Segment:
Sportbike / Supersport
Target Audience:
Performance motorcycle enthusiasts, track day riders, racers, and professional mechanics.
Contemporaries:
Honda CBR900RR Fireblade, Kawasaki ZX-9R Ninja, Suzuki GSX-R750, Ducati 916.
Engine Layout:
Inline-four cylinder, DOHC, liquid-cooled, 5-valve per cylinder.
Chassis Design:
Deltabox frame, emphasizing rigidity and light weight.
Suspension Technology:
Upside-down (USD) front forks and a sophisticated linkage-driven rear monoshock (often fully adjustable in SP models).
Braking Performance:
Dual front disc brakes with high-performance calipers, often radial-mount on later iterations or SP models.
Engine:
Complete overhaul, disassembly, assembly, tuning, lubrication, cooling system, intake system, exhaust system.
Fuel System:
Carburetor identification, tuning, cleaning, fuel pump, fuel filter, fuel tank.
Ignition System:
CDI, ignition timing, spark plugs, coils, wiring diagrams.
Transmission Drivetrain:
Clutch operation, gearbox disassembly/assembly, gear ratios, chain drive, lubrication.
Chassis Frame:
Frame inspection, steering head bearings, swingarm, suspension linkages.
Suspension Front:
Front fork disassembly, assembly, oil change, seal replacement, spring rates, damping adjustments.
Suspension Rear:
Rear shock absorber overhaul, linkage bearings, spring preload adjustment.
Braking System:
Front and rear brake caliper service, master cylinders, brake fluid flush, pad replacement, disc inspection.
Electrical System:
Wiring diagrams, battery maintenance, charging system, lighting, starter motor, fuses, relays.
Bodywork Fairings:
Fairing removal/installation, seat, fuel tank removal, component identification.
Wheels Tires:
Wheel bearing maintenance, tire mounting/balancing, rim specifications.
Cooling System:
Radiator, hoses, coolant specifications, water pump service.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake bleeding, coolant flush.
Troubleshooting:
Diagnostic flowcharts for common starting, running, and electrical issues.
Repair:
Step-by-step instructions for component disassembly, inspection, repair, and reassembly.
Technical Data Charts:
Torque specifications, clearances, wear limits, fluid capacities, electrical resistance values.
Wiring Diagrams:
Detailed electrical system schematics for all components.
Special Tools:
Identification and usage of specialized tools required for specific procedures.
Depth Level:
Comprehensive: Covers everything from basic service to complete engine and transmission rebuilds.
Engine Type:
4-stroke, Liquid-cooled, DOHC, inline-four cylinder
Bore X Stroke:
73.0 mm x 44.7 mm
Valve Train:
DOHC, 5 valves per cylinder
Horsepower:
Approx. 125-130 hp (claimed at crankshaft)
Torque:
Approx. 78-80 Nm (claimed at crankshaft)
Carburetion:
Constant Velocity (CV) carburetors, typically 36-39 mm (e.g., Mikuni BDSR39).
Fuel Capacity:
Approx. 17 Liters (4.5 US gallons)
Cooling Type:
Liquid-cooled
Oil Change:
Every 5,000-6,000 km (3,000-3,700 miles) or 6 months, whichever comes first.
Air Filter Cleaning:
Every 5,000-10,000 km (3,000-6,000 miles), replacement as needed.
Spark Plug Replacement:
Every 10,000-15,000 km (6,000-9,000 miles).
Coolant Flush:
Every 2 years or 20,000 km (12,000 miles).
Brake Fluid Flush:
Every 2 years or as recommended by inspection.
Engine Oil Capacity:
Approx. 3.4 Liters (3.6 US qt) with filter change.
Coolant Type:
Permanent type antifreeze (e.g., Yamaha's recommended coolant or equivalent mixture of ethylene glycol and distilled water).
Brake Fluid Type:
DOT 4 recommended.
Carburetor Sync:
Carburetors can drift out of sync, requiring regular synchronization for optimal performance.
Cam Chain Tensioner:
Some models may experience wear in the automatic cam chain tensioner, leading to rattling noise.
Fork Seals:
Wear and tear on fork seals can lead to oil leaks, common on high-mileage sportbikes.
Stator Output:
Stator failure can impact charging system performance.
Manufacturer:
Yamaha Motor Corporation, Japan.
Motorcycle Focus:
Long history in racing and performance motorcycle development.
Predecessors:
Yamaha FZR series, including the FZR750R (OW01) homologation special.
Development Goal:
Developed as a homologation special for World Superbike Championship racing, hence the 'SP' designation.
Production Period:
Mid-1990s (1993-1998 as covered by the manual).
Key Updates Across Years:
Minor chassis tweaks, suspension refinements, carburetion adjustments, and cosmetic updates through its production run.
