Motorcycle Segment:
Lightweight naked sportbike, single-cylinder, road-focused.
Target Audience:
Enthusiasts seeking a practical, nimble, and engaging riding experience for commuting and spirited riding.
Key Competitors:
Honda CB500, Suzuki SV650 (later models), Kawasaki ER-5, Ducati Monster 600.
Engine Configuration:
Single-cylinder, four-stroke, liquid-cooled (derived from XT600/XTE600).
Design Philosophy:
Simplicity, reliability, accessible performance, and practical ergonomics.
Chassis Type:
Steel trellis frame for rigidity and lightweight handling.
Engine Mechanical:
Complete disassembly, inspection, repair, and reassembly of all engine components, including cylinder head, pistons, crankshaft, connecting rods, camshafts, valve train, and lubrication system.
Fuel System:
Carburetor adjustment, cleaning, rebuilding, fuel pump inspection, fuel tank service, and fuel line maintenance.
Ignition System:
Spark plug service, ignition coil testing, CDI unit diagnostics, timing adjustment, and stator/rotor inspection.
Cooling System:
Radiator service, fan operation, thermostat testing, coolant flush and refill procedures, and hose replacement.
Exhaust System:
Exhaust pipe and muffler inspection, gasket replacement, and performance tuning considerations.
Transmission:
Clutch inspection and adjustment, gear shifting mechanism service, transmission oil change and level check.
Chassis And Suspension:
Front fork service (oil change, seal replacement), rear shock absorber inspection, swingarm bearing service, steering head bearing adjustment.
Brakes:
Front and rear brake caliper service, brake pad replacement, brake fluid flush and bleed, master cylinder inspection, brake line maintenance.
Electrical System:
Battery testing and maintenance, charging system (alternator/stator, rectifier/regulator), lighting system (headlight, taillight, indicators), horn, starter motor, wiring diagrams, and troubleshooting.
Bodywork And Frame:
Fairing removal and installation, seat service, fuel tank removal/installation, frame inspection, and general body panel maintenance.
Routine Maintenance:
Oil and filter changes, air filter cleaning/replacement, spark plug replacement, chain adjustment and lubrication, brake fluid checks, coolant checks.
Troubleshooting:
Systematic diagnostic procedures for common and uncommon issues, fault finding charts, symptom analysis.
Repair Procedures:
Step-by-step instructions for component disassembly, repair, reassembly, and adjustment for all major systems.
Technical Specifications:
Torque specifications for all fasteners, engine performance data, valve clearances, fluid capacities, electrical component specifications.
Electrical Diagnostics:
Wiring diagrams, circuit tracing, troubleshooting electrical faults using multimeters, testing ignition and charging systems.
Depth:
Comprehensive, covering everything from basic owner maintenance to full engine rebuilds and complex electrical diagnostics.
Level Of Detail:
Factory-level detail with clear diagrams, exploded views, and precise instructions suitable for professional mechanics and advanced DIY enthusiasts.
Engine Type:
4-stroke, SOHC, 4-valve, single-cylinder
Displacement:
659 cc (659 cm³)
Bore X Stroke:
97.0 mm x 90.7 mm
Cooling System:
Liquid-cooled
Horsepower Claimed:
Approx. 47 HP (35 kW) @ 6,000 RPM (specifications may vary by market/region)
Torque Claimed:
Approx. 57 Nm (42 lb-ft) @ 4,500 RPM (specifications may vary by market/region)
Carburetor:
Mikuni BSR36 (single, constant velocity type)
Fuel Capacity:
14 Liters (3.7 US gal)
Ignition:
CDI (Capacitor Discharge Ignition)
Oil Capacity:
3.1 Liters (with filter change)
Recommended Oil:
Yamaha SAE 10W-40 API SG or higher (refer to manual for exact specifications)
Oil Change Interval:
Every 3,000 km (1,860 miles) or 6 months, whichever comes first (refer to manual for precise recommendation).
Air Filter Cleaning:
Every 6,000 km (3,720 miles) or annually.
Spark Plug Replacement:
Every 12,000 km (7,440 miles) or annually.
Valve Clearance Check:
Every 12,000 km (7,440 miles).
Brake Fluid Flush:
Every 2 years or as needed.
Coolant Flush:
Every 2 years.
Engine Oil Viscosity:
SAE 10W-40
Coolant Type:
Ethylene glycol based coolant, 50% mixture with distilled water.
Brake Fluid Type:
DOT 4 (refer to manual for confirmation)
Carburetor Tuning:
Can require periodic adjustment due to its simplicity; aftermarket jetting or exhaust may necessitate re-tuning.
Cam Chain Tensioner:
Some models may develop a noisy cam chain tensioner over time; manual provides inspection and replacement procedures.
Electrical Connections:
Corrosion on electrical connectors, especially in damp climates, can lead to intermittent issues; manual details troubleshooting.
Manufacturer:
Yamaha Motor Company, Japan.
Reputation:
Renowned for performance, reliability, and innovation in motorcycles and musical instruments.
Predecessors:
Shares engine architecture with Yamaha's XT600/XTE600 dual-sport models, adapted for street use.
Market Introduction:
Introduced in the mid-1990s as a more road-oriented, budget-friendly naked sportbike.
Production Years:
Mid-1990s to early 2000s (specific years vary by region).
Manufacturing Location:
Primarily Japan.
