Market Position:
        
        
            Entry-level to intermediate off-road motorcycle, popular for trail riding and recreational use
        
     
    
    
        
            Competitors:
        
        
            Honda CRF150F/R, Yamaha TTR125/230, Suzuki DR-Z125
        
     
    
    
        
            Key Features:
        
        
            Reliable air-cooled engine, lightweight chassis, adjustable suspension (L model), ease of maintenance
        
     
 
    
    
    
        
            Engine:
        
        
            Full engine service, disassembly, assembly, tuning, troubleshooting
        
     
    
        
            Transmission:
        
        
            Clutch system, gearbox overhaul, maintenance, adjustment
        
     
    
        
            Fuel System:
        
        
            Carburetor (likely Mikuni VM series), fuel tank, fuel lines, troubleshooting
        
     
    
        
            Ignition System:
        
        
            CDI unit, spark plug, ignition timing, troubleshooting
        
     
    
        
            Cooling System:
        
        
            Air-cooled system, cylinder head fins, oil lubrication
        
     
    
        
            Exhaust System:
        
        
            Muffler, header pipe, inspection and maintenance
        
     
    
        
            Electrical System:
        
        
            Wiring diagrams, lighting, charging system (stator, battery), troubleshooting
        
     
    
        
            Frame And Body:
        
        
            Frame inspection, seat, fenders, plastic components, graphics
        
     
    
        
            Suspension Front:
        
        
            Telescopic fork service, oil change, seal replacement, adjustment
        
     
    
        
            Suspension Rear:
        
        
            Monoshock suspension, linkage inspection, shock absorber service, adjustment
        
     
    
        
            Brakes Front:
        
        
            Hydraulic disc brake, caliper service, pad replacement, fluid flush, rotor inspection
        
     
    
        
            Brakes Rear:
        
        
            Drum brake service, adjustment, inspection
        
     
    
        
            Wheels And Tires:
        
        
            Spoke wheel maintenance, tire pressure, tire replacement, bearing service
        
     
    
        
            Steering:
        
        
            Handlebar, steering stem, bearings, lubrication, adjustment
        
     
    
    
        
            Maintenance:
        
        
            Routine checks, lubrication, filter replacement, chain adjustment, brake adjustment
        
     
    
        
            Troubleshooting:
        
        
            Diagnostic procedures for common and uncommon issues across all systems
        
     
    
        
            Repair:
        
        
            Step-by-step instructions for component repair and replacement
        
     
    
        
            Disassembly Assembly:
        
        
            Complete guidance on dismantling and reassembling all major and minor components
        
     
    
        
            Tuning Adjustment:
        
        
            Carburetor tuning, suspension adjustments, brake adjustments, chain tension
        
     
    
    
        
            Depth:
        
        
            Comprehensive, from basic maintenance to complete engine and chassis rebuilds
        
     
 
    
    
    
        
            File Format:
        
        
            Portable Document Format (PDF)
        
     
    
    
        
            Print Quality:
        
        
            High quality, suitable for printing individual pages or the entire manual
        
     
    
    
        
            Binding Type:
        
        
            Not applicable (digital download), but designed for easy printing and binding
        
     
    
    
        
            Paper Type:
        
        
            Not applicable (digital download), but original manuals typically use durable, coated paper
        
     
    
    
        
            Software Requirements:
        
        
            Adobe Reader (free download)
        
     
    
    
        
            Accessibility:
        
        
            Printable, downloadable to tablets and smartphones
        
     
 
    
    
    
        
            Engine Type:
        
        
            Four-stroke, SOHC, 2-valve
        
     
    
        
            Displacement:
        
        
            144 cc (approximately, based on KLX140 designation)
        
     
    
        
            Bore X Stroke:
        
        
            58.0 x 54.4 mm (typical for KLX140, confirm with manual)
        
     
    
        
            Compression Ratio:
        
        
            9.5:1 (typical for KLX140, confirm with manual)
        
     
    
        
            Cooling Method:
        
        
            Forced air cooling
        
     
    
    
        
            Horsepower:
        
        
            Estimated 11-13 HP (at crankshaft, actual varies by year/tune)
        
     
    
        
            Torque:
        
        
            Estimated 8-9 lb-ft (at crankshaft, actual varies)
        
     
    
    
        
            Carburetor Type:
        
        
            Mikuni VM20SS (typical for KLX140, confirm with manual)
        
     
    
        
            Fuel Type:
        
        
            Unleaded gasoline
        
     
    
        
            Fuel Tank Capacity:
        
        
            4.5 Liters (approx. 1.2 US gal)
        
     
    
    
        
            Oil Type:
        
        
            SAE 10W-40 API SG or SH (confirm with manual)
        
     
    
        
            Oil Capacity:
        
        
            0.9 Liters (with filter change, confirm with manual)
        
     
 
    
    
    
        
            Transmission Type:
        
        
            5-speed, constant mesh, return type
        
     
    
        
            Clutch Type:
        
        
            Wet, multi-disc
        
     
    
    
        
            Gear Ratios:
        
        
            Specific ratios will be detailed in the manual (e.g., 1st: 2.538, 2nd: 1.750, 3rd: 1.333, 4th: 1.045, 5th: 0.857)
        
     
    
    
        
            Transmission Oil Type:
        
        
            SAE 80 API GL-4 (confirm with manual)
        
     
 
    
    
    
        
            Engine Oil Change Interval:
        
        
            Every 1,000 km or 6 months (typical, refer to manual for exact)
        
     
    
        
            Air Filter Cleaning Interval:
        
        
            Every 1,000 km or as needed in dusty conditions (typical, refer to manual)
        
     
    
        
            Spark Plug Replacement Interval:
        
        
            Every 6,000 km or 2 years (typical, refer to manual)
        
     
    
        
            Chain Lubrication Adjustment:
        
        
            Every 500 km and after washing/riding in rain (typical, refer to manual)
        
     
    
    
        
            Brake Fluid Type:
        
        
            DOT 3 or DOT 4 (confirm with manual)
        
     
    
        
            Fork Oil Type:
        
        
            SAE 10W (confirm with manual)
        
     
    
    
        
            Common Issues:
        
        
            Carburetor jetting for altitude/temperature, occasional clutch wear with hard use, chain and sprocket wear.
        
     
 
    
    
    
        
            Brand Heritage:
        
        
            Kawasaki has a long history in motorsports and off-road motorcycles, known for performance and durability.
        
     
    
    
        
            Model Evolution:
        
        
            The KLX140 was introduced to fill a gap in Kawasaki's off-road lineup, offering a capable and user-friendly machine for younger riders and casual trail use. The 'L' variant typically denotes longer suspension travel and a taller seat height.
        
     
    
    
        
            Production Period:
        
        
            Introduced in 2008, continuing production with updates through current model years.