🏷️ Basic Information Identification Make: Husqvarna Model: SM 125 Year: 1998 Type: Supermoto 👋 Introduction Market Position Segment: Lightweight Supermoto/Off-Road Motorcycle Target Audience: Enthusiasts and owners seeking to perform their own maintenance and repairs Competitive Analysis Competitors: Other 125cc off-road or supermoto models from brands like KTM, Aprilia, Yamaha, Honda, Suzuki Key Features Manual Advantage 1: Empowers owners to perform repairs independently, ensuring quality and saving costs. Manual Advantage 2: Provides in-depth technical knowledge for confident diagnosis and repair. Manual Advantage 3: Convenient PDF format for instant download and access on multiple devices. Manual Advantage 4: Covers all essential systems for complete vehicle care. 📋 Manual Details Coverage Areas Primary Coverage: Comprehensive service, repair, and maintenance Secondary Coverage: Troubleshooting, electrical diagnostics, wiring diagrams Page Count Estimated Page Count: Varies by specific manual, typically 300-600 pages for comprehensive coverage Manual Type Type: Service Manual / Repair Manual / Workshop Manual Language Language: English Format Format: PDF Download 📖 Manual Coverage Systems Covered Engine: Complete service, repair, and overhaul procedures for the 125cc engine Transmission: Clutch, gearbox, and final drive maintenance and repair Brakes: Front and rear brake system servicing, including hydraulic components and pad replacement Electrical System: Comprehensive electrical system diagnostics, component testing, and wiring diagrams Suspension: Front fork (telescopic) and rear shock absorber servicing, adjustments, and rebuilds Cooling System: Radiator, coolant, and related components service Fuel System: Carburetor (likely Mikuni VM series) tuning, cleaning, and overhaul; fuel tank, lines, and petcock service Emission Control: Procedures related to the emission control system (if applicable for the region/year) Chassis Body: Frame inspection, body panel removal/installation, seat, and luggage components Steering: Handlebar, triple clamps, and steering head bearing maintenance Wheels Tires: Wheel bearing service, tire pressure, and mounting/dismounting procedures Procedures Included Maintenance: Scheduled maintenance, oil changes, filter replacements, chain adjustment, spark plug service Troubleshooting: Step-by-step diagnostic procedures for common operational issues Repair: Detailed instructions for component disassembly, repair, and reassembly Refurbishment Renovation: Guidance on restoring components and the overall vehicle Wiring Diagrams: Complete electrical system schematics for accurate troubleshooting and repair Technical Depth Depth: Covers from basic user maintenance to in-depth engine rebuilds and electrical diagnostics 📊 Manual Specifications File Format Format: PDF (Portable Document Format) Compatibility: Compatible with all Windows and Mac operating systems Software Requirements: Adobe Acrobat Reader (free) and WinZip or similar utility (for extraction if compressed) Print Quality Quality: High-resolution scans suitable for printing Binding Type Type: N/A (Digital Download - PDF) Paper Type Type: N/A (Digital Download - PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Two-stroke, single-cylinder Displacement: 124.8 cc (approximate) Bore X Stroke: Typically 54 mm x 54.5 mm (refer to manual for exact specification) Cooling System: Liquid-cooled Ignition System: CDI (Capacitor Discharge Ignition) Performance Horsepower: Approximately 28-32 hp (varies by tuning and market regulations, refer to manual for exact spec) Torque: Approximately 20-22 Nm (refer to manual for exact specification) Fuel System Carburetor Type: Single Carburetor, likely Mikuni VM28 or similar Fuel Type: Unleaded gasoline (95 RON or higher recommended) Oil Mixture: Premix (specific oil-to-fuel ratio detailed in manual, typically 1:30 to 1:50) 🔧 Transmission Standard Type: 6-speed constant mesh manual transmission Optional Type: N/A (no optional transmissions typically offered for this model) Features Clutch Type: Wet, multi-plate clutch Final Drive: Chain drive Transmission Oil Type: SAE 10W-30 or SAE 10W-40 API SG or higher (refer to manual for exact