Segment:
        
        
            Entry-level to intermediate off-road/dirt bike
        
     
    
        
            Target Audience:
        
        
            Beginner riders, youth riders, recreational off-road enthusiasts
        
     
    
    
        
            Competitors:
        
        
            Honda CRF100F/150F, Kawasaki KLX110/140, Suzuki DR-Z125
        
     
    
    
        
            Versatility:
        
        
            Suitable for trail riding, recreational motocross, and general off-road use
        
     
    
        
            Ease Of Use:
        
        
            User-friendly ergonomics and predictable power delivery
        
     
    
    
        
            Benefit:
        
        
            Empowers owners and technicians to perform all necessary maintenance and repairs, saving time and money
        
     
 
    
    
    
        
            Engine:
        
        
            Complete overhaul, tuning, diagnostics, lubrication, cooling system
        
     
    
        
            Fuel System:
        
        
            Carburetor disassembly, cleaning, adjustment, fuel tank, fuel lines
        
     
    
        
            Transmission:
        
        
            Clutch, gearbox operation, maintenance, disassembly, assembly
        
     
    
        
            Suspension:
        
        
            Front forks (conventional/upside-down depending on variant), rear shock absorber, linkage, adjustments
        
     
    
        
            Brakes:
        
        
            Front disc brake system, rear drum brake system, fluid bleeding, pad replacement, caliper service
        
     
    
        
            Electrical System:
        
        
            Ignition system, lighting, battery, charging system, wiring diagrams, troubleshooting
        
     
    
        
            Frame And Body:
        
        
            Chassis, swingarm, handlebars, controls, seat, fenders, plastics
        
     
    
    
        
            Maintenance:
        
        
            Scheduled maintenance, oil changes, filter replacements, chain adjustment, spark plug service
        
     
    
        
            Repair:
        
        
            Engine rebuild, transmission repair, suspension overhaul, electrical component replacement
        
     
    
        
            Troubleshooting:
        
        
            Step-by-step diagnostic guides for common and complex issues
        
     
    
    
        
            Depth:
        
        
            Comprehensive from basic maintenance to full engine and transmission rebuilds
        
     
 
    
    
    
        
            File Type:
        
        
            Portable Document Format (PDF)
        
     
    
    
        
            Resolution:
        
        
            High-resolution, clear text and diagrams
        
     
    
    
        
            Binding:
        
        
            Not Applicable (Digital Download)
        
     
    
    
        
            Paper:
        
        
            Not Applicable (Digital Download)
        
     
    
    
        
            Searchability:
        
        
            Searchable text for quick information retrieval
        
     
    
        
            Device Compatibility:
        
        
            Viewable on computers, tablets, and smartphones with PDF reader
        
     
 
    
    
    
        
            Type:
        
        
            4-stroke, SOHC, air-cooled
        
     
    
    
        
            Bore X Stroke:
        
        
            54 mm x 54.5 mm
        
     
    
    
    
        
            Horsepower:
        
        
            Approx. 10-12 HP (estimated, varies by tuning and exact model)
        
     
    
        
            Torque:
        
        
            Approx. 7-8 lb-ft (estimated)
        
     
    
    
        
            Carburetor:
        
        
            Mikuni VM20 (typical for most variants)
        
     
    
    
        
            System:
        
        
            CDI (Capacitor Discharge Ignition)
        
     
    
    
    
    
        
            System:
        
        
            Kick start (TT-R125E/L), Electric start (TT-R125LE)
        
     
 
    
    
    
        
            Wheelbase:
        
        
            Approx. 50.4 inches (1280 mm)
        
     
    
        
            Seat Height:
        
        
            Approx. 31.7 inches (805 mm) for E/L, 32.5 inches (825 mm) for LE
        
     
    
    
        
            Dry Weight:
        
        
            Approx. 215 lbs (98 kg)
        
     
    
        
            Wet Weight:
        
        
            Approx. 230 lbs (104 kg)
        
     
    
    
        
            Front Tire Size:
        
        
            70/100-17 (E/L), 80/100-21 (LE)
        
     
    
        
            Rear Tire Size:
        
        
            90/100-14 (E/L), 110/100-18 (LE)
        
     
 
    
    
    
        
            Engine Oil Change:
        
        
            Every 1000 km or 6 months (refer to manual for exact intervals)
        
     
    
        
            Air Filter Cleaning:
        
        
            As needed, depending on riding conditions (recommend every 10-20 hours)
        
     
    
        
            Spark Plug Replacement:
        
        
            Refer to manual, typically every 5000 km or annually
        
     
    
    
        
            Engine Oil Type:
        
        
            Yamalube 4 (or equivalent) SAE 10W-40 API SG or higher, JASO MA certified
        
     
    
        
            Engine Oil Capacity:
        
        
            1.00 L (0.09 US qt) for oil change, 1.20 L (0.11 US qt) for filter change
        
     
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 brake fluid
        
     
    
    
        
            Common Wear Items:
        
        
            Clutch plates, chain and sprockets, brake pads, fork seals, carburetor jets
        
     
    
        
            Carburetor Tuning:
        
        
            May require periodic cleaning and adjustment for optimal performance, especially in varying altitudes or fuel quality
        
     
    
        
            Suspension Maintenance:
        
        
            Fork oil changes and seal replacement recommended to maintain damping performance