1984-1986 Suzuki GSX-R400 Service Manual (245 P.)
Technician-level documentation for engine overhaul, transmission rebuild, chassis service: liquid-cooled DOHC, TSCC combustion, anti-dive suspension, complete ignition diagnostics. AISAN carburetors, electronic cooling fan control.
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Sample pages from the 1984-1986 Suzuki GSX-R400 Service Manual (245 P.) manual
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Suzuki Models Covered & Key Technical Specifications
Models: Suzuki GSX-R400 (GK71B)
Build Years: 1984–1986
Serial Numbers: K701-107492
Technical Data:
- Engine: Four-stroke, water-cooled, DOHC
- Displacement: 398 cm³
- Number of cylinders: 4
- Bore x Stroke: 53.0 mm x 45.2 mm
- Compression ratio: 11.3:1
- Transmission: 6-speed constant mesh
- Fuel tank capacity: 18 L (Reserve 3.5 L)
- Engine oil capacity: 2.6 L (Oil change), 3.0 L (Filter change), 3.3 L (Overhaul)
- Cooling system capacity: 2 185 ml
- Dry mass: 157 kg
- Front tire: 100/90-16 54H
- Rear tire: 110/90-18 61H
Suzuki Manual Features & Content Preview
Suzuki GSX-R400 1984–1986 Factory Service Documentation
- Covers 1984–1986 Suzuki GSX-R400 (GK71B) sportbike models, documenting technical specifications, maintenance procedures, and component overhaul requirements.
- Original OEM publication P/N 99500-33000-01E, first edition covering the GSX-R400 series.
- Contains 8 major sections including engine overhaul, cooling system, transmission, chassis, and electrical specifications.
- Stored against your account so you can retrieve it after a hard-drive loss.
- Suitable for printing individual sections for shop-floor use.
- This 245-page publication provides the factory-authorized engine disassembly, cam timing, and chassis clearance values essential for servicing the GK71B engine series.
Detailed Technical Scope
The 1984–1986 Suzuki GSX-R400 service manual provides structured documentation for the maintenance and repair of the GSX-R400 engine and chassis. Chapters cover periodic service intervals, engine disassembly techniques, fuel and lubrication systems, cooling system architecture, electrical system diagrams, and chassis component servicing. The documentation details inspection parameters for pistons, cylinders, clutch assemblies, and transmission gears, alongside specialized torque specifications for critical fasteners.
Specification Highlights
This 1984–1986 Suzuki GSX-R400 manual includes essential reference data for maintaining peak engine and chassis performance. Intake and exhaust valve clearance is specified at 0.13–0.18 mm in the maintenance table. Cooling system capacity for the GSX-R400 is documented at 2 185 ml. The Suzuki GSX-R400 cylinder head nut torque is documented as 25–29 N·m for proper assembly. Reference this factory workshop manual for full tolerance charts and diagnostic data. Note: Reference only — always consult a certified technician before performing service on this equipment. An official 245-page Suzuki OEM workshop manual covering the 1984–1986 GSX-R400, documenting engine, chassis, electrical, and cooling system specifications for the GK71B-series build.
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