The KLX140 and KLX140L are lightweight, maneuverable off-road motorcycles designed for entry-level to intermediate riders. Produced from 2008 through 2011, these models are praised for their user-friendly nature, reliable air-cooled engines, and accessible seat height, particularly on the 'L' variant. With a history rooted in a strong off-road heritage, the KLX series offers a versatile platform for recreational trail riding. This comprehensive service repair manual covers all essential aspects of the KLX140 and KLX140L models for the 2008-2011 production years. It provides detailed information on complete engine systems, including the top end and lubrication, as well as fuel and cooling systems. The manual also details maintenance and repair procedures for the clutch, transmission, final drive, wheels, tires, brakes, suspension, steering, frame, and electrical systems. Included are routine maintenance tasks, troubleshooting guides, major repair instructions, component disassembly and assembly, wiring diagrams, and critical torque specifications, enabling owners and technicians to effectively maintain and repair their vehicles. 🏷️ Basic Information Identification Make: Kawasaki Model: KLX140 / KLX140L Product Type: Service Repair Manual Format: PDF Download Codes Model Codes: KLX140-A8F, B8F, A9F, B9F, AAF, BAF, ABF, BBF Generation Production Years Covered: 2008, 2009, 2010, 2011 👋 Introduction Market Position Segment: Entry-level to intermediate off-road / trail motorcycle Target Audience: New riders, younger riders, recreational trail riders Competitive Analysis Key Competitors: Honda CRF150F, Yamaha TT-R125LE, Suzuki DR-Z125L Key Features Vehicle Strengths: Lightweight, maneuverable, user-friendly, reliable air-cooled engine, accessible seat height (KLX140L) Manual Value Benefit For Owner: Enables DIY maintenance and repairs, saving significant costs on professional labor. Target User: Motorcycle owners seeking to perform their own maintenance and repairs, from basic to intermediate levels. 📋 Manual Details Coverage Areas Engine: Complete Engine Systems Fuel System: Fuel Injection / Carburetor Systems (as applicable) Cooling System: Air Cooling System Engine Top End: Cylinder Head, Valves, Piston Assembly Clutch: Clutch Assembly and Operation Lubrication System: Engine Oil System, Lubrication Components Engine Removal Installation: Engine Mounting and Removal Procedures Crankshaft Transmission: Crankshaft, Gearbox, Shifting Mechanism Wheels Tires: Wheel Removal, Tire Mounting, Spoke Tension Final Drive: Chain Drive System, Sprockets Brakes: Front and Rear Brake Systems (Hydraulic Disc) Suspension: Front Forks, Rear Shock Absorber, Linkage Steering: Handlebar, Steering Stem, Bearings Frame: Chassis, Swingarm, Subframe Electrical System: Ignition, Lighting, Charging System, Battery Appendix: Wiring Diagrams, Troubleshooting Charts, Specifications Page Count Total Pages: 332 Manual Type Type: Official Workshop Service Repair Manual Language Language: English Format File Format: PDF Compatibility Operating Systems: Windows, Mac Availability Download Method: Instant Download Printability Printable: Yes 📖 Manual Coverage Systems Covered Powertrain: Engine, Transmission, Clutch, Final Drive Chassis: Frame, Suspension, Steering, Wheels, Brakes Electrical: Ignition, Charging, Lighting, Wiring Harnesses Fuel Delivery: Carburetor/Fuel Injection, Fuel Tank, Lines Exhaust System: Exhaust Pipes, Muffler Cooling System: Air Cooling Components Procedures Included Routine Maintenance: Oil Changes, Filter Replacements, Chain Adjustment, Spark Plug Service Troubleshooting: Diagnostic Procedures for Common Issues Major Repairs: Engine Rebuilds, Transmission Overhauls, Suspension Overhauls Component Disassembly Assembly: Step-by-step instructions for all major components Wiring Diagrams: Detailed electrical schematics for all systems Torquing Specifications: Essential torque values for critical fasteners Special Tool Requirements: Identification of necessary specialized tools Technical Depth Depth: Comprehensive (from basic maintenance to complete engine rebuilds) Detail Level: Manufacturer-level accuracy with high-quality photos and step-by-step instructions 📊 Manual Specifications File Format Format: PDF Print Quality Image Resolution: High-resolution for clarity of diagrams and photos Binding Type Binding: N/A (Digital PDF) Paper Type Paper Quality: N/A (Digital PDF) File Size Estimated Size: Up to 1 GB (variable due to compression) Searchability Text Search: Likely searchable text within PDF ⚙️ Engine Specifications Primary Engine Engine Type: Four-stroke, SOHC, 2-valve, Single-cylinder Displacement: 138 cc (8.4 cu in) Bore X Stroke: 54.0 x 60.0 mm (2.1 x 2.4 in) Cooling System: Forced Air Cooling Compression Ratio: 9.5:1 Fuel System Fuel Delivery: Carburetor (confirm specific model/year if possible, some might have FI in later years, but this manual covers 2008-2011 which were primarily carb) Carburetor Type: Keihin PB22 (typical for this model, manual will detail exact) Performance Horsepower: Approx. 11-13 HP (estimated, actual figures vary by test and model year, manual will have specifics) Torque: Approx. 9-10 Nm (estimated, actual figures vary, manual will have specifics) Lubrication System Oil Type: SAE 10W-40 API SG or higher (refer to manual for exact Kawasaki specification) Oil Capacity: 1.3 L (1.4 US qt) (Refer to manual for exact capacity with filter change) 🔧 Transmission Standard Type: 5-speed constant mesh Clutch Type: Wet, multi-disc Features Gear Ratios: Refer to manual for specific gear ratios for each speed Lubrication Transmission Oil Type: SAE 10W-40 API SG or higher (Shared with engine oil in many designs, manual will confirm) 📐 Dimensions Exterior Length: KLX140: 1830 mm (72.0 in) / KLX140L: 1920 mm (75.6 in) Width: 770 mm (30.3 in) Height