Target Audience:
Suzuki GSF1250 owners seeking self-maintenance and repair capabilities, independent workshops.
Value Proposition:
Provides comprehensive, accurate, and complete repair information, offering significant cost savings over dealership servicing and avoiding the pitfalls of incomplete or inferior manuals.
Differentiation:
Emphasizes completeness ('No Missing Pages!', 'All Models Are Covered'), high detail, and ease of use, contrasting with low-quality, incomplete alternatives.
Content Highlight:
Hundreds of pages, superb table of contents, detailed instructions for repair, maintenance, rebuilding, refurbishing, and restoration.
Engine:
Complete disassembly, assembly, troubleshooting, diagnostics, tuning, lubrication, cooling, fuel injection (EFI), ignition system, exhaust system.
Transmission:
Clutch operation, gearbox removal and installation, gear inspection, shift mechanism, transmission oil.
Chassis:
Frame inspection and repair, front forks (suspension, damping, oil levels), rear shock absorber (adjustment, removal, installation), swingarm, wheel bearings, steering system.
Brakes:
Front and rear brake system, hydraulic lines, master cylinders, calipers, brake fluid replacement, bleeding, rotor inspection, ABS system (if applicable).
Electrical:
Wiring diagrams, battery maintenance, charging system (alternator, regulator/rectifier), starter motor, lighting system (headlight, taillight, signals), instrumentation, fuses, relays, EFI sensor diagnostics.
Fuel System:
Fuel pump, fuel injectors, fuel pressure regulation, throttle body maintenance, fuel filter replacement.
Bodywork:
Fairing removal and installation, seat, fuel tank, body panel maintenance, fasteners.
Maintenance:
Regular scheduled maintenance, oil and filter changes, air filter replacement, spark plug replacement, chain adjustment and lubrication, brake fluid flush, coolant replacement.
Repair:
Component-level repair, replacement procedures for all major and minor parts, engine rebuilds, transmission overhaul, suspension tuning, electrical troubleshooting and repair.
Troubleshooting:
Diagnostic flowcharts for common problems, symptom-based troubleshooting guides, error code interpretation (if applicable).
Restoration:
Guidance on bringing older or neglected bikes back to original specifications, detailed parts information.
Depth:
Comprehensive: Covers everything from basic owner maintenance to advanced engine rebuilding and electrical diagnostics.
Diagnostic Capabilities:
Detailed diagnostic procedures, torque specifications, clearances, timing information, wiring schematics.
Rebuild Information:
Full engine and transmission disassembly/reassembly instructions, including piston ring gap, bearing clearances, valve lash adjustment.
Engine Type:
Inline-4 Cylinder, 4-stroke, DOHC, 16-valve
Displacement:
1255 cc (76.5 cu. in.)
Bore X Stroke:
81.0 mm x 63.0 mm (3.19 in x 2.48 in)
Cooling System:
Liquid-cooled
Horsepower Est:
~100-105 HP (at crank, depending on market and specific model year tuning)
Torque Est:
~80-85 lb-ft (at crank, depending on market and specific model year tuning)
Fuel Delivery:
Electronic Fuel Injection (EFI), Suzuki Dual Throttle Valve (SDTV)
Fuel Type:
Unleaded gasoline, minimum 87 octane
Fuel Tank Capacity:
19.0 L (5.0 US gal)
Oil Change Interval:
Every 6,000 km (3,700 miles) or 6 months, whichever comes first (typical recommendation).
Air Filter Inspection:
Every 6,000 km (3,700 miles) or annually.
Spark Plug Replacement:
Every 12,000 km (7,500 miles) or annually.
Valve Clearance Check:
Every 24,000 km (15,000 miles).
Engine Oil Type:
SAE 10W-40, API SG or higher, JASO MA certified (e.g., Suzuki ECSTAR R9000 10W-40).
Engine Oil Capacity:
Approx. 3.8 L (4.0 US qt) without filter change, 4.1 L (4.3 US qt) with filter change.
Coolant Type:
Suzuki Super Long Life Coolant (or equivalent permanent type antifreeze/coolant, 50/50 mix with distilled water).
Brake Fluid Type:
DOT 4 (refer to manual for specific Suzuki recommendation).
Common Wear Items:
Clutch plates, wheel bearings, fork seals, chain and sprockets.
Efi Systems:
Occasional injector clogging or sensor issues can arise with high mileage, though generally robust.
Electrical Reliability:
Generally reliable, but standard motorcycle electrical checks (grounds, connections) are prudent.
Brand Focus:
Suzuki is renowned for its innovative motorcycle engineering, particularly with its powerful inline-four engines and robust, reliable designs.
Bandit Lineage:
The GSF1250 is part of the long-standing Suzuki Bandit series, known for offering a potent blend of performance, versatility, and value. It succeeded the air-cooled GSF1200 and introduced a modern, fuel-injected, liquid-cooled engine.
Production Period:
2007-2009 for this specific generation and manual coverage.
