Comprehensive Service & Repair: Suzuki Bandit 1250, GSF1250/S, GSF1250/A, GSF1250/SA (2007)

Suzuki Bandit 1250 (2007-2009) GSF1250/S/A/SA | Full Service Manual

Master your machine with the definitive 684-page factory service guide for the Suzuki GSF1250 series. This is not just a basic owner's manual; it is the comprehensive technical authority used by authorized Suzuki dealerships to perform everything from routine 600-mile services to complete engine overhauls.

Whether you own the classic "Naked" Bandit, the half-faired Sport version, or the ABS-equipped models, this manual provides the exact torque specs, wiring diagrams, and troubleshooting flows required to keep your 1255cc powerhouse running at peak performance.

Models Covered (2007-2009)

This guide covers all major international and US variants of the GSF1250 K7, K8, and K9 generations:

• Suzuki Bandit 1250 (GSF1250)
• Suzuki Bandit 1250S (GSF1250S) – Sport/Half-Faired model
• Suzuki Bandit 1250A (GSF1250A) – Naked with ABS
• Suzuki Bandit 1250SA (GSF1250SA) – Sport with ABS

Serial Number Locations for Identification

To ensure you are using the correct data for your specific bike, the manual helps you locate your unique identifiers:

• Frame Serial Number (V.I.N.): Stamped on the right side of the steering head pipe.
• Engine Serial Number: Located on the right side of the crankcase.
• V.I.N. Format Example: US models typically start with JS1GW72A... (GSF1250S) or JS1GW72B... (GSF1250SA).

Key Technical Value & Professional Insights:

• Comprehensive Engine Care: Step-by-step procedures for the 4-stroke, liquid-cooled DOHC engine, including valve clearance inspection (Standard: 0.10–0.30 mm) and cylinder identification (#1 to #4 from left to right).
• Advanced FI & Electrical Diagnosis: Complete breakdown of the Suzuki Diagnosis System (SDS). Learn how to use "Dealer Mode" to read DTC (Diagnostic Trouble Codes) like C28 (STVA malfunction) or C40 (ISC valve circuit issue).
• ABS System Specialist Section: Exclusive data for A and SA models, covering the Hydraulic Unit (HU), wheel speed sensor clearances (0.3–1.5 mm), and fail-safe function testing.
• Liquid Cooling System: Critical maintenance for the aluminum radiator, including thermostat testing (begins opening at approx. 180°F / 82°C) and water pump mechanical seal replacement.
• Chassis & Suspension: Specific fork oil levels (143mm for Naked / 144mm for S-models) and full torque specifications for every bolt from the engine sprocket nut (115 N-m) to the cylinder head bolts.

Why This Manual is Essential for Every Bandit Owner:

• Optimized for Mobile Use: Clean layouts and clear headings make it easy to read on your smartphone or tablet while working in the garage.
• DIY Maintenance Savings: Stop paying dealership labor rates for tasks like throttle body synchronization, drive chain adjustment, or brake fluid flushes (DOT 4 only).
• Safety First: Includes all official Suzuki "Warning" and "Caution" notices to prevent injury and avoid damaging sensitive electronic components like the ECM.

From the torque of a spark plug (11 N-m) to the internal gear ratios of the 6-speed constant mesh transmission, no detail is left out. Get the professional edge and ensure your Bandit 1250 remains the reliable, high-torque legend it was built to be.