The Suzuki RG250 Gamma, produced in 1983 and 1984, is a significant model in the performance sportbike segment. As one of the first mass-produced liquid-cooled 250cc sportbikes, it revolutionized the class with its race-replica styling and agile handling. Powered by a 247 cc parallel-twin, two-stroke engine, the RG250 Gamma offered approximately 45 horsepower, making it a potent machine for its era. Its engineering quality is evident in its robust chassis, advanced liquid cooling system, and reliable 6-speed transmission. This model represents a key innovation in motorcycle design, delivering an exhilarating riding experience. This service repair manual provides comprehensive guidance for the Suzuki RG250 Gamma (1983-1984). It covers all styles and offers factory-level information for owners, DIY enthusiasts, and professional mechanics. The manual details essential maintenance procedures, including scheduled service, fluid changes, and inspections, alongside step-by-step repair instructions for all major systems such as the engine, fuel system, drivetrain, chassis, and electrical system. Troubleshooting guidance and complete disassembly/reassembly procedures are also included, supported by hundreds of photos and illustrations. This resource is designed to be an invaluable tool for maintaining and repairing your RG250 Gamma, saving on labor costs and ensuring optimal performance. 🏷️ Basic Information Identification Make: Suzuki Model: RG250 Gamma Model Year: 1983, 1984 Codes Chassis Codes: RG250EC (1983), RG250ED (1984) Engine Codes: RG250, GR72A 👋 Introduction Market Position Target Audience: Suzuki RG250 Gamma owners, DIY enthusiasts, professional motorcycle mechanics Value Proposition: Inexpensive and convenient way to maintain and repair the vehicle, saving on labor costs Competitive Analysis Comparison To Print: More affordable and convenient than traditional paper manuals Key Features Access Method: Instant PDF download, accessible on multiple devices Updates Licensing: No expiry dates, complete information package 📋 Manual Details Coverage Areas Primary Coverage: Suzuki RG250 Gamma (1983-1984) Styles Covered: All styles Page Count Estimated Pages: Hundreds Manual Type Type: Factory Service Repair Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Top end, lubrication system, removal/installation Fuel System: Carburetors, fuel delivery Cooling System: Liquid cooling system Drivetrain: Clutch, crankshaft, transmission, final drive Chassis: Wheels, tires, brakes, suspension, steering, frame Electrical System: Ignition, lighting, charging system, wiring diagrams Procedures Included Maintenance: Scheduled maintenance, fluid changes, inspections Repair: Step-by-step repair instructions for all covered systems Troubleshooting: Diagnostic procedures and common issue resolution Disassembly Assembly: Complete disassembly and reassembly guidance Technical Depth Depth: Detailed, comprehensive factory-level information for DIY and professional mechanics Illustrations: Hundreds of photos and illustrations 📊 Manual Specifications File Format Compatibility: Windows, Mac, Smartphones, Tablets (via web browser or PDF Reader) Software Requirements: Adobe PDF Reader, Winzip (free) Print Quality Printability: Fully printable Binding Type Binding: Digital (PDF) - No physical binding Paper Type Paper Type: N/A (Digital format) ⚙️ Engine Specifications Primary Engine Type: 2-stroke, liquid-cooled, reed valve induction Configuration: Parallel-twin Displacement: 247 cc Bore X Stroke: 54.0 x 54.0 mm Performance Horsepower: 45 hp @ 9,000 rpm (approximate, varies by market) Torque: 3.6 kg-m @ 8,000 rpm (approximate, varies by market) Fuel System Carburetors: Mikuni VM26SS (twin) Fuel Type: Unleaded gasoline (minimum 91 octane recommended) Oil Delivery: Suzuki C.C.S. (Clean Cycle System) oil injection 🔧 Transmission Standard Type: 6-speed constant mesh Optional Optional Transmissions: N/A (standard 6-speed) Features Clutch Type: Wet, multi-plate Final Drive: O-ring sealed chain 📐 Dimensions Exterior Length: Approx. 2000 mm Width: Approx. 700 mm Height: Approx. 1120 mm Weights Dry Weight: Approx. 135 kg Wet Weight: Approx. 148 kg 🛡️ Safety Features Ratings Safety Ratings: N/A (motorcycle, not subjected to automotive crash testing) Active Features Braking System: Front: Disc brake; Rear: Disc brake Passive Features Lighting: Halogen headlight, taillight, turn signals 💡 Technology Features Infotainment Infotainment System: N/A (Basic motorcycle instrumentation) Driver Assistance Driver Assistance Features: N/A Connectivity Connectivity Features: N/A 🔧 Maintenance Service Intervals Oil Change: Refer to manual for specific intervals (typically every 3,000-5,000 km) Spark Plug Check: Refer to manual (typically every 3,000-6,000 km) Chain Lubrication: Every 500-1000 km, or after washing/wet riding Fluid Specifications Coolant: Ethylene glycol based coolant (50% mix with distilled water) 2-Stroke Oil: API-TC, JASO FD certified 2-stroke oil (for oil injection system) Brake Fluid: DOT 3 or DOT 4 (refer to manual for specific type) Transmission Oil: Suzuki Gear Oil API GL-4, SAE 80W-90 (1.3 L capacity) Known Issues Common Issues: Carburetor synchronization, power valve operation (if equipped on later models), aging electrical components, crank seals, clutch wear. 📚 Vehicle History Brand Heritage Manufacturer: Suzuki Motor Corporation Segment: Performance sportbike Model Evolution Introduction Year: 1983 Key Innovation: One of the first mass-produced liquid-cooled 250cc sportbikes, known for its handling and race-replica styling. Update 1984: Minor revisions, chassis code change (RG250ED) Production Production Period: 1983-1987 (with later iterations and variations) 🏆 Awards & Recognition Recognitions Awards: N/A (Consumer awards not typically tracked for this era of motorcycle)