), steering, brakes (front and rear), wheels, tires.
Electrical:
Ignition system, lighting, battery, charging system, starter motor, wiring diagrams, sensors, ECUs.
Bodywork:
Fairings, seat, body panels, plastics, mounting hardware, fluid tank components.
Maintenance:
Routine servicing, oil changes, filter replacements, chain adjustment, brake fluid changes, coolant checks/changes, spark plug replacement.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault finding charts, electrical system troubleshooting.
Repair:
Step-by-step instructions for component disassembly, repair, reassembly, and adjustment.
Special Tools:
Identification and usage instructions for specialized tools required for specific procedures.
Depth:
Comprehensive (covers all repairs, servicing, and troubleshooting from basic to advanced).
Detail Level:
High (detailed photos & diagrams, step-by-step instructions, exploded diagrams).
Compatibility:
Windows & MAC OS
Searchability:
Likely searchable PDF text (standard for professional manuals)
Printability:
Printable (single page or entire manual)
Digital Access:
Lifetime access, no expiry dates or renewal fees
Physical Medium:
Not applicable (digital download)
Engine Type:
Liquid-cooled, four-stroke, SOHC, 5-valve, single-cylinder.
Displacement:
660 cc (approximate)
Bore X Stroke:
Typically around 100 mm x 84 mm (specific figures in manual).
Compression Ratio:
Likely around 9.7:1 to 10.0:1 (refer to manual for exact spec).
Horsepower:
Approx. 48-50 HP at the crank (specific figures in manual).
Torque:
Approx. 5.8-6.0 kg-m (56-58 Nm) at the crank (specific figures in manual).
Carburetion:
CV-type Carburetor (likely Mikuni BST series, e.g., BST36).
Fuel Delivery:
Non-injection (carbureted model).
Ignition System:
CDI (Capacitor Discharge Ignition).
Cooling Method:
Liquid-cooled.
Engine Oil Type:
Yamaha recommends Yamalube 4 (or equivalent JASO MA certified 10W-40 or 20W-50) motorcycle oil.
Engine Oil Capacity:
Approx. 2.8 - 3.0 liters with filter change (verify in manual).
Length:
Refer to manual for precise dimensions.
Width:
Refer to manual for precise dimensions.
Height:
Refer to manual for precise dimensions.
Dry Weight:
Approximately 170-175 kg (verify in manual).
Wet Weight:
Approximately 185-190 kg (verify in manual).
Fuel Tank Capacity:
Approx. 15 liters (verify in manual).
Crash Safety Standards:
N/A for motorcycles of this era; compliance with roadworthiness regulations is expected.
Braking System:
Hydraulic disc brakes front and rear. Dual piston caliper front, single piston caliper rear.
Suspension Features:
Telescopic front forks, Monoshock rear suspension (likely linkage-assisted).
Lighting:
Halogen headlight, LED tail light, standard turn signals.
Instrumentation:
Analog tachometer, speedometer, odometer, trip meter, and warning lights. Basic but functional.
ABS:
Anti-lock Braking System (ABS) was not standard or widely available on this model during its production years. Check specific market options.
Charging Port:
No built-in USB or 12V charging ports; aftermarket options are available.
Oil Change Interval:
Typically every 4,000-6,000 km or annually (refer to manual for precise interval).
Spark Plug Replacement:
Often around 10,000-15,000 km (check manual for recommended type and interval).
Chain Lubrication Adjustment:
Frequent checks recommended, especially in adverse conditions; adjustment every 1,000-2,000 km or as needed.
Valve Clearance Check:
Crucial interval, typically around 10,000-20,000 km (very important to consult manual).
Coolant Type:
Ethylene glycol-based antifreeze mixture (typically 50/50 with distilled water). Refer to manual for specific Yamaha coolant recommendation.
Brake Fluid Type:
DOT 4 or DOT 5.1 (check manual for precise specification and interval for replacement/flushing).
Carburetor Tuning:
Can be sensitive to altitude and temperature changes, requiring periodic adjustments or cleaning. Pilot jet clogging can occur.
Electrical Connections:
Corrosion at connectors, especially under the seat or near the battery, can lead to intermittent electrical issues.
Suspension Seals:
Fork seal leaks can develop over time with mileage, requiring replacement.
Cam Chain Tensioner:
Some single-cylinder engines of this era can develop a noisy cam chain tensioner, which may require manual adjustment or replacement.
Yamaha Legacy:
Yamaha Motor Company is renowned for its innovation in motorcycles, musical instruments, and other powered products, with a strong racing heritage.
Predecessors Successors:
The SZR660 was part of Yamaha's range of versatile single-cylinder motorcycles, sharing lineage with models like the TDR250 and XTZ660 Tenere. Its platform was also used in other models.
Manufacturing Location:
Likely assembled in Japan or potentially at Yamaha's overseas facilities depending on market. Specifics in manual or VIN.
