🏷️ Basic Information Identification Make: Suzuki Model Family: QuadRunner Model: LT250S Chain Drive Generation Product Name: Suzuki LT230 and LT250 Service Repair Manual 1985-1990 👋 Introduction Market Position Target Audience: Owners of Suzuki LT230 and LT250 series ATVs from 1985-1990, ranging from novices to experienced mechanics. Competitive Analysis Value Proposition: Provides essential maintenance, repair, and troubleshooting information to keep these classic Suzuki ATVs running optimally, saving owners time and money on repairs. Key Features Manual Strengths: Detailed procedures, troubleshooting guides, clear language, comprehensive coverage of various models and model years, inclusion of wiring diagrams. 📋 Manual Details Coverage Areas Applicable Years: 1985, 1986, 1987, 1988, 1989, 1990 Covered Models: LT230S Chain Drive, LT-F230G Shaft Drive, LT230G Shaft Drive, LT250S Chain Drive Page Count Estimated Pages: Estimated 300-400 pages (typical for comprehensive service manuals of this era) Manual Type Type: Service and Repair Manual Language Language: English Format Format: Likely a printed manual or a printable PDF (based on typical product offerings) Diagrams: Includes detailed illustrations, diagrams, and wiring schematics critical for repair and understanding. 📖 Manual Coverage Systems Covered Engine: Engine principles, removal/installation, cylinder head, cylinder, piston, oil pump, crankcase, crankshaft, cam chain tensioner, Kickstarter/recoil starter, starter gears, secondary bevel gear, break-in procedure. Transmission: Clutch operation (centrifugal/manual), clutch inspection, clutch lifting/release mechanisms, clutch cable, external shift mechanism, drive sprocket, transmission, internal shift mechanism, dual-range subtransmission (LT-F230G). Fuel System: Carburetor operation and service, throttle cable, choke cable, fuel shutoff valve, fuel tank, fuel pump (shaft-drive models). Electrical System: Charging system (voltage regulator, alternator/magneto), CDI ignition, ignition coil, starting system (starter, solenoid), lighting, switches, odometer, fuses, wiring diagrams. Suspension Steering: Front wheel, front hub, steering system, tires, rear axle, rear suspension, shock absorber, swing arm, rear axle bearing/oil seal replacement. Brakes: Drum brakes (front/rear), disc brakes (front/rear), brake pad replacement, master cylinders, calipers, brake discs, brake hoses, bleeding the system, brake pedal. Bodywork: Fenders, hand grips, carriers (shaft-drive models). Final Drive: Rear axle, driven sprocket, chain drive specifics, final drive unit components for shaft drive models. Cooling System Details: While air-cooled, the manual likely covers airflow management components if any. Procedures Included Maintenance: Pre-ride checklist, service intervals, periodic lubrication, engine oil/filter change, control cable lubrication, tune-up, valve clearance adjustment, compression tests, spark plug replacement, air filter cleaning/replacement. Troubleshooting: Operating requirements, emergency troubleshooting, engine starting issues, engine performance problems, engine noises, vibration, suspension/steering problems, brake issues. Repair: Engine component rebuilds, transmission overhaul, clutch service, carburetor overhaul, electrical system diagnostics and repair, brake system repair, suspension component replacement. Technical Data: Torque specifications, service hints, special tips, expendable supplies, parts replacement guidance, serial number identification, basic and specialized tool requirements. Engine Rebuild: Detailed procedures for cylinder head, cylinder, piston, and crankshaft assembly/disassembly. Carburetor Rebuild: Comprehensive instructions for carburetor disassembly, cleaning, inspection, and reassembly, including jetting information. Starter System Repair: Procedures for troubleshooting and repairing the electric starter motor, starter solenoid, and related wiring. Technical Depth Depth: Comprehensive. Covers everything from basic maintenance and troubleshooting to full engine and transmission overhauls. Suitable for amateur and professional technicians. Diagnostic Tools: Covers the use of basic diagnostic tools like compression testers, multimeters, and the specific tools needed for Suzuki ATVs of this era. 📊 Manual Specifications File Format Digital Format: If digital, likely a searchable PDF with embedded diagrams and schematics. Print Quality Print Quality: Assumed to be clear with legible diagrams and text, suitable for shop use. Binding Type Binding: Likely spiral-bound or saddle-stitched for flat-opening during use (if printed). Paper Type Paper Quality: Durable paper stock suitable for workshop environments. ⚙️ Engine Specifications Primary Engine Engine Type: Air-cooled, four-stroke, single-cylinder (common configuration for these models) Performance Displacement Lt230: Approx. 229cc (for LT230 models) Displacement Lt250: Approx. 246cc (for LT250 models) Fuel System Carburetion: Mikuni carburetors are highly probable for these Suzuki models. Specific model (e.g., VM26SS) would be detailed in the manual. Cooling System Cooling Method: Air-cooled (as indicated by 'Air-cooled' engine type). 🔧 Transmission Standard Transmission Type: 5-speed manual transmission with reverse (typical for these ATVs). LT-F230G features a dual-range subtransmission. Optional Clutch Type: Wet, multi-plate centrifugal clutch for automatic engagement, coupled with a manual clutch lever for gear changes on some models or versions. Features Drive Type: Chain drive (LT230S, LT250S) or Shaft drive (LT-F230G, LT230G). Subtransmission: Dual-range subtransmission on the LT-F230G, providing a low-range gear for increased torque and capability. 📐 Dimensions Exterior Wheelbase: Varies by model, typically around 47-49 inches (1194-1245 mm). Specific dimensions will be in the manual. Weights Dry Weight: Approximately 350-400 lbs (159-181 kg), depending on model and drive type. Exact weights in manual. 🛡️ Safety Features Ratings Atv Safety: Manual includes 'Safety First' and 'Riding Safely' sections, crucial for ATV operation. Active Features Braking System: Drum brakes and disc brakes with detailed service procedures. Proper brake function is a key safety feature. 💡 Technology Features Infotainment Instrumentation: Basic...