Suzuki GSX1100, GS1150 manual, 1980-1987 models

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Document Details

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Document Number / Seller:
31514 / Rebecca Bell
File Size:
44.23 MB
File Type:
ZIP
Language:
English
Pages:
306
Printable:
Yes
Category:
Motorbike
Last updated / verified
Feb 11, 2026

Models Covered & Key Technical Specifications

  • Suzuki GSX1100 (1980-1987)
  • Suzuki GS1150 (1980-1987)
  • Suzuki GSX1100E (1982 – 1987)
  • Suzuki GSX1100ES (1983 – 1987)
  • Suzuki GSX1100EF (1984 – 1987)
  • Suzuki GS1150E (1984 – 1986)
  • Suzuki GS1150EF (1984 – 1986)

Professional Workshop Service Manual & Technical Specifications

Suzuki GSX1100 / GS1150 Factory Spec & ID Reference (1980–1986)

Built for fast model matching

Coverage centers on Suzuki GSX1100 and GS1150 applications across 1980–1986, with model-code separation that helps confirm you’re looking at the right variant before you invest time in details. Key identification points (VIN and engine serial locations) sit alongside baseline specification pages, so fit can be validated quickly.

Fit snapshot (model + spec anchors)

  • Make/coverage: Suzuki — 1980, 1981, 1982, 1983, 1984, 1985, 1986
  • Model family: GSX1100 and GS1150, including GSX1100E/ES/EF (+F/G suffixes) and GS1150E/EF/ESF/EFF (+G/FG)
  • VIN stamping location: steering head pipe
  • Engine serial location: right side of crankcase
  • Fuel baseline: 85–95 octane or higher (unleaded/low-lead noted)
  • Oil baseline: API SE or SF, SAE 10W/40 viscosity reference

Key specifications (from the spec section)

Spec point Value Notes
Displacement 1135 cm³ DOHC, air-cooled, 4-cylinder
Bore × stroke 74.0 mm × 66.0 mm
Compression ratio 9.7:1
Fuel tank / reserve 20.0 L / 4.9 L capacity listing includes reserve
Electrical baseline 12V battery (14 Ah/10HR) / fuses 10/10/10/10/15A transistorized ignition noted

Covered variants and identification boundaries

The application list differentiates multiple sub-models under the GSX1100 and GS1150 umbrella (E/ES/EF/ESF/EFF/EG/ESG/EFG plus GSX1150EFG). That model-code granularity is especially useful when cross-checking chassis and engine identifiers, since the VIN and engine-serial reference points are explicitly called out for confirmation.

Technical anchors you can cross-reference quickly

The specification pages include a compact set of “hard numbers” that work well as quick-fit signals: overall dimensions (length 2240 mm, height 1140 mm, wheelbase 1500 mm, ground clearance 155 mm) and dry mass (232 kg). Chassis tire sizing is listed as 110/90 V16 (front) and 130/90 V17 (rear), with normal solo riding pressures shown as 250 kPa front and 250 kPa rear. Electrical references include ignition timing baselines (10° B.T.D.C. below 1,500 r/min and 32° B.T.D.C. above 3,500 r/min) and spark plug families (NGK D9EA / DENSO X27ES-U for specified markets; NGK DR8ES / DENSO X27ESR-U for others), plus generator type (three-phase A.C. generator).

FAQ

**Which 1980–1987 street configurations are supported in the Suzuki GS archive?** keyboard_arrow_down

A: This official service manual provides exhaustive mechanical documentation for the Suzuki GSX1100 and GS1150 model variants. It specifically addresses the diagnostic requirements for the 1980–1987 production range, ensuring all technical values for GSX1100E/ES/EF and GS1150E/EF architectures are fully recorded across 306 pages.

**How do I perform effective engine disassembly and cylinder head service?** keyboard_arrow_down

A: Identify the exact engine removal protocols and valve clearance specifications within the specialized engine sections to isolate performance failures. The manual provides a systematic roadmap for cylinder disassembly and linkage adjustment, enabling technicians to identify root causes with factory-certified precision for the 1100cc through 1150cc series.

**Determine the necessary steps for maintaining the transmission and suspension?** keyboard_arrow_down

A: Identify the precise gearshift mechanism benchmarks and final drive inspection protocols within the technical groups to maintain vehicle reliability. The documentation guides technicians through the complete diagnostics of the front/rear suspension and transmission assemblies, providing authoritative instructions for troubleshooting drivetrain-related hardware across the Suzuki lineup.

**Identify the electrical system diagnostics and wiring schematic locations?** keyboard_arrow_down

A: Vault-ID "Suzuki GSX Electrical Reference" is essential for troubleshooting charging systems, ignition timing, and integrated electronics as detailed in the wiring diagrams. The technical data provides expert insights into battery maintenance and electrical fault isolation, facilitating more effective troubleshooting within the motorcycle's complex electrical network.

**What are the key technical specifications for fuel system and brake overhaul?** keyboard_arrow_down

A: Repository-ID "Bell Technical Library" must be used to verify carburetor settings, fuel pump pressures, and brake adjustment benchmarks found in the factory-style guide. The handbook encompasses the entire service journey, providing critical protocols for periodic maintenance and frame inspection to extend equipment life and ensure safe operation for the 1987 Suzuki GSX1100EF.

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This service manual is incredibly detailed and well-structured. The download process was smooth, and I received my link almost instantly. Highly recommend for anyone looking to maintain their bike!