Segment:
Middleweight Naked Sportbike
Target Audience:
Riders seeking a balance of performance, versatility, and sporty styling for commuting, touring, and spirited riding.
Competitors:
Kawasaki Z800, Suzuki GSX-S750, Triumph Street Triple, Ducati Monster 797.
Engine Layout:
Inline-four cylinder, DOHC, 4-valve per cylinder.
Chassis Design:
Deltabox frame, known for rigidity and precise handling.
Styling:
Aggressive naked styling, minimalist fairings for a focused look.
Engine:
Complete overhaul, diagnostics, tuning, lubrication system, cooling system, fuel injection, ignition system.
Transmission:
Clutch, gearbox, final drive (chain and sprockets), troubleshooting, overhaul.
Chassis And Suspension:
Front fork (telescopic, cartridge type), rear shock absorber, swingarm, linkage, bearings, adjustments.
Brakes:
Front and rear disc brakes, ABS (if equipped), hydraulic system, caliper overhaul, pad replacement, bleeding.
Electrical System:
Wiring diagrams, battery, charging system (stator, regulator/rectifier), starter motor, lighting, instrumentation, ignition coils, sensors.
Fuel System:
Fuel tank, fuel pump, injectors, fuel pressure regulation, throttle body assembly.
Cooling System:
Radiator, coolant flow, fan, thermostat, hoses, capacities.
Exhaust System:
Catalytic converter, mufflers, lambda sensors.
Body And Frame:
Frame inspection, body panels, fairings, seat, handlebars, footpegs.
Troubleshooting:
Fault diagnosis for engine, electrical, and mechanical issues.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake fluid flush, coolant flush.
Repair:
Detailed step-by-step instructions for component repair and replacement across all covered systems.
Overhaul:
Complete disassembly, inspection, and reassembly of major components like engine and transmission.
Diagnostics:
Troubleshooting charts, error code interpretation (if applicable via diagnostic tool), and symptom analysis.
Adjustments:
Valve clearance adjustment, throttle cable adjustment, clutch lever free play, suspension settings.
Installation:
Guidance on installing new parts or components, e.g., brake pads, spark plugs.
Depth:
Comprehensive: Covers routine maintenance, in-depth repairs, component overhauls, and detailed diagnostics. Assumes a knowledgeable technician with appropriate tools.
Type:
Liquid-cooled, 4-stroke, DOHC, 4-valve inline-four
Bore X Stroke:
74.0 mm x 45.0 mm
Compression Ratio:
12.0:1
Max Horsepower:
Approximately 106 PS (104.6 hp, 77.9 kW) @ 9,000 rpm
Max Torque:
Approximately 85 Nm (8.7 kg-m, 62.7 lb-ft) @ 7,500 rpm
Induction:
Electronic Fuel Injection (EFI) with Mikuni 43mm throttle bodies
Fuel Type:
Unleaded gasoline, 95 RON (Octane rating)
Oil Type:
Yamalube 4 (or equivalent SAE 10W-40 API SG or higher, JASO MA)
Ignition System:
TCI (Transistor Controlled Ignition)
Cooling Method:
Liquid-cooled
Engine Serial Number Location:
Stamped on the crankcase (refer to manual for exact location)
Oil And Filter Change:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Air Filter Inspection:
Every 6,000 km (3,700 miles).
Spark Plug Replacement:
Every 12,000 km (7,500 miles) (NGK CR9E or equivalent).
Valve Clearance Check:
Every 12,000 km (7,500 miles).
Brake Fluid Replacement:
Every 2 years or as needed based on condition (DOT 4 recommended).
Coolant Replacement:
Every 2 years (Yamaha Coolant or equivalent).
Engine Oil Capacity:
3.4 Liters (without filter change), 3.7 Liters (with filter change).
Coolant Capacity:
2.0 Liters (including reservoir).
Fork Oil Type:
Yamaha Fork Oil 10W (or equivalent SAE 10W)
Fork Oil Level:
Refer to manual for specific oil level measurement (e.g., 123mm from top of inner tube with spring removed).
Fuel Injection Mapping:
Some owners report mild snatchiness in throttle response at low RPMs, potentially addressed with ECU remapping or tuning.
Suspension Tuning:
Stock suspension can be considered basic; aftermarket upgrades are common for improved damping and adjustability.
Regulator Rectifier Reliability:
While not a widespread issue, some owners have experienced failures of the regulator/rectifier unit over time, leading to charging system problems. The manual will detail its testing procedures.
Yamaha Legacy:
Yamaha Motor Company, established in 1955, has a strong heritage in motorcycles, known for innovation, performance, and racing success.
Fz Series Context:
The FZ8N is part of Yamaha's FZ line, known for its sporty performance and naked styling, often seen as a more accessible alternative to the flagship FZ1.
Manufacturing Location:
Typically manufactured in Japan, with potential assembly in other regions depending on market.
Model Lifespan Covered:
The 2010-2013 range represents the initial generation of the FZ8N model.
