Segment:
Sportbike/Naked Bike
Target Audience:
Enthusiasts and owners seeking to maintain, repair, or modify their Yamaha SZR660.
Segment Competitors:
Honda CB500, Ducati Monster 600, Kawasaki ER-5.
Features:
Powerful single-cylinder engine, agile handling, distinctive styling.
Manual Value:
Provides essential information for DIY maintenance, saving on labor costs and ensuring proper upkeep.
Engine:
Full disassembly, assembly, diagnosis, and repair of the 4-stroke, liquid-cooled, 5-valve, single-cylinder engine.
Fuel System:
Carburetor service, adjustment, cleaning, and troubleshooting (Mikuni BST34).
Ignition System:
CDI ignition system diagnosis, spark plug specifications, timing checks.
Transmission:
5-speed constant mesh gearbox, clutch operation, inspection, adjustment, and repair.
Cooling System:
Radiator, fan, hoses, thermostat, and coolant specifications and maintenance.
Frame And Suspension:
Front fork (Telescopic, cartridge type) overhaul, rear shock absorber inspection and adjustment, frame inspection.
Brakes:
Front and rear hydraulic disc brake systems, caliper service, pad replacement, bleeding procedures, master cylinder.
Electrical System:
Wiring diagrams, battery, charging system (alternator, rectifier/regulator), starter motor, lighting, indicators, switches, fuses.
Exhaust System:
Muffler and pipe inspection and replacement.
Wheels And Tires:
Wheel bearing inspection, tire pressure recommendations, wheel removal and installation.
Bodywork And Trim:
Fairing removal and installation, seat, fuel tank, and other body panels.
Maintenance:
Routine checks, lubrication, filter changes, spark plug replacement, chain adjustment.
Troubleshooting:
Diagnostic charts for common problems, electrical system fault finding.
Repair:
Step-by-step instructions for component disassembly, reassembly, and repair.
Adjustment:
Carburetor synchronization, clutch and brake lever free play, suspension settings.
Diagnostics:
Component testing, electrical circuit analysis.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine rebuilds and electrical system diagnostics.
Detail Level:
Highly detailed with clear explanations, diagrams, and specifications.
Engine Type:
4-stroke, DOHC, 5-valve, Single Cylinder
Bore X Stroke:
100.0 mm x 85.0 mm
Cooling System:
Liquid-cooled
Horsepower:
Approx. 47 hp @ 6,000 rpm (Manufacturer data may vary by region)
Torque:
Approx. 60 Nm @ 4,500 rpm (Manufacturer data may vary by region)
Carburetor:
Mikuni BST34 (x1)
Fuel Type:
Unleaded gasoline, minimum 95 RON
Fuel Tank Capacity:
15 Liters (approx.)
Oil Type:
SAE 10W-40 API SG or higher, JASO MA compliant motorcycle oil
Oil Capacity:
2.5 Liters (with filter change)
Safety Standards:
Meets relevant safety standards for motorcycles of its era.
Braking System:
Hydraulic disc brakes front and rear for effective stopping power.
Suspension:
Telescopic front forks and adjustable rear monoshock contribute to stability and handling.
Lighting:
Headlight, taillight, brake lights, and turn signals for visibility.
Chassis Design:
Steel tube frame for structural integrity.
Oil Change:
Every 3,000 km or 6 months, whichever comes first.
Air Filter Cleaning:
Every 3,000 km; replacement as needed.
Spark Plug Replacement:
Every 6,000 km or as per inspection.
Valve Clearance Check:
Every 10,000 km or annually.
Coolant Type:
Yamaha-approved ethylene glycol-based coolant (50% solution with distilled water).
Carburetor Tuning:
Can be sensitive to altitude and atmospheric conditions, requiring occasional fine-tuning for optimal performance.
Oil Leaks:
Check for leaks around the oil filter and drain plug, and the output shaft seal.
Electrical Connections:
Ensure all electrical connectors are clean and secure to prevent intermittent faults.
Fork Seals:
Regular inspection and replacement of fork seals as needed to prevent oil leaks.
Chain And Sprockets:
Regular maintenance and timely replacement of the drive chain and sprockets.
Heritage:
Yamaha Motor Corporation is renowned for its high-performance motorcycles and engineering expertise across various motorized vehicles.
Predecessors:
While not a direct evolution of a single model, it shares lineage with Yamaha's successful single-cylinder performance bikes.
Key Attributes:
The SZR660 was designed as a lightweight, sporty, and user-friendly motorcycle, often appreciated for its punchy single-cylinder power delivery.
Production Period:
1995-1998
Manufacturing Location:
Japan