Segment:
Sport Touring / Naked Bike
Target Audience:
Riders seeking a powerful, versatile motorcycle for commuting, touring, and spirited riding.
Competitors:
Yamaha FZ1, Kawasaki Z1000, Honda CB1000R, Triumph Speed Triple.
Unique Selling Points:
Torquey inline-four engine, comfortable riding position, excellent value proposition, reliable performance.
Engine Type:
Liquid-cooled, DOHC, inline-four cylinder
Fueling:
Digital fuel injection
Bodywork:
Half-faired ('S' model) providing some wind protection.
ABS:
Available with ABS ('A' suffix indicates ABS variant)
Engine:
Complete engine overhaul, disassembly, assembly, internal components, cooling system, lubrication system, fuel injection system, ignition system.
Transmission:
Gearbox disassembly and assembly, clutch operation and maintenance, shift mechanism, final drive (chain and sprockets).
Chassis:
Frame, suspension (front forks, rear shock absorber), steering, wheel bearings, swingarm.
Brakes:
Front and rear brake systems, hydraulic lines, master cylinders, calipers, brake pads, brake fluid, ABS system (if equipped).
Electrical:
Wiring diagrams, lighting system, battery, charging system (alternator, regulator/rectifier), starting system, ignition system components, sensors, ECM (Engine Control Module) troubleshooting.
Fuel System:
Fuel tank, fuel pump, fuel injectors, throttle body, fuel pressure regulation, emissions control systems.
Bodywork:
Fairing removal and installation, seat, fuel tank cover, body panels, fasteners, mirrors, lighting fixtures.
Troubleshooting:
Diagnostic procedures, symptom analysis, common faults and their resolutions for all major systems.
Maintenance:
Scheduled maintenance, oil changes, filter replacements, spark plug replacement, chain adjustment, brake adjustments, coolant flush.
Repair:
Component repair and replacement, engine rebuilding, transmission repair, suspension overhaul, electrical component diagnostics and repair.
Rebuilding:
Detailed step-by-step instructions for complete engine and transmission rebuilds.
Refurbishment:
Guidance on restoring components to original specifications.
Restoration:
Comprehensive guidance applicable to thorough restoration projects.
Depth:
Comprehensive (from basic maintenance to full engine and transmission rebuilds, including diagnostics).
Diagnostic Tools:
Likely includes information on using standard motorcycle diagnostic tools, fault codes, and sensor readings.
Torque Specifications:
All critical torque values for engine, chassis, and electrical components provided.
Clearances:
Valve clearances, piston ring gaps, bearing clearances, etc.
Engine Type:
Four-stroke, liquid-cooled, DOHC, inline-four
Bore X Stroke:
81.0 mm x 63.0 mm
Horsepower:
Approx. 125 hp @ 8,800 rpm (claimed, may vary slightly by market/spec)
Torque:
Approx. 110 Nm (81 lb-ft) @ 6,500 rpm (claimed, may vary slightly by market/spec)
Fuel Delivery:
Electronic Fuel Injection (EFI), four throttle bodies
Fuel Type:
Unleaded gasoline, minimum 91 octane (RON+MON)/2 / 87 AKI recommended
Oil Type:
Suzuki recommends SAE 10W-40 API SG or SH grade
Oil Capacity With Filter:
Approx. 3.9 Liters (4.1 US qt)
Coolant Type:
Suzuki Long Life Coolant (or equivalent ethylene glycol-based coolant with distilled water, 50/50 mix)
Transmission Type:
Constant mesh, 6-speed, return type
Clutch Type:
Wet, multiple disc, hydraulic actuation
Final Drive:
O-ring sealed chain, 525 pitch
Gear Ratios:
Specific gear ratios available in the manual for each gear.
Display:
Analog tachometer, digital speedometer, fuel gauge, gear position indicator, clock, odometer, trip meters.
ABS:
Anti-lock Braking System (ABS) available as an option, significantly enhancing braking safety.
Charging Port:
No factory-installed USB or 12V charging port, but aftermarket installation is common and the manual would cover wiring modifications.
Oil Change Interval:
Every 4,000 km (2,500 miles) or 6 months, whichever comes first.
Oil Filter Change Interval:
Every 4,000 km (2,500 miles) or 6 months, whenever oil is changed.
Air Filter Inspection:
Inspect every 4,000 km (2,500 miles), clean or replace as needed.
Spark Plug Replacement:
Replace every 12,000 km (7,500 miles).
Valve Clearance Check:
Check every 12,000 km (7,500 miles).
Chain Lubrication:
Lubricate every 800 km (500 miles) or after riding in rain/wet conditions.
Chain Adjustment:
Check and adjust every 4,000 km (2,500 miles).
Brake Fluid:
DOT 4 recommended for both front and rear brake systems.
Coolant Specifications:
50% mixture of Suzuki Long Life Coolant and distilled water.
Common Wear Items:
Clutch plates, chain and sprockets, brake pads, fork seals, wheel bearings can be common wear items subject to riding style and maintenance.
Fuel Injection Tuning:
Some owners report potential minor fueling hiccups at specific throttle positions; the manual will provide diagnostic steps for injector and sensor issues.
Electrical Connectors:
As with many bikes of this era, checking and cleaning electrical connectors for corrosion can prevent minor electrical gremlins.
Brand Focus:
Suzuki has a long history of producing reliable and performance-oriented motorcycles, from sportbikes to cruisers.
Gsf Lineage:
The GSF line, including the Bandit series, has evolved from smaller displacement bikes to larger, more powerful models, emphasizing versatility and value.
1250 Introduction:
The 1250 Bandit was introduced as a successor to the popular 1200 Bandit, featuring a larger, fuel-injected engine for improved performance and emissions.
Manufacturing Location:
Primarily manufactured in Japan and/or Hungary by Suzuki Motor Corporation.
