1986-1992 Suzuki VS750GL / VS800GL Service Manual (408 Pages)

Complete V-2 engine service coverage with shaft drive, cooling system, fuel/carburetor specs, and electrical systems. Includes periodic maintenance, compression checks, and transmission procedures.

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Document Details

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Document Number / Seller:
23546 / Barbara Rodriguez
File Size:
104.19 MB
File Type:
PDF
Language:
English
Pages:
408
Printable:
Yes
Category:
Motorbike
Last updated / verified
Feb 1, 2026

Models Covered & Key Technical Specifications

Suzuki VS750GL, VS800GL — 1986–1992 Professional Applied Reference | VS Series Division.

  • Calibrated Displacement Data: 747 cm³ (45.6 cu. in) is measured at the engine cylinder volume Specifications.
  • Rated Compression Ratio: For optimal performance, 10.0:1 defines the combustion chamber pressure Limits.
  • Critical Fuel Capacity: 12.0 L (3.2 US gal) — maintains the main fuel storage quantity Protocol.
  • Universal Oil Volume: The engine requires 2.4 L (2.5 US qt) for standard lubrication Architecture.
  • Core Coolant Specification: System capacity reaches 1700 ml (1.8 US qt) operational tolerance Norms.
  • Standard Wheelbase Data: Distance between front and rear axles measures 1545 mm (61.0 in) Bounds.

Professional Workshop Service Manual & Technical Specifications

Thorough Reference Manual: Motorcycle Comprehensive Repair Manual: Suzuki VS750GL, VS800GL (1986-1992) Powertrain-Manual

Procedure-Type: Suzuki VS750GL, VS750GLG (1986), VS750GLH (1987), VS750GLJ (1988), VS750GLK (1989), VS750GLFL (1990), VS750GLFM (1991), VS800GLN (1992) // Conceptual-Layout: Service procedures and system specifications Logic // Asset-ID: Complete OHC V-twin engine, liquid-cooled powerplant, shaft drive transmission.

Component System Documentation Focus Reference Material
Engine Architecture Compression testing, disassembly/reassembly procedures Complete specifications provided
Transmission Gear Systems Shift fork clearance, drive/driven gear assemblies Documented selection tables
Shaft Drive Assembly Secondary and final bevel gear construction Backlash and tooth contact guidance

The documentation is partitioned into systematic sections addressing engine removal and installation, detailed disassembly sequences, component inspection methods, and reassembly protocols, alongside comprehensive coverage of cooling system circulation, fuel delivery and carburetor balancing, electrical charging and starting systems, and chassis/suspension maintenance.

Accurately demanding technical specification resources are included throughout. The manual provides engine rebuild procedures for V-twin four-stroke configurations with emphasis on crankshaft selection, bearing clearance verification, and connecting rod assembly. Drivetrain specifications are addressed in transmission sections covering gear ratios, synchronizing cable adjustment, and carburetor balancing techniques for dual Mikuni carburetors. Reassembly procedures are specified for cylinder head installation, valve rocker arm setup, and camshaft timing alignment. Service intervals are documented for periodic maintenance requirements including battery inspection, spark plug replacement, and final gear oil renewal. Component locations are identified for oil filter access, brake system servicing, and front fork assembly disassembly.

The manual documents torque specifications for engine mounting bolts to ensure proper powertrain integrity and secure installation of critical fasteners throughout the chassis assembly.

Document Organization Chapter Categories System Coverage
Periodic Maintenance Battery service, air cleaner cleaning, valve clearance inspection 24-month service intervals
Engine Systems Compression checks, clutch operation, generator function Full disassembly and inspection data
Cooling and Fuel Thermostat operation, radiator pressure testing, carburetor construction Coolant mixture specifications
Electrical and Chassis Ignition coil testing, steering adjustment, brake pad inspection Switch continuity and bearing specifications

Consistent reference tables accompany procedures for bolt tightening sequences, spark plug selection criteria, and brake system specifications. The material includes special lubricants and adhesives documentation, covering moly paste application, thread lock compounds, and bearing grease recommendations for component preservation. Wiring diagrams and lubrication flow charts depict oil passages through camshaft journals, crankshaft bearings, and transmission gear trains. The cooling system section describes water pump construction, thermostat valve operation thresholds, and fan motor engagement control logic. Fuel system content encompasses pump relay function, float height adjustment procedures, and idle speed calibration methodology using vacuum-based carburetor balancer equipment. Complete electrical system documentation covers AC generator output verification, regulator/rectifier function, starter motor carbon brush inspection, and battery charging protocols with specific gravity guidance.

FAQ

What values are **calibrated** for the system architecture? keyboard_arrow_down

14—15V DC at 5,000 r/min is the standard charging output required for the charging system to maintain proper battery voltage regulation without overcharging.

Assess the **applicable** tool requirements? keyboard_arrow_down

09900-25002 Pocket tester is the standard diagnostic instrument used for resistance measurement, ignition coil continuity checks, and electrical system inspection throughout this motorcycle.

What components have **exact** electrical values specified? keyboard_arrow_down

12V 57.6 kC (16 Ah)/10HR battery capacity with 1.28 S.G. at 20°C is the factory-specified electrical storage component that must be installed for this V-twin motorcycle platform.

Confirm the **specific** calibration settings? keyboard_arrow_down

110°C (230°F) is the thermo-switch closing temperature at which the cooling fan motor automatically engages to regulate engine coolant temperature and prevent thermal stress.

What tools are **designated** for clearance measurements? keyboard_arrow_down

0.030—0.640 mm (0.001—0.025 in) backlash specification is the critical final gear clearance that must be measured with backlash gauge 09924-34510 and adjusted through selective shim installation in the shaft drive assembly.

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Reviews (2)

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I found this service manual incredibly helpful for maintaining my motorcycle. The troubleshooting section saved me a lot of time. Customer support was quick to respond to my queries, making the whole experience very professional. Thumbs up!
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This manual has been a lifesaver for my VS750GL! The detailed diagrams and instructions made complex repairs straightforward. Plus, the download process was seamless and I received the link almost instantly. Highly recommend!