1972-1978 Suzuki GT 380 Service Manual

Shop manual for the Suzuki GT 380 motorcycle covering engine, carburetor, body, and electrical systems. Includes detailed diagrams and troubleshooting tips. Ref: 99000-31010.

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Suzuki Models Covered & Key Technical Specifications

Models: Suzuki GT 380
Trade Names: GT380, Suzuki CCI
Build Years: 1972–1978
Technical Data:

  • Engine displacement: 371 cc
  • Engine configuration: 2-cycle, 3-cylinder, air-cooled, piston-valve engine
  • Maximum horsepower: 38 hp @ 7,500 rpm
  • Transmission: 6-speed, constant mesh, wet multi-disc clutch
  • Ignition timing: 3.0 mm B.T.D.C.
  • Fuel tank capacity: 15.0 liters (4.0 US gal)
  • Dry weight: 171 kg (377 lbs)
  • Electrical system: 12V 7AH battery, 15A fuse, alternator generator
Technical Specifications
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Document Number / Seller:
26222 / Jennifer Gomez
File Size:
22.58 MB
File Type:
PDF
Language:
English
Pages:
61
Printable:
Yes
Category:
Bike
Last updated / verified
Mar 10, 2025

Suzuki Manual Features & Content Preview

1972–1978 Suzuki GT 380 Service Manual Coverage

  • Covers the 1972–1978 Suzuki GT 380, featuring the 371 cc air-cooled three-cylinder two-stroke engine and 6-speed transmission configuration
  • Original OEM publication, part number 99000-31010, produced for export service departments
  • Contains 26 exploded-view diagrams, complete electrical wiring schematics, and extensive torque specification tables
  • Delivered as a direct download the moment payment clears
  • Permanent availability in your purchase account — no re-buy required
  • Laid out for standard letter and A4 printing
  • Indexed PDF search covers every chapter and appendix
  • This 1972–1978 edition remains the primary reference source for mechanical maintenance, tuning, and lubrication procedures for the GT380 air-cooled triple

Document Structure and Technical Overview

This 1972–1978 Suzuki GT 380 workshop manual organizes maintenance data into thematic chapters. The opening sections detail engine removal and major disassembly, followed by technical descriptions of the Suzuki CCI lubrication system and the RAM AIR cooling system. Subsequent chapters focus on carburetor overhauling, synchronizing, and fuel level adjustment for the VM24SC carburetors. Further sections explore the internal transmission mechanisms, kick-starter assembly, and electrical components including alternator testing, ignition system timing, and wiring layouts.

Engine and Chassis Specifications

Performance parameters are cataloged throughout the text, providing baseline values for maintenance and inspection. Cylinder head bolt torque values are documented in a multi-stage sequence, with final-stage specifications of 350 kg-cm. The 1972–1978 Suzuki GT 380 spark plug gap is adjusted to 0.35 mm as specified in the electrical section. Primary crankshaft oil seals and bearing clearances are included in the engine assembly data. Understanding factory workshop documentation is structured for this classic motorcycle allows technicians to perform accurate service work using the correct diagnostic tools. The fuel system maintenance guide for this unit highlights specific carburetor jetting and synchronization procedures for optimal operation. This official Suzuki OEM service manual provides mechanical, electrical, and structural specifications for the 1972–1978 Suzuki GT 380, serving as the definitive technical reference for the air-cooled three-cylinder motorcycle series.

Manual FAQ, Purchase & Download Details

Is the Suzuki GT 380 manual for 1972 through 1978 models covered in this document? keyboard_arrow_down

Service manual provides comprehensive information and technical data for the Suzuki GT 380 series produced between 1972 and 1978. It serves as a detailed reference for those specific model years.

Can I find lubrication system charts and oil capacity details in this service publication? keyboard_arrow_down

Yes, the specification tables contain data regarding engine and gearbox oil capacities along with recommended lubrication system information.

Does the document provide technical references for the engine assembly or performance curves? keyboard_arrow_down

Publication includes performance curves for engine and motorcycle operation alongside detailed specifications. It also features chapter sections covering the engine, clutch, and transmission systems. These chapters reference mechanical layouts and general component information relevant to the GT 380 model.

Are there exploded views or assembly illustrations available within the engine chapters? keyboard_arrow_down

Manual contains various exploded views, engine diagrams, and component breakdown illustrations to show the internal layout of the systems.

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