2001–2002 Suzuki Bandit GSF1200/GSF1200S Service & Repair Manual (P/N 99500-39201-01E)

This Suzuki factory service manual (P/N 99500-39201-01E) covers the 2001–2002 Bandit GSF1200 and GSF1200S, including K1/SK1 and K2/SK2 variants. The GSF1200SK1 base manual is followed by separate GSF1200K1 and K2/SK2 update chapters.

Text search and diagram navigation: Searchable text and embedded chapter bookmarks cover the main manual and both update sections. Small wiring labels require zooming for comfortable reading.

• Engine repair: Engine removal, internal disassembly, cylinder-head service, valve adjustment, camshaft timing, crankshaft bearing selection, and compression and oil-pressure checks.

• Transmission and clutch: Transmission inspection, gearshift linkage service, clutch plate inspection, release-cylinder repair, clutch master cylinder rebuilding, and hydraulic clutch bleeding.

• Fuel and emissions: Mikuni BSR36SS carburetor overhaul and synchronization, throttle position sensor checks, PAIR air-supply testing, and California evaporative-emission maintenance references.

• Brakes and chassis: Brake caliper and master cylinder repair, brake fluid replacement, telescopic front fork overhauls, steering-bearing service, and swingarm linkage inspection.

• Electrical diagnosis: Digital ignitor troubleshooting, starter motor inspection, charging-system tests, side-stand interlock checks, wiring diagrams, and wire harness routing.

• Maintenance and specifications: Periodic maintenance schedules, drive chain lubrication, suspension settings, component-specific torque tables, fluid capacities, wear limits, and electrical test specifications.

Suzuki wrote this manual for people with the knowledge, skills, and tools, including special tools, needed to service its motorcycles; general mechanical basics are not covered.

Model and Market Differences

The GSF1200K1 chapter covers UK and European versions, with separate headlight, headlight housing, combination meter, wiring, and front brake hose information. The K2/SK2 chapter provides separate service-data tables and wiring layouts for the unfaired and faired models.

Carburetor ID codes 32F0, 32F1, and 32F2 distinguish market specifications. UK carburetor heaters and their thermo-switch have dedicated checks. California E-33 coverage includes evaporative-emission maintenance references and fuel-tank breather-hose routing.

SACS Engine and Transmission Repair

Internal engine work extends to valve-guide replacement, valve-seat cutting, piston and bore inspection, and crankshaft and connecting-rod bearing selection. The Engine Lubrication System Chart and Cylinder Head Cooling System Chart support the oil-cooler, oil-passage, and oil-jet service sections.

Transmission cross-sections show gear, bushing, washer, and circlip placement. Clutch assembly instructions distinguish similar drive plates and diaphragm-spring orientation. The oil pump is inspected and replaced as an assembly; the manual does not provide an internal pump rebuild procedure.

The camshaft reassembly section warns that uneven tightening of the journal holders can damage the cylinder head or holder thrust surfaces.

Carburetor Inspection and Synchronization

Service of the four Mikuni BSR36SS carburetors covers float-height adjustment, needle-valve inspection, individual fuel circuits, and throttle position sensor positioning. The synchronization procedure also explains calibration of the carburetor balancer, Suzuki tool 09913-13121.

A specific disassembly caution addresses diaphragm damage from compressed air applied while the diaphragm is still installed.

Charging, Starting, and Ignition Faults

Charging-system troubleshooting charts accompany generator, rectifier, and IC regulator checks. The starter and side-stand ignition interlock circuit diagrams and the Ignition System (Digital Ignitor) diagram show how the associated switches and ignition components connect.

Signal-generator peak-voltage comparisons at the pickup and ignitor connectors help distinguish a harness fault from a pickup fault before components are replaced. The electrical procedures specify a multi-circuit tester 09900-25008 and a peak-voltage adaptor.

Forks, Suspension, and Hydraulic Controls

Fork repair includes cartridge bleeding and seal replacement, with model and market differences in oil level and installation height. Suspension settings cover front and rear spring preload and rear rebound damping. The rear shock absorber is treated as a non-serviceable assembly.

Brake and hydraulic-clutch procedures cover cylinder bores, pistons, and seals as well as bleeding. Fuel handling, ignition testing, and pressurized rear-shock work require the manual's specific safety precautions.

English PDF with Included Model Updates

One printable 368-page PDF contains 313 pages in Chapters 1–7, including one notes page; the 20-page GSF1200K1 update; the 29-page K2/SK2 update; four cover/front-matter pages; one publication page; and one back cover. All model updates and supplementary pages are already included in the total.