Positioning:
The Suzuki GSF1250 Bandit is positioned as a versatile, comfortable, and powerful sport-touring motorcycle, appealing to riders seeking a balance of performance, touring capability, and everyday usability.
Competitors:
Competes with models like the Yamaha FZ1, Kawasaki Z1000, Honda CB1000R, and Triumph Speed Triple in the naked/sport-touring segment.
Features:
Torquey inline-four engine, comfortable ergonomics, optional ABS, versatile for commuting and longer journeys, solid build quality.
Primary Coverage:
Service, repair, maintenance, diagnostics, troubleshooting for Suzuki GSF1250, GSF1250S, GSF1250A, GSF1250SA Bandit models.
Secondary Coverage:
Scheduled maintenance, technical service bulletins (TSBs), recall information.
Estimated Page Count:
Typically 500+ pages for a comprehensive service manual of this nature.
Type:
Service Repair Manual
Engine:
Complete engine disassembly, assembly, tuning, diagnostics, lubrication, cooling system, fuel injection system, emission control systems.
Transmission:
Clutch operation, gearbox overhaul, gear shift mechanism, lubrication, troubleshooting.
Chassis And Suspension:
Front fork disassembly and assembly, rear shock absorber replacement, swingarm maintenance, steering system, wheel bearing service, suspension tuning.
Brakes:
Brake system overhaul (front and rear), hydraulic system bleeding, brake pad replacement, rotor inspection and replacement, ABS system (if applicable) diagnostics and service.
Electrical System:
Wiring diagrams, charging system (alternator, regulator/rectifier), ignition system, starting system, lighting, instrumentation, battery maintenance, fuse box identification, diagnostic connectors.
Fuel System:
Fuel pump, fuel filter replacement, fuel injector cleaning and testing, throttle body service, evaporative emission control (EVAP) system.
Exhaust System:
Exhaust component inspection, gasket replacement, catalytic converter (if equipped) information.
Bodywork And Fairings:
Removal and installation of body panels, seats, fuel tank, windscreen, fairing components.
Maintenance:
Oil changes, filter replacements, spark plug service, air filter cleaning/replacement, chain adjustment, brake fluid flush, coolant flush, valve clearance checks and adjustments.
Repair:
Complete engine rebuild, transmission overhaul, suspension component replacement, brake caliper rebuilding, electrical component troubleshooting and replacement, fuel system component repair.
Diagnostics:
Troubleshooting guides for common and uncommon issues, fault code interpretation (if applicable), using diagnostic tools.
Troubleshooting:
Step-by-step guides for diagnosing problems with engine performance, electrical systems, brakes, and other components.
Depth:
Comprehensive, covering from basic scheduled maintenance to complete engine and transmission rebuilds, including detailed diagnostic procedures and specifications.
Type:
1255cc, Liquid-cooled, 4-stroke, DOHC, 4-valve, Inline-four cylinder
Bore X Stroke:
79.0 mm x 64.0 mm
Horsepower:
Approx. 98 HP (73 kW) @ 7500 rpm (EU Spec), actual may vary by region.
Torque:
Approx. 108 Nm (79.7 lb-ft) @ 6000 rpm (EU Spec), actual may vary by region.
Induction:
Fuel Injection (Suzuki's SDTV - Suzuki Dual Throttle Valve system)
Fuel Type:
Unleaded gasoline, 91 octane or higher recommended.
Cooling System:
Liquid-cooled
Starting System:
Electric starter
Type:
6-speed constant mesh
Clutch:
Wet, multiple-disc, back-torque limiter
Final Drive:
RK525SMZ chain, 112 links
Transmission Oil Type:
API GL-5, SAE 80W-90 hypoid gear oil (Specific Suzuki recommendation may be in manual)
Transmission Oil Capacity:
Approximately 2.5 liters (check manual for exact amount with/without filter change).
ABS Availability:
Optional (GSF1250A and GSF1250SA models)
Braking System:
Dual 310mm hydraulic discs front, Single 260mm hydraulic disc rear. ABS option available.
Suspension Design:
Telescopic, coil spring, oil damped front forks; Linkage type, coil spring, oil damped rear suspension.
Lighting:
Halogen headlight, LED taillight.
Instrumentation:
Analog tachometer, digital speedometer, multi-function LCD display.
Display Type:
Multi-function LCD display integrated into the instrument cluster, providing information like fuel level, gear position, clock, odometer, trip meters, and engine status.
ABS:
Anti-lock Braking System available as an option on specific models (A/SA variants), enhancing braking safety.
Diagnostics:
Features a diagnostic connector for connecting to specialized tools for fault diagnosis, though not typically OBD-II in the automotive sense.
Oil And Filter Change:
Recommended every 6,000 km (3,700 miles) or 6 months, whichever comes first.
Valve Clearance Check:
Recommended every 12,000 km (7,500 miles) or 12 months.
Spark Plug Replacement:
Typically recommended around 12,000-24,000 km (7,500-15,000 miles), depending on plug type and condition.
Chain Lubrication And Adjustment:
Recommended every 1,000 km (600 miles) or after riding in wet conditions, and adjustment as needed.
Engine Oil Type:
API SG or higher, JASO MA, SAE 10W-40 motorcycle oil. (Refer to manual for specific Suzuki recommendations).
Coolant Type:
Permanent type antifreeze (ethylene glycol based) mixed with distilled water at a 50:50 ratio. (Refer to manual for specific Suzuki recommendations).
Brake Fluid Type:
DOT 4 recommended (for both front and rear systems).
Common Problems:
Potential for occasional clutch judder, stator/regulator issues (common on many bikes of this era), exhaust valve cleaning required for optimal performance. (Manual will detail diagnosis and fixes).
Engine Oil Drain Plug:
Approx. 30 Nm (22 lb-ft).
Front Axle Nut:
Approx. 60 Nm (44 lb-ft).
Rear Axle Nut:
Approx. 100 Nm (74 lb-ft).
Heritage:
Suzuki has a long-standing reputation for producing reliable and performance-oriented motorcycles, particularly known for their inline-four engines and 'Bandit' series of versatile bikes.
Predecessors:
The GSF1250 is a successor to the GSF1200 Bandit, featuring an updated and enlarged engine, improved chassis, and modern fuel injection.
Generation Period:
This generation (2007-2009) represents a significant update for the Bandit line, focusing on increased displacement and refinement.
Manufacturing Location:
Primarily manufactured in Japan.
Industry Acclaim:
While specific awards for the 2007-2009 models might be scarce in public records, the Bandit series has consistently been praised for its value proposition, versatility, and torquey engine performance within the sport-touring and naked bike segments.
User Reviews:
Generally well-regarded by owners for its reliability, comfort for longer rides, and strong performance from the 1250cc engine.
