Market Segment:
Supersport Motorcycle
Target Audience:
Performance-oriented riders, track day enthusiasts, and DIY mechanics.
Key Competitors:
Yamaha YZF750R, Honda CBR750F/RR, Suzuki GSX-R750.
Performance Focus:
Known for its potent engine, track-ready handling, and aggressive styling.
Handling Characteristics:
Features a stiff chassis, powerful braking, and adjustable suspension for precise control.
Engine:
Detailed disassembly, assembly, troubleshooting, and overhaul procedures for the 749cc inline-four engine.
Fuel System:
Carburetor tuning, jetting, synchronization, fuel pump, and fuel tank maintenance.
Ignition System:
Ignition timing, coil testing, spark plug specifications, CDI unit diagnosis.
Cooling System:
Radiator, fan operation, coolant specifications, thermostat replacement, bleed procedures.
Transmission:
Clutch operation, gear shifting mechanism, transmission gear ratios, oil specifications, and repair.
Suspension:
Front fork (USD) disassembly, assembly, oil levels, damping adjustments, rear shock absorber service, linkage maintenance.
Brakes:
Front and rear brake caliper service, master cylinder overhaul, brake pad replacement, bleeding procedures, disc specifications.
Electrical System:
Wiring diagrams, component testing (starter motor, alternator, battery), lighting, horn, fuses, relays, battery charging system.
Frame And Bodywork:
Fairing removal and installation, frame integrity checks, steering head bearing service, seat, and tank components.
Routine Maintenance:
Oil changes, filter replacements, chain adjustment, spark plug replacement, air filter cleaning/replacement, brake fluid flush.
Troubleshooting:
Step-by-step diagnostic procedures for common starting, running, electrical, and braking issues.
Engine Rebuild:
Detailed instructions for top-end and bottom-end engine overhauls, including piston, ring, valve, and crankshaft service.
Suspension Rebuild:
Front fork seal replacement, oil and spring changes; rear shock service.
Electrical Diagnostics:
Testing of charging system, ignition system components, starter system, and lighting circuits.
Depth:
Comprehensive: Covers everything from basic adjustments to complete engine and chassis rebuilds, including electrical troubleshooting.
Engine Type:
4-stroke, DOHC, 4-valve per cylinder, Inline-four
Bore X Stroke:
73.0 x 44.7 mm
Compression Ratio:
11.5:1
Horsepower:
Approx. 125-130 HP (at crankshaft)
Torque:
Approx. 74-77 Nm (at 9,500 rpm)
Fuel Delivery:
4 x Keihin CVKD36 Carburetors
Fuel Tank Capacity:
19 Liters (5.0 US gal)
Ignition:
Digital CDI with electronic advance
Cooling Method:
Liquid-cooled
Oil Change Interval:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Chain Maintenance Interval:
Clean and lubricate every 1,000 km (600 miles) or after riding in wet conditions.
Spark Plug Replacement:
Every 12,000 km (7,500 miles) or 12 months.
Valve Clearance Check:
Every 24,000 km (15,000 miles).
Engine Oil Type:
SAE 10W-40 API SG or higher (JASO MA recommended)
Engine Oil Capacity:
3.2 L (3.4 US qt) without filter change; 3.4 L (3.6 US qt) with filter change.
Coolant Type:
Permanent type anti-freeze coolant (50/50 mix with distilled water)
Fork Oil Type:
Showas genuine SS-02 (or equivalent SAE 15W) - Check manual for exact specification by year/model variant.
Fork Oil Level:
Refer to manual for precise level measurement (typically around 130-140mm from top of inner tube with spring removed).
Common Wear Items:
Cam chain tensioner, clutch plates, fork seals, carburetor diaphragms, and fuel line deterioration.
Carburetor Sync:
Requires regular synchronization for optimal performance and smooth idling.
Suspension Softening:
Original suspension components may soften over time, requiring rebuild or upgrade.
Manufacturer Origin:
Kawasaki Heavy Industries, Japan
Predecessor:
ZX-7 (ZZR-750 based)
Evolution Notes:
The ZX-7R represents a more track-focused iteration compared to the standard ZX-7, featuring improved suspension, brakes, and tuning.
Production Period:
1991-2003 (ZX-7R lineage)
Key Changes 1996-1999:
Minor styling updates, chassis refinements, and potential engine tuning adjustments across model years.
