1982-1983 Suzuki GN250 Service Manual

Shop manual for the 1982-1983 Suzuki GN250 featuring detailed diagrams, component information, and maintenance procedures. Includes part numbers for easy identification.

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Document Details

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Document Number / Seller:
24610 / Stephanie Harris
File Size:
26.43 MB
File Type:
ZIP
Language:
English
Printable:
Yes
Category:
Bike
Last updated / verified
Feb 20, 2026

Models Covered & Key Technical Specifications

Suzuki GN250 (99011-37530) - 1982-1983 Shop manual for 1982-1983 Suzuki GN250 with detailed diagrams, component information, and maintenance procedures. Includes part numbers for easy identification. | Series Suzuki Toolkit

  • Established Assembly Gap: 1.0 mm establishes the required clearance for proper operation Standards.
  • Operational Load Capacity: For efficient power transfer, 1300 ml signifies the engine oil capacity Matrix.
  • Certified Factory: 250 cc -- signifies the engine displacement Threshold.
  • Factory Size Parameters: The drive chain requires 324.2 mm for optimal performance Standards.
  • Approved Running Clearance: Maximum throughput reaches 1000 km for routine maintenance Protocol.
  • Measured Assembly Gap: 2.0 mm is required for the brake fluid reservoir Level.

Professional Workshop Service Manual & Technical Specifications

Advanced Instructional Factory Manual: Suzuki 1982-1983 GN250 service manual Operations-Manual

Architecture-Focus: 1982-1983 Suzuki GN250 // Model-Portfolio: Bike / Engine Logic // Architecture-Focus: Workshop Manual.

TOP

Assessment-Parameter Diagnostic-Logic Calibration-Data
Engine Specifications 250 cc, 4 Valve, 4-stroke, air-cooled, OHC 8.9:1 Compression Ratio
Transmission Details 5-speed constant mesh Wet multi-plate type
Chassis Dimensions 2035 mm Overall Length 120 mm Overall Width
Electrical System Transistorized Ignition 15A Fuse
Braking System Disc Type Front Brake Drum Type Rear Brake

Organized into dedicated modules for:

General Information

Periodic Maintenance and Tune-Up Procedures

Servicing Engine

Fuel and Lubrication System

Electrical System

This manual documents maintenance, troubleshooting, and repair procedures for the 1982-1983 Suzuki GN250. It covers all major systems, including the engine, transmission, chassis, and electrical components. The document includes detailed diagrams, specifications, and step-by-step instructions to guide technicians through various service tasks. Additionally, it details special tools and torque specifications required for proper maintenance.

Maintenance Procedures

Factory specifications are documented for routine maintenance schedules and procedures. This section details checks and replacements for components like the battery, air cleaner, spark plug, and fuel strainer, ensuring the motorcycle operates at peak performance.

Engine Rebuild Procedures

Engine rebuild procedures are documented for comprehensive overhauls. This includes detailed steps for disassembling and reassembling the upper and lower end components, such as the cylinder head, piston, crankshaft, and transmission, referencing specific torque values for critical fasteners.

Drivetrain Specifications

Drivetrain specifications are addressed in this section, covering the clutch, drive chain, and gear shifting mechanisms. It provides inspection criteria and adjustment procedures to maintain optimal drivetrain function and longevity.

Reassembly Procedures

Reassembly procedures are specified for all major components, following disassembly. This ensures correct installation and alignment, crucial for the longevity and performance of the Suzuki GN250.

Service Intervals

Service intervals are documented for all regular maintenance tasks, helping owners and technicians stay on schedule with upkeep. This includes recommended intervals for oil changes, filter replacements, and various inspections.

FAQ

What **documented** safety precautions are listed for handling the battery? keyboard_arrow_down

1.22 at 20°C (68°F) is the standard specific gravity. Before charging, ensure the battery is in a rundown condition; otherwise, severe damage may occur. Do not recharge if the electrolyte is too high.

Confirm the **precise** lubrication requirements for the engine. keyboard_arrow_down

SAE 10W/40 SE or SF is the recommended oil grade. The engine oil capacity is 1300 ml for a standard change, 1400 ml with filter change, and 1700 ml for an overhaul.

What tools are needed for **proper** testing parameters of the ignition system? keyboard_arrow_down

09900-25002 is the part number for the pocket tester required for inspecting the ignition coil and ignitor unit. An electro tester (09900-28106) is also needed for ignition coil testing.

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This manual has been a lifesaver for my Suzuki GN250. The sections are well-organized and easy to follow. I also appreciated the quick email response when I had a question about my download link. Highly recommend!