Motorcycle Segment:
Sport Touring / Naked Sportbike with fairings
Target Rider:
Riders seeking a versatile motorcycle for commuting, sport riding, and light touring.
Key Competitors:
Kawasaki Z800/Ninja 800, Suzuki Bandit 650/GSF650, Honda CBF600/Hornet 600 (though FZ8 is larger displacement).
Engine Type:
Liquid-cooled, 4-stroke, DOHC, 4-valve, inline-four cylinder
Frame Type:
Diamond type with aluminum alloy front frame and steel rear frame
Braking System:
Dual front disc brakes with radial-mount calipers, single rear disc brake.
Fairing Design:
Half-fairing design ('Fazer' designation) for improved wind protection and aerodynamics compared to the naked FZ8.
Engine:
Complete engine disassembly, assembly, inspection, and repair procedures for the 800cc inline-four engine.
Fuel System:
Fuel injection system diagnostics, injector service, throttle body synchronization, fuel pump, and fuel pressure testing.
Ignition System:
Ignition coil testing, spark plug specifications, ECU control, and timing procedures.
Cooling System:
Radiator, fan, thermostat, water pump, coolant flow, and pressure testing procedures.
Transmission:
Gearbox disassembly, inspection of gears and shift forks, clutch operation, and lubrication requirements.
Chassis Frame:
Frame inspection, swingarm removal and installation, pivot bearing service, and mounting points.
Suspension Front:
Front fork disassembly, seal replacement, oil type and level specifications, damping adjustment.
Suspension Rear:
Rear shock absorber service, linkage inspection, spring pre-load adjustment, damping settings.
Brakes:
Front and rear brake system overhaul, caliper service, master cylinder rebuild, brake fluid replacement, ABS (if applicable) diagnostics.
Electrical System:
Wiring diagrams, component testing (starter, alternator, battery), lighting system, instrument cluster diagnostics, ECU diagnostics.
Fuel Tank And Seat:
Removal and installation procedures for fuel tank and seat components.
Exhaust System:
Exhaust pipe and muffler removal, installation, and gasket replacement.
Wheels And Tires:
Wheel bearing service, tire mounting and balancing, wheel torque specifications.
Bodywork And Fairings:
Removal and installation of front and side fairings, windscreen, and other body panels.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, brake fluid flush, coolant flush, spark plug replacement, air filter cleaning/replacement.
Troubleshooting:
Diagnostic procedures for common starting, running, electrical, and performance issues based on symptoms.
Engine Rebuild:
Detailed step-by-step instructions for complete engine teardown, component inspection, machining recommendations, and reassembly.
Transmission Overhaul:
Complete guidance on gearbox disassembly, inspection of critical components, and reassembly.
Suspension Service:
Fork seal replacement, fork oil changes, rear shock absorber service, and linkage lubrication.
Electrical Diagnostics:
Testing of electrical components, troubleshooting wiring harness issues, and diagnosing ECU fault codes.
Brake System Service:
Brake pad replacement, caliper service, master cylinder service, bleeding procedures.
Torque Specifications:
Precise torque values for all critical fasteners throughout the motorcycle.
Special Tools:
Identification and usage of specialized tools required for specific repair procedures.
Depth Level:
Comprehensive (from basic maintenance to complete engine and transmission rebuilds)
Diagnostic Capability:
Advanced diagnostic procedures, including symptom-based troubleshooting and electrical system analysis.
Reference Data:
Includes critical specifications, measurements, tolerances, and diagrams for accurate repairs.
Engine Type:
Liquid-cooled, 4-stroke, DOHC, inline-four
Bore X Stroke:
74.0 mm x 48.0 mm
Compression Ratio:
12.0:1
Valve Train:
DOHC, 4 valves per cylinder
Max Power:
Approximately 106.2 PS (78.1 kW / 104.7 bhp) at 10,000 rpm
Max Torque:
Approximately 82.0 Nm (8.37 kg-m / 60.5 lb-ft) at 8,000 rpm
Fuel Delivery:
Fuel Injection (FI)
Fuel Type:
Unleaded gasoline, minimum 95 RON
Oil Type:
Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher, JASO MA
Oil Capacity With Filter:
Approximately 3.4 Liters (3.6 US qt)
Coolant Type:
Ethylene glycol based coolant, 50% mixture with de-ionized water
Coolant Capacity:
Approximately 1.8 Liters (1.9 US qt)
Engine Oil Change Interval:
Every 6,000 km (3,750 miles) or 12 months
Oil Filter Replacement Interval:
Every 6,000 km (3,750 miles) or 12 months (concurrent with oil change)
Air Filter Cleaning Interval:
Every 6,000 km (3,750 miles)
Spark Plug Replacement Interval:
Every 12,000 km (7,500 miles) or 24 months
Coolant Flush Interval:
Every 24,000 km (15,000 miles) or 24 months
Brake Fluid Replacement Interval:
Every 12,000 km (7,500 miles) or 12 months
Clutch Fluid Replacement Interval:
Every 12,000 km (7,500 miles) or 12 months
Chain Lubrication Interval:
Every 1,000 km (600 miles) or after riding in rain/wet conditions
Chain Adjustment Interval:
Every 1,000 km (600 miles) or as needed
Engine Oil Viscosity:
SAE 10W-40
Engine Oil Standard:
API SG or higher, JASO MA
Coolant Type Spec:
Ethylene glycol based, 50% mixture with de-ionized water
Clutch Fluid Type:
DOT 4 (hydraulic clutch)
Fork Oil Type:
SAE 10W (or specified Yamaha fork oil)
Common Wear Items:
Clutch plates, chain and sprockets, fork seals, brake pads, tires.
Potential Engine Quirks:
Some owners report a slightly snatchy throttle response at very low RPMs, which can often be mitigated by ECU remapping or rider technique. Engine generally reliable.
Electrical Considerations:
Standard checks for battery health, charging system (stator/regulator-rectifier), and connections are always recommended.
Yamaha Legacy:
Yamaha Motor Company, established in 1955, is renowned for its high-performance motorcycles, musical instruments, and other powered products. Known for innovation and racing heritage.
Fz Series Context:
The FZ8 succeeded the FZ6 and was positioned as a middleweight naked sportbike that offered a blend of performance and everyday usability. The FZ8S Fazer variant added a half-fairing for enhanced comfort.
Fz8 Development:
Developed with a focus on strong mid-range torque and accessible performance, derived from Yamaha's R1 engine architecture but detuned for broader usability.
Manufacturing Origin:
Japan (primary production)
Sales Period:
Introduced in 2010, production ran through 2013. Later models were replaced by the MT-09 and related platforms.