specification) 📐 Dimensions Exterior Length: Varies by specific SM configuration, typically around 2000-2100 mm Width: Varies, typically around 750-850 mm Height: Varies, typically around 1100-1200 mm Wheelbase: Approximately 1400-1450 mm Weights Dry Weight: Approximately 95-105 kg (refer to manual for exact specification) Fuel Tank Capacity: Approximately 8-10 liters 🛡️ Safety Features Ratings Crash Test Ratings: N/A (Motorcycles are not typically rated by consumer safety organizations like NHTSA or Euro NCAP) Active Features Braking System: Front: Disc brake (single or dual, depending on specific variant), Rear: Disc brake Lighting: Headlight, tail light, brake light, turn signals (if equipped) Passive Features Frame Construction: Steel perimeter frame for rigidity and durability 💡 Technology Features Infotainment System: Basic analog instrumentation: speedometer, tachometer, odometer, and indicator lights. No advanced infotainment. Driver Assistance Features: No electronic driver assistance systems typical of modern vehicles. Focus on rider control and mechanical feedback. Connectivity Features: No electronic connectivity features. 🔧 Maintenance Service Intervals Oil Change: Every 20-30 hours of operation or annually. Refer to manual for specific mileage/time. Air Filter Cleaning: Every 10-15 hours of operation or as needed, depending on riding conditions. Spark Plug Replacement: Every 50-100 hours of operation (refer to manual for specific type and gap). Chain Lubrication Adjustment: Every 500-1000 km or more frequently in wet/dirty conditions. Top End Rebuild: Typically recommended every 100-200 hours of operation for a two-stroke engine, depending on riding style. Fluid Specifications Engine Oil: Not applicable for premix two-stroke; refer to manual for recommended 2-stroke...
Basic analog instrumentation: speedometer, tachometer, odometer, and indicator lights. No advanced infotainment.
Driver Assistance
Features:
No electronic driver assistance systems typical of modern vehicles. Focus on rider control and mechanical feedback.
Connectivity
Features:
No electronic connectivity features.
🔧 Maintenance
Service Intervals
Oil Change:
Every 20-30 hours of operation or annually. Refer to manual for specific mileage/time.
Air Filter Cleaning:
Every 10-15 hours of operation or as needed, depending on riding conditions.
Spark Plug Replacement:
Every 50-100 hours of operation (refer to manual for specific type and gap).
Chain Lubrication Adjustment:
Every 500-1000 km or more frequently in wet/dirty conditions.
Top End Rebuild:
Typically recommended every 100-200 hours of operation for a two-stroke engine, depending on riding style.
Fluid Specifications
Engine Oil:
Not applicable for premix two-stroke; refer to manual for recommended 2-stroke oil for premix.
Transmission Oil:
SAE 10W-30 or SAE 10W-40 API SG or higher
Coolant:
Ethylene glycol based coolant with anti-corrosion additives (50/50 mix with distilled water recommended)
Brake Fluid:
DOT 4 or DOT 5.1 brake fluid (refer to manual for specific type)
Known Issues
Common Issue 1:
Carburetor jetting can require adjustment depending on altitude, temperature, and exhaust modifications.
Common Issue 2:
Two-stroke engines require regular maintenance, including piston ring and top-end inspection.
Common Issue 3:
Clutch wear can occur with aggressive riding or improper usage.
Common Issue 4:
Chain and sprockets require regular inspection and replacement to prevent damage to the drivetrain.
📚 Vehicle History
Brand Heritage
Origin:
Husqvarna Motorcycles is a Swedish brand with a long history dating back to 1903, known for its off-road prowess.
Model Evolution
Lineage:
The SM 125 is part of Husqvarna's lineage of lightweight, agile supermoto and motocross-inspired models, built for performance and agility on various terrains.
Production
Manufacturing Period:
The SM 125 model was produced through the late 1990s and early 2000s.
🏆 Awards & Recognition
Recognitions
Type:
N/A (Specific awards for the 1998 SM 125 are not widely publicized; however, Husqvarna models are generally respected in the off-road and supermoto communities for their performance and handling).
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