Category:
Naked Sportbike / Hyper-Naked
Target Audience:
Riders seeking a powerful, versatile, and comfortable large-displacement motorcycle for touring, commuting, and spirited riding.
Competitors 2007-2009:
Yamaha FZ1, Kawasaki Z1000, Honda CB1000R (later model but comparable segment), Triumph Speed Triple.
Engine Type:
Liquid-cooled, 4-stroke, DOHC, inline-four cylinder.
Fueling:
Electronic Fuel Injection (EFI).
Drivetrain:
X-ring chain drive.
Framing:
High-tensile steel spine frame.
Ergonomics:
Comfortable, upright riding position suitable for longer distances.
Value Proposition:
Offers a potent engine and solid performance at a competitive price point, often considered a great value in its class.
Engine:
Complete overhaul and rebuilding, engine performance tuning, troubleshooting, ignition system, fuel system, lubrication, cooling system, emissions control.
Transmission:
Removal and installation, in-car servicing, clutch system, gearbox internal components, shift mechanism.
Brakes:
Front and rear brake systems, caliper service, master cylinder, brake lines, bleeding procedures, pad replacement, rotor specifications.
Electrical:
Wiring schematics, lighting system, ignition system, starting system, charging system, battery, instrumentation, sensors, ECU diagnosis, trouble codes.
Chassis:
Frame, suspension (front forks, rear shock absorber), steering system, wheels, hubs, chain removal and tightening, final drive.
Bodywork:
Fairing removal and installation, seat, fuel tank, fenders, general body panel service.
Cooling System:
Radiator, coolant, fan, hoses, thermostat, coolant capacities and specifications.
Fuel System:
Fuel injection system, fuel pump, injectors, throttle body, fuel tank, fuel filter, fuel capacities.
Exhaust System:
Muffler, pipes, catalytic converter (if applicable), gasket replacement.
Air Conditioning:
Service and capacities (likely limited to refrigerant and oil if equipped on specific variants).
Maintenance:
Scheduled maintenance, oil changes, filter replacements, chain adjustment, brake fluid changes, coolant flushes, spark plug replacement, air filter cleaning/replacement.
Troubleshooting:
Diagnostic procedures, symptom-based troubleshooting, error code interpretation, troubleshooting flowcharts, electrical diagnostic trees.
Repair:
Step-by-step repair instructions for virtually all components, from minor adjustments to complete engine and transmission rebuilds.
Diagnostics:
Comprehensive diagnostic information, including computer diagnostic trouble codes and associated trees.
Installation:
Procedures for installing major components like engines, transmissions, and suspension parts.
Timing Belt Replacement:
Detailed procedures for timing belt or chain service (the GSF1250 uses a timing chain).
Wiring Diagrams:
Complete and detailed wiring schematics for all electrical systems.
Front End Alignment:
Procedures and specifications for front-end alignment (typically for steering head bearings and fork adjustments).
U Joint Cv Joint Service:
Procedures for U-joint and CV-joint service (if applicable to the specific model variant's drivetrain, though typically shaft drive for this model implies no CV joints in the traditional sense).
Depth:
Factory high-detail, comprehensive, A-Z coverage for all repairs.
Detail Level:
Step-by-step instructions, hundreds of illustrations, diagrams, and schematics.
Diagnostic Capability:
Advanced diagnostic capabilities including trouble codes and diagnostic trees.
Readability:
High-resolution, printable pages, zoomable images.
Searchability:
Likely text-searchable PDF, allowing quick access to information.
Printability:
All pages are printable.
Image Enhancement:
Images can be blown up and printed in enlarged copies for clarity.
Binding:
Digital (no physical binding)
Paper Type:
Digital (not applicable)
Operating Systems:
Windows (7, Vista 32/64, XP, ME, 98, NT, 2000) and Mac compatible.
Required Software:
Adobe PDF Reader
Engine Type:
Inline-four cylinder, liquid-cooled, DOHC, 16-valve.
Displacement:
1255 cc (1.255 Liters)
Bore X Stroke:
79.0 mm x 64.0 mm
Power Output:
Approx. 125 PS (92 kW) @ 8,800 rpm (claimed, varies slightly by market).
Torque Output:
Approx. 11.1 kgf·m (109 Nm / 80 lb-ft) @ 6,500 rpm (claimed, varies slightly by market).
0-60 Mph:
Approx. 3.0 - 3.5 seconds (estimated).
Top Speed:
Approx. 140+ mph (225+ km/h) (estimated).
Fuel Delivery:
Suzuki's SDTV (Suzuki Dual Throttle Valve) electronic fuel injection.
Fuel Type:
Unleaded gasoline, 91-95 RON (or equivalent octane rating).
Fuel Tank Capacity:
20 Liters (5.3 US gal).
Ignition System:
Electronic ignition (Transistorized ignition).
Lubrication System:
Wet sump.
Oil Capacity:
Approx. 3.4 Liters (3.6 US qt) with filter change.
Cooling Method:
Liquid-cooled.
Coolant Type:
Ethylene glycol-based coolant with distilled water.
Coolant Capacity:
Approx. 1.8 Liters (1.9 US qt).
Oil Change Interval:
Typically every 6,000 km (3,700 miles) or annually, whichever comes first (refer to manual for exact specification).
Major Service Interval:
Often around 12,000 km (7,500 miles) for valve clearance checks and other detailed inspections (refer to manual for exact specification).
Engine Oil Type:
API SG, SH, SJ, SL or SF; JASO MA. Viscosity: 10W-40 recommended for most climates (refer to manual for specific recommendations based on temperature).
Coolant Type:
Ethylene glycol-based antifreeze with a 50/50 mix of distilled water.
Fork Oil Type:
Suzuki recommends their own specific fork oil or equivalent SAE 10W viscosity fork oil (refer to manual for precise specification and quantity).
Common Wear Items:
Chain and sprockets, brake pads, tires, clutch plates (depending on usage).
Potential Concerns:
Some owners report a tendency for the fuel tank to expand slightly in very hot conditions, though this is not a widespread critical fault. Regular maintenance of the fuel injection system is important for optimal performance.
Schedule Availability:
The manual contains detailed factory maintenance schedules and charts.
Brand Focus:
Suzuki is a Japanese manufacturer with a long history in motorcycles, known for reliable and performance-oriented machines across various segments.
Bandits Legacy:
The Bandit series, originating in the late 1980s, is renowned for its blend of performance, comfort, and value. The 1250cc model represents a significant evolution, featuring a larger, torque-rich engine derived from Suzuki's sport-touring platforms.
Gsf1200 Predecessor:
The GSF1250 is a successor to the GSF1200 Bandit, which featured an air-cooled engine. The 1250 adopted liquid cooling for improved performance and emissions control.
Manufacturing Country:
Japan
Production Period:
2007-2016 (for the GSF1250 Bandit, though specific market availability varied).
