Segment:
Middleweight Sportbike/Naked Bike
Target Audience:
Enthusiast riders seeking a versatile and capable motorcycle for commuting, sport riding, and touring.
Key Competitors:
Honda CB600F Hornet, Suzuki Bandit GSF600, Kawasaki Z750 (later models).
Versatility:
Known for its adaptability to various riding styles and conditions, bridging the gap between pure sportbikes and utilitarian motorcycles.
Performance Balance:
Offers a good balance of power, handling, and comfort for its class.
Reliability:
Generally praised for its robust engineering and Yamaha's reputation for reliability.
Engine:
Complete engine disassembly, assembly, inspection, and repair (including valve clearance, compression testing, carburetor synchronization, jetting, ignition timing).
Fuel System:
Carburetor systems, fuel pump, fuel lines, fuel tank maintenance and inspection.
Ignition System:
CDI ignition, spark plugs, ignition coils, pickup coils, troubleshooting ignition failures.
Transmission:
Clutch operation and maintenance, gearbox disassembly and assembly, gear inspection, shift mechanism.
Drivetrain:
Chain drive maintenance, sprockets inspection and replacement, rear hub components.
Braking System:
Front and rear brake caliper service, brake pad replacement, brake fluid bleeding and replacement, master cylinder overhaul, brake hose inspection.
Suspension:
Front fork disassembly, oil seal replacement, spring inspection, rear shock absorber adjustment and replacement, linkage maintenance.
Electrical System:
Wiring diagrams, lighting system, charging system (stator, regulator/rectifier), starting system (starter motor, battery), instrumentation, fuses, relays.
Cooling System:
Radiator, fan, thermostat, water pump, coolant replacement and flushing.
Exhaust System:
Exhaust pipe and muffler inspection, gasket replacement.
Frame And Bodywork:
Frame inspection, fairing removal and installation, seat, fuel tank mounting, body panel repair and replacement.
Wheels And Tires:
Tire inspection, pressure recommendations, wheel bearing maintenance, rim inspection.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, spark plug checks, brake checks, tire pressure checks.
Troubleshooting:
Diagnostic procedures for common running issues, electrical faults, and mechanical problems with detailed flowcharts and symptom-based solutions.
Disassembly Assembly:
Step-by-step instructions for complete disassembly and reassembly of all major vehicle components.
Special Tools:
Identification of required special tools for specific maintenance and repair tasks.
Torque Specifications:
Precise torque values for all critical fasteners and bolts.
Wiring Diagrams:
Detailed and comprehensive electrical wiring diagrams for accurate diagnosis and repair.
Depth Level:
Comprehensive coverage from basic maintenance to complete engine and gearbox rebuilds, including advanced diagnostics.
Engine Type:
Inline 4-cylinder, DOHC, 16-valve
Bore X Stroke:
64.0 mm x 46.6 mm
Compression Ratio:
11.5:1
Cooling System:
Liquid-cooled
Redline:
Approx. 12,000 RPM
Horsepower Peak:
Approx. 95-98 HP @ 12,000 RPM (varies by market and specific tune)
Torque Peak:
Approx. 62-64 Nm @ 9,500 RPM (varies by market and specific tune)
Carburetion:
Four Mikuni BSR32 constant velocity carburetors
Fuel Capacity:
20 Liters (4.4 Gallons)
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2
Length:
2,065 mm (81.3 in)
Height:
1,215 mm (47.8 in)
Wheelbase:
1,440 mm (56.7 in)
Dry Weight:
188 kg (414.5 lbs)
Wet Weight:
Approx. 208 kg (458.6 lbs) (fully fueled)
Front Tire Size:
120/60ZR17M/C (55W)
Rear Tire Size:
160/60ZR17M/C (69W)
Front Brake:
Dual 298 mm discs, 2-piston calipers
Rear Brake:
Single 245 mm disc, 1-piston caliper
Front Suspension:
Telescopic forks, 43 mm diameter, 130 mm (5.1 in) travel
Rear Suspension:
Monoshock with linkage, 135 mm (5.3 in) travel
Oil Change Interval:
Every 6,000 km (3,700 miles) or 6 months
Oil Filter Change Interval:
Every 12,000 km (7,500 miles) or 12 months (coinciding with major service)
Valve Clearance Check:
Every 18,000 km (11,200 miles)
Spark Plug Replacement:
Every 12,000 km (7,500 miles)
Chain Lubrication Adjustment:
Every 1,000 km (600 miles) or after riding in rain/wet conditions
Engine Oil Type:
Yamalube 4 (or equivalent API SG, JASO MA rated) 10W-40 semi-synthetic or full synthetic motorcycle oil.
Engine Oil Capacity:
3.4 Liters (3.6 US qt) without filter change; 3.6 Liters (3.8 US qt) with filter change.
Coolant Type:
Yamaha Coolant (or equivalent ethylene glycol-based antifreeze with corrosion inhibitors) mixed 1:1 with distilled water.
Brake Fluid Type:
DOT 4 hydraulic brake fluid (use fresh fluid from sealed container).
Clutch Fluid Type:
DOT 4 hydraulic brake fluid (same as brakes).
Carburetor Issues:
Can experience synchronization drift over time, leading to uneven running. Sticky slides or jets can also occur if not maintained.
Regulator Rectifier:
As with many motorcycles of this era, the regulator/rectifier can be a point of failure due to heat and electrical load.
Fork Seals:
Wear on fork seals can lead to oil leaks over time, requiring replacement.
Cam Chain Tensioner:
The automatic cam chain tensioner can sometimes become weak or fail, leading to a rattling noise from the engine. Manual replacement or aftermarket upgrades are common solutions.
Manufacturer Legacy:
Yamaha Motor Company, a globally recognized leader in motorcycle and powersports manufacturing with a rich history of innovation and performance.
Development Context:
Developed as a sportier, more performance-oriented sibling to the naked FZS600 (Hornet competitor), offering improved aerodynamics and styling.
Design Philosophy:
Aimed to provide accessible performance and versatility, blending sporty handling with everyday usability.
Manufacturing Location:
Japan (Primary)
Market Launch:
Introduced in 1998 as a key model in Yamaha's middleweight naked/sportbike lineup.
