Segment:
Middleweight Naked Sportbike
Target Audience:
Riders seeking a versatile, reliable, and sporty motorcycle for commuting, touring, and general riding
Competitors:
Yamaha FZ6, Kawasaki Z750, Honda CBF600
Model Positioning:
A balanced blend of performance, comfort, and usability
Engine Type:
Liquid-cooled, inline-four cylinder
Body Style:
Naked sportbike
Engine Mechanical:
Engine overhaul, top-end rebuild, piston and cylinder inspection, valve clearance adjustment, timing chain service, lubrication system, cooling system
Fuel System:
Fuel injection system, throttle body, injectors, fuel pump, fuel pressure regulator, evaporative emission control
Electrical System:
Wiring diagrams, starter motor, alternator, battery, ignition system, lighting system, instrumentation, ECUs, sensors
Transmission Drivetrain:
Clutch operation and adjustment, gearbox disassembly and reassembly, gear shift mechanism, final drive, chain and sprockets
Suspension Steering:
Front forks (disassembly, seal replacement, oil change), rear shock absorber, swingarm, linkage, steering head bearing service, wheel bearing replacement
Braking System:
Brake fluid flush and bleeding, caliper overhaul, master cylinder service, brake pad replacement, disc inspection
Chassis Frame:
Frame inspection, component mounting, bodywork removal and installation, seat, fuel tank, fairings
Scheduled Maintenance:
Oil changes, filter replacements, spark plug checks, chain lubrication and adjustment, brake inspections, tire pressure checks
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault code interpretation (if applicable for this era), symptom-based troubleshooting guides
Repair Techniques:
Step-by-step instructions for component removal, installation, adjustment, and overhaul
Diagnostics:
Methods for identifying and resolving mechanical, electrical, and fuel system issues
Depth:
Comprehensive from basic rider maintenance to full engine and transmission rebuilds
Engine Type:
Inline-four, DOHC, 4-stroke
Bore X Stroke:
65.5 mm x 48.2 mm
Compression Ratio:
11.5:1
Cooling System:
Liquid-cooled
Valve Train:
DOHC, 4 valves per cylinder
Horsepower Est:
80-85 PS (approx. 79-84 hp) at 9000 rpm
Torque Est:
62-65 Nm (approx. 46-48 lb-ft) at 7000 rpm
Fuel Delivery:
Electronic Fuel Injection (EFI) with Idle Speed Control (ISC)
Fuel Type:
Unleaded gasoline, minimum 90 octane
Oil Type:
SAE 10W-40 API SG or higher
Oil Capacity With Filter Change:
Approximately 3.5 Liters (3.7 US qt)
Safety Features Overview:
Designed to meet roadworthy standards for its era; ABS typically optional on certain trims (FK8 might include it as standard or optional, check specific market)
Braking System:
Dual front disc brakes (310 mm), single rear disc brake (240 mm)
ABS:
Optional Anti-lock Braking System (ABS) available on some FK8 models
Lighting:
Halogen headlamp, LED taillight
Instrumentation:
Analog tachometer, digital speedometer, fuel gauge, clock, odometer, trip meters, engine temperature warning lamp
ABS Availability:
Optional, provides enhanced braking stability
Diagnostic Ports:
Typically includes a diagnostic connector for specialized tools, although not as advanced as modern OBD systems.
Oil Change Interval:
Every 6,000 km (3,700 miles) or 6 months
Air Filter Check:
Every 6,000 km (3,700 miles)
Spark Plug Replacement:
Every 12,000 km (7,500 miles)
Chain Lubrication Adjustment:
Every 1,000 km (600 miles) or after washing/rain
Valve Clearance Check:
Every 12,000 km (7,500 miles)
Coolant Type:
Suzuki Super Long Life Coolant or equivalent ethylene glycol-based coolant
Fork Oil Type:
SAE 10W (check manual for specific viscosity)
Fork Oil Quantity:
Refer to manual, typically around 490-500 ml per fork leg
Common Wear Items:
Clutch wear, chain and sprockets, wheel bearings, front fork seals (especially with heavy use or poor maintenance)
Potential Electrical:
Relatively robust, but standard motorcycle electrical issues like corroded connections or failing regulators can occur with age.
Manufacturer:
Suzuki Motor Corporation, Japan
Gsf Series Context:
The GSF650 Bandit series is an evolution of the popular Bandit line, known for its versatility and inline-four engines. The FK8 generation typically represents an update to styling, fueling, and potentially chassis components.
Production Years For Generation:
The Bandit 650 (GSF650) was produced from approximately 2005 through 2012, with various updates and sub-models like the FK8.