Market Segment:
Retro-style naked sportbike
Primary Competitors:
Honda CB750, Suzuki GSX750F (Katana), Yamaha XJR400/XJR1200 (depending on region)
Design Philosophy:
Emphasis on classic styling with modern Japanese engineering, air-cooled aesthetic (though liquid-cooled elements were introduced later in some variants)
Target Audience:
Riders appreciating classic motorcycle aesthetics, comfortable riding position, and reliable performance
Engine Mechanical:
Full overhaul, disassembly, assembly, inspection, repair of engine components (cylinder head, block, crankshaft, camshafts, valves, pistons, connecting rods)
Engine Fuel System:
Carburetor overhaul and adjustment, fuel pump, fuel filter, fuel tank inspection
Engine Ignition System:
Ignition timing, spark plugs, coils, CDI unit
Engine Cooling System:
Radiator, cooling fan, coolant, thermostat
Transmission:
Gearbox disassembly, assembly, inspection, lubrication, clutch operation and adjustment
Chassis Suspension:
Front fork overhaul, rear shock absorber inspection and replacement, swingarm maintenance
Brakes:
Front and rear brake caliper overhaul, master cylinder, brake lines, brake fluid replacement, disc and pad inspection
Electrical System:
Wiring diagrams, battery, alternator, starter motor, lighting, instrumentation, fuses
Frame Bodywork:
Frame inspection, body panel removal and installation, seat, tank, fenders
Wheels Tires:
Wheel bearing inspection and replacement, tire pressure and wear
Exhaust System:
Exhaust pipe and muffler inspection and replacement
Maintenance:
Periodic maintenance, oil changes, filter replacements, lubrication points
Troubleshooting:
Diagnostic procedures for common issues, problem identification, and solutions
Repair:
Step-by-step instructions for all repair operations on all covered systems
Disassembly Assembly:
Detailed procedures for removing and refitting components and sub-assemblies
Adjustments:
Carburetor synchronization, clutch and brake lever adjustments, chain tensioning
Technical Depth:
Comprehensive, from basic maintenance to complete engine and component rebuilds
Detail Level:
Detailed explanations, pictorial diagrams, exploded views, and schematics
Special Tools:
Identification and usage of special service tools required for specific procedures
Engine Displacement:
738 cc
Bore X Stroke:
73.0 mm x 44.5 mm
Valve Train:
DOHC, 4 valves per cylinder
Horsepower Claimed:
~70 HP @ 8,500 RPM (approximate, varies by market/tune)
Torque Claimed:
~61 Nm @ 7,000 RPM (approximate, varies by market/tune)
Carburetion:
Four Keihin CVKD32 carburetors
Fuel Capacity:
17 Liters (approximate)
Oil Change Interval:
Every 6,000 km or 6 months (refer to manual for precise intervals)
Valve Clearance Check:
Every 12,000 km or 12 months (refer to manual for precise intervals)
Engine Oil Type:
SAE 10W-40 API SG or higher (refer to manual for specific approvals)
Coolant Type:
Ethylene glycol-based coolant with corrosion inhibitors (50/50 mix with distilled water)
Carburetor Synchronization:
Can require periodic synchronization for smooth running, especially after extensive use or modifications.
Fork Seals:
As with many motorcycles of this era, fork seal leaks can occur over time and require replacement.
Cam Chain Tensioner:
Some models may benefit from manual or automatic cam chain tensioner adjustments/replacements to prevent rattling.
