Target Audience:
Owners and independent repair shops of the Suzuki GS250FWS/GS250S models seeking factory-level repair information.
Model Segment:
Lightweight sportbike / naked sportbike (depending on specific FWS/S designation, FWS often implies a faired version).
Alternative Resources:
Dealer service departments, third-party repair shops, generic motorcycle repair guides (less specific).
Delivery Method:
Instant digital download, eliminating shipping time and costs.
Cost Effectiveness:
Promoted as a lower-cost alternative to physical manuals or dealer services, with a price beat guarantee.
Usability:
Printable sections for workshop convenience, allowing users to avoid damaging expensive paper manuals.
Engine:
Comprehensive coverage including disassembly, assembly, tuning, diagnostics, and specifications.
General Information:
Includes motorcycle identification, basic safety precautions, and standard tool usage.
Transmission:
Detailed procedures for gearbox inspection, maintenance, repair, and component replacement.
Chassis:
Information pertaining to the frame, bodywork, and structural components.
Lightning:
Coverage of the lighting system, including bulb types, wiring diagrams, and troubleshooting.
Steering:
Maintenance and repair of the steering head bearings, fork components, and handlebars.
Seats System:
Information related to seat removal, installation, and any associated mechanisms.
Clutch:
Detailed procedures for clutch operation, maintenance, adjustment, and component replacement (e.g., clutch plates).
Suspension:
Front fork and rear shock absorber service, adjustment, and component replacement, including fluid specifications.
Locks:
Information regarding ignition, helmet, and steering locks, including maintenance and potential repair.
Brakes:
Front and rear brake system maintenance, including hydraulic system bleeding, pad replacement, and caliper service.
Lubrication:
Specific lubrication points, recommended lubricants, and service intervals for various components.
Electrical:
Extensive coverage of wiring diagrams, electrical components (starter, alternator, ignition), troubleshooting, and component testing.
Frame:
Information related to the motorcycle frame structure, including inspection and potential alignment checks.
Fuel System:
Carburetor service, tuning, fuel tank maintenance, fuel lines, and fuel pump (if applicable).
Battery:
Battery maintenance, charging, testing, and replacement procedures, including specifications.
Bodywork:
Fairings, tank cover, seat cowl, fenders: removal, installation, and cosmetic repair.
Exhaust System:
Inspection, maintenance, and replacement of exhaust headers and mufflers.
Wheels Tires:
Tire pressure specifications, wheel bearing maintenance, and spoke tension (if applicable to wheel type).
Indicators:
Operation and troubleshooting of warning lights and dashboard indicators.
Maintenance:
Routine maintenance tasks such as oil changes, filter replacements, chain adjustment, and spark plug servicing.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, with symptom-based fault finding.
Repair:
Step-by-step instructions for component overhaul, replacement, and system repair.
Disassembly Assembly:
Detailed instructions for the complete breakdown and reassembly of major motorcycle components.
Engine Tuning:
Carburetor jetting, ignition timing adjustment, valve clearance adjustment.
Electrical Diagnostics:
Testing of ignition coil, CDI unit, alternator, starter motor, regulators, and battery charging system.
Torque Specifications:
Detailed torque values for all critical fasteners, engine components, and chassis parts.
Depth:
Comprehensive and detailed, suitable for both novice mechanics and experienced technicians. Covers from basic adjustments to full engine rebuilds.
Engine Type:
Four-stroke, DOHC, parallel-twin (likely configuration based on model era and displacement)
Displacement:
248 cc (approximate, for GS250 designation)
Bore X Stroke:
Specifics within manual, likely around 54.0 mm x 54.0 mm (typical for this displacement range)
Compression Ratio:
Specifics within manual, likely in the range of 9.0:1 to 10.0:1
Cooling System:
Air-cooled
Ignition System:
CDI (Capacitor Discharge Ignition) with electronic advance
Horsepower:
Specifics within manual, likely in the range of 25-30 HP at ~8,500 RPM
Torque:
Specifics within manual, likely in the range of 20-23 Nm at ~6,500 RPM
Carburetor:
Likely twin Mikuni VM26SS or similar downdraft carburetors. Specifics detailed in manual.
Fuel Capacity:
Specifics within manual, typically 10-14 liters for this class.
Oil Change:
Typically every 3,000-5,000 km or 6-12 months. Specific interval detailed in manual.
Spark Plug Service:
Typically every 6,000-10,000 km. Manual provides exact type and gap.
Chain Maintenance:
Regular cleaning, lubrication, and tension adjustment (e.g., every 500-1000 km).
Engine Oil:
SAE 10W-40 API SE or SF (common for the era, specific grade to be confirmed in manual).
Fork Oil:
Specific viscosity grade (e.g., SAE 10W) and quantity per fork leg will be provided in the manual.
Brake Fluid:
DOT 3 or DOT 4 (typical, manual will specify exact type).
Coolant Type:
N/A (Air-cooled engine)
Common Wear Items:
Carburetor synchronization issues, wear in the clutch plates, fork seal leaks, electrical connection corrosion.
Engine Performance:
Potential for carbon buildup in combustion chambers affecting performance; manual provides tuning and cleaning procedures.