Class:
Mid-size naked sportbike
Rivals:
Honda CB650, Yamaha XS650, Suzuki GS650.
Engine Configuration:
Parallel-twin, air-cooled, DOHC
Design Philosophy:
Balanced performance, reliability, and a sporty riding experience.
Manual Emphasis:
Provides clear, step-by-step instructions with diagrams to empower DIY mechanics.
Manual Accessibility:
Instant download available, allowing immediate access to repair information.
Engine Systems:
Engine disassembly, assembly, troubleshooting, adjustments, internal components, lubrication system, cooling system (if applicable).
Fuel System:
Carburetor adjustment and overhaul, fuel tank, fuel lines, fuel pump.
Transmission Drivetrain:
Clutch operation and adjustment, gearbox disassembly and assembly, final drive.
Electrical System:
Ignition system, lighting, charging system, starter motor, wiring diagrams, troubleshooting.
Chassis Suspension:
Front fork disassembly and assembly, rear shock absorber service, frame inspection and repair.
Braking System:
Brake caliper overhaul, master cylinder service, brake fluid replacement, adjustment.
Wheels Tires:
Wheel bearing service, tire installation, spoke tensioning (if applicable).
Bodywork Controls:
Handlebar controls, seat removal, body panel removal and installation.
Maintenance:
Scheduled maintenance, lubrication, fluid changes, filter replacements.
Diagnostics:
Troubleshooting guides, symptom analysis, diagnostic procedures for various systems.
Repair:
Detailed step-by-step repair instructions for all major components.
Adjustment:
Carburetor synchronization, ignition timing, chain tension, brake lever play.
Removal Installation:
Component removal and installation procedures with emphasis on proper techniques.
Disassembly Assembly:
Comprehensive instructions for breaking down and reassembling mechanical and electrical components.
Safety Precautions:
Detailed notes, cautions, and warnings for safe operation and service procedures, including DANGER, CAUTION, and NOTE indicators.
Depth:
Comprehensive, covering everything from basic maintenance to complete engine rebuilds and advanced troubleshooting.
Illustrations:
Includes detailed illustrations, exploded diagrams, drawings, and photos.
Special Tools:
References specific special service tool numbers and provides usage illustrations.
Specifications:
Includes service data, service specifications lists, tightening torques, factory specifications, and allowable limits.
Wear Limits:
Provides reference to wear limits for component replacement.
Type:
4-stroke, Air-cooled, DOHC, Parallel-twin
Bore X Stroke:
71.0 x 83.0 mm
Horsepower:
Approx. 64 hp @ 8000 rpm (manufacturer claim varies)
Torque:
Approx. 57 Nm @ 6500 rpm (manufacturer claim varies)
Carburetors:
2 x Mikuni VM26SS (or similar depending on exact variant)
Fuel Capacity:
Approx. 18 Liters (5.0 US gal)
Crash Safety:
N/A (Motorcycle - focus on operational safety).
Braking System:
Front: Dual Disc Brakes, Rear: Single Disc Brake (typical for this era).
Lighting:
Halogen headlight, taillight, turn signals.
Importance Of Correct Tools:
Manual emphasizes using correct special service tools and calibrated instruments for accuracy and safety.
Oil Change:
Refer to periodic maintenance chart in manual (typically every 3,000-5,000 km or 6 months).
Valve Clearance:
Refer to periodic maintenance chart in manual (typically every 10,000-15,000 km).
Engine Oil:
Refer to manual for specific viscosity (e.g., SAE 10W-40 or 20W-50, API SE or SF classification).
Brake Fluid:
DOT 3 or DOT 4 (confirm in manual).
Carburetor Sync:
Carburetors can drift out of sync, requiring regular synchronization for optimal performance and fuel economy.
Ignition Components:
Spark plugs, points (if applicable), and coils may require periodic inspection and replacement.
Part Quality:
Manual stresses using genuine Kawasaki parts for reliability and safety.
Kawasaki Legacy:
Kawasaki has a long history of producing powerful and reliable motorcycles, particularly in the sport and naked bike categories.
Z Series Heritage:
The Z650 is a precursor to many iconic Kawasaki Z models, known for its smooth parallel-twin engine and manageable performance.
Production Period:
The Z650 was produced from the late 1970s into the early 1980s, with the D4 and F2 being specific variants for the 1981 model year.
