Target Audience:
Suzuki GSX250F 1994 owners, mechanics, and DIY enthusiasts.
Value Proposition:
Essential resource for maintaining, repairing, and troubleshooting the 1994 Suzuki GSX250F, enabling cost savings and proper vehicle upkeep.
Manual Advantage:
Factory-derived information ensures accuracy and completeness often exceeding aftermarket alternatives.
Detail Level:
Provides explicit instructions, diagrams, and specifications crucial for intricate repair tasks.
Readability:
Designed for clarity, with sequential steps and visual aids, making complex procedures accessible.
Engine Mechanical:
Complete disassembly, assembly, inspection, and overhaul procedures for the engine.
Fuel System:
Carburetor tuning, fuel pump, fuel lines, and tank maintenance.
Ignition System:
Spark plugs, ignition coils, CDI unit, timing checks.
Cooling System:
Radiator, fan, coolant, hoses, and thermostat.
Transmission:
Clutch operation, gear selection, gearbox disassembly and assembly, fluid checks.
Drivetrain:
Chain and sprockets maintenance, rear wheel hub.
Suspension:
Front forks (including oil level and seal replacement), rear shock absorber adjustment and replacement.
Brakes:
Front and rear brake system diagnosis, caliper service, pad replacement, hydraulic system bleeding, master cylinder overhaul.
Electrical System:
Wiring diagrams, lighting circuits, charging system (stator, regulator/rectifier), starter motor, battery maintenance, fuses.
Chassis And Frame:
Frame inspection, steering head bearing service, swingarm pivot maintenance.
Bodywork And Trim:
Fairing removal and installation, seat, fuel tank, and other body panel procedures.
Routine Maintenance:
Oil changes, filter replacements, chain lubrication and adjustment, spark plug checks, air filter cleaning/replacement.
Troubleshooting:
Diagnostic guides for common issues, symptom-based problem solving.
Disassembly And Assembly:
Step-by-step instructions for removing and reinstalling all major components and sub-assemblies.
Repair And Rebuild:
Detailed instructions for rebuilding engine components, carburetors, brake calipers, and other wearable parts.
Adjustments:
Carburetor synchronization, idle speed adjustment, clutch and brake lever free play, suspension settings.
Technical Specifications:
Torque values, clearances, fluid capacities, electrical resistance values.
Depth:
Comprehensive, suitable for complete engine rebuilds and advanced diagnostics.
Engine Type:
Inline 4-cylinder, 4-stroke
Bore X Stroke:
53.0 mm x 51.0 mm (estimated, standard for this engine family)
Compression Ratio:
11.5:1 (typical for this model)
Valve Train:
DOHC, 16 valves (4 per cylinder)
Cooling System:
Liquid-cooled
Horsepower:
Approximately 35-38 PS (25.7-27.9 kW) at 11,500 rpm (estimated)
Torque:
Approximately 2.3 kgf·m (22.5 Nm) at 9,000 rpm (estimated)
Carburetion:
Four Mikuni VM22 (or similar) constant velocity carburetors
Fuel Tank Capacity:
13.0 Liters (approx.)
Fuel Type:
Unleaded gasoline, minimum 91 octane
Type:
Constant mesh 6-speed, sequential return
Final Drive:
O-ring sealed chain
Gear Ratios:
Detailed gear ratios available in the manual for each gear.
Transmission Oil Type:
Suzuki Gear Oil API GL-4, SAE 80W-90 (typical recommendation)
Transmission Oil Capacity:
Approximately 1.2 Liters (refer to manual for exact quantity)
Safety Standards:
Adheres to general motorcycle safety standards of the era. No formal crash test ratings for motorcycles.
Braking System:
Hydraulic disc brakes front and rear for effective stopping power.
Lighting:
Halogen headlight, taillight, brake lights, and turn signals for visibility.
Frame Construction:
Steel diamond frame providing structural integrity.
Tires:
Tubeless tires (typical for the period) for improved puncture resistance.
Oil Change Interval:
Every 4,000 km or 6 months, whichever comes first (typical recommendation).
Air Filter Cleaning:
Every 4,000 km or 6 months (recommendation).
Spark Plug Replacement:
Every 12,000 km (typical recommendation for NGK CR9E or similar).
Chain Maintenance:
Lubricate and adjust chain every 1,000 km.
Engine Oil Type:
API SG or higher, SAE 10W-40 motorcycle oil
Engine Oil Capacity:
1.8 Liters without filter change, 2.0 Liters with filter change (refer to manual for exact amount).
Coolant Type:
Ethylene glycol-based antifreeze mixed with distilled water (50/50 ratio).
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid.
Carburetor Issues:
Potential for carburetor synchronization drift, sticky slides, or fuel delivery issues over time, requiring cleaning and tuning.
Electrical Connections:
Corrosion or looseness in electrical connectors can lead to intermittent faults.
Suspension Seals:
Front fork seal leaks can occur with age and mileage, necessitating seal replacement.
Cam Chain Tensioner:
The automatic cam chain tensioner can sometimes wear, leading to ticking noises from the engine.
Suzuki Legacy:
Suzuki has a long and storied history in motorcycle manufacturing, known for performance and reliability in various classes.
Gsx Lineage:
The GSX designation signifies Suzuki's performance-oriented sportbikes. The GSX250F represented a popular entry-level sportbike of its era.
Competitors:
Competed with other 250cc sportbikes from manufacturers like Kawasaki (GPX250-R), Honda (CBR250RR), and Yamaha (FZR250).
Production Period:
Produced during the early to mid-1990s.
Market Segment:
Sportbike, sport-touring segment.
