Vehicle Class:
High-performance sport touring motorcycle.
Target Audience:
Enthusiasts, collectors, mechanics specializing in vintage Japanese superbikes.
Contemporary Competitors:
Honda CB1100F/CBX1100, Suzuki GSX1100, Yamaha XS1100, BMW K100 series.
Design Philosophy:
Emphasized powerful inline-four engine with advanced (for its time) technology like fuel injection on some models and sophisticated aerodynamics.
Engine Parts:
Cylinder head, block, pistons, crankshaft, camshafts, valves, timing components, oil pump, lubrication system.
Fuel System Parts:
Carburetors (VM or CV type depending on model variation), fuel pump, fuel lines, fuel filter, airbox assembly.
Transmission Parts:
Gearbox internals, clutch assembly, shift drum and forks, drive sprocket, chain.
Chassis Frame Parts:
Frame components, subframe, steering head assembly, swingarm, linkage.
Suspension Parts:
Front fork internals (springs, dampers, seals), rear shock absorbers, mounting hardware.
Braking System Parts:
Front and rear brake calipers, master cylinders, brake lines, brake discs, brake pads, levers.
Electrical System Parts:
Ignition system components (CDI, coils, spark plugs), starter motor, alternator, battery, wiring harnesses, lighting (headlight, taillight, indicators), switches, fuses.
Bodywork And Trim Parts:
Fairing panels, fuel tank, seat, fenders, side covers, handlebars, mirrors, footpegs, exhaust system.
Wheel And Tire Parts:
Wheels (spoked or cast alloy), wheel bearings, front and rear axles, tire information (size specifications).
Part Identification:
Detailed diagrams and part numbers for every component.
Assembly Disassembly:
Illustrations showing component relationships for assembly and disassembly guidance.
Troubleshooting Guidance:
While primarily a parts manual, diagrams can aid in visual inspection and identification of worn or damaged parts during troubleshooting.
Depth:
Detailed component breakdown with part numbers, illustrating all factory-supplied parts.
Application:
Essential for accurate part ordering, replacement, and restoration projects.
Engine Type:
Four-stroke, DOHC, air-cooled, inline-four cylinder.
Displacement:
1097 cc (1100 cc class)
Bore X Stroke:
Approx. 76.0 mm x 60.0 mm (varies slightly by specific model variant).
Compression Ratio:
Approximately 9.5:1 to 10.5:1 (varies by model and year).
Horsepower:
Approximately 100-115 PS (74-85 kW) at the crankshaft (depending on market and specific model).
Torque:
Approximately 8.5-9.5 kgf·m (83-93 Nm) at ~6,000 rpm (depending on market and specific model).
Fuel Induction:
Carbureted (e.g., Mikuni VM Series) on early models, Electronic Fuel Injection (EFI) on later 'R' or 'GPz1100 Unitrak' models (e.g., K-EFI).
Fuel Type:
Unleaded gasoline.
Ignition System:
Electronic ignition (CDI - Capacitor Discharge Ignition) with dual spark plugs per cylinder.
Overall Length:
Approx. 2250-2300 mm (depending on model variant).
Overall Width:
Approx. 770-820 mm (depending on mirrors and handlebars).
Overall Height:
Approx. 1250-1300 mm (depending on windshield and mirrors).
Wheelbase:
Approx. 1500-1525 mm (depending on model variant, especially Unitrak models).
Dry Weight:
Approx. 240-255 kg (depending on model variant and included equipment).
Wet Weight:
Approx. 255-270 kg (with fluids).
Infotainment Features:
N/A (Motorcycle of this era did not feature infotainment systems as understood today).
Driver Assistance Features:
N/A (No electronic rider aids like ABS or traction control were standard or widely available).
Connectivity Features:
N/A (No electronic connectivity features).
Instrument Cluster:
Analog speedometer, tachometer, fuel gauge, coolant temperature gauge (on some models), warning lights.
Oil Change Interval:
Typically every 3,000-5,000 km or 6 months (refer to specific service manual for exact intervals).
Valve Clearance Check:
Typically every 6,000-12,000 km (critical for engine health).
Spark Plug Replacement:
Depends on plug type, but generally every 10,000-15,000 km.
Engine Oil Type:
API SE, SF, or SG category oil, SAE 10W-40 or 20W-50 recommended (check manual for specific viscosity based on temperature).
Engine Oil Capacity:
Approx. 3.4 - 4.0 liters (with filter change, depending on model variant).
Brake Fluid Type:
DOT 3 or DOT 4, glycol-based.
Fork Oil Type:
SAE 10W fork oil (specific viscosity and quantity per fork leg are critical and detailed in the service manual).
Cam Chain Tensioner:
Can wear out over time, leading to rattling noise from the engine. Often replaced with aftermarket manual tensioners.
Carburetor Synchronization:
Essential for smooth running, especially on older models with CV carbs, requiring regular tuning.
Electrical Connections:
Corrosion or degradation of electrical connectors can lead to intermittent faults.
Charging System:
Regulator/rectifier units can fail over time, impacting battery charging.
Kawasaki Legacy:
Kawasaki has a long-standing reputation for powerful, performance-oriented motorcycles, particularly in the sportbike and superbike categories.
Gpz Lineage:
The GPz1100 was a flagship model in Kawasaki's GPz series, evolving from earlier models and influencing later Kawasaki sportbikes. Known for its powerful engine and often featuring advanced technology for its time.
Production Years:
Circa 1981-1985 (specific variants and years may differ by market).
Manufacturing Location:
Japan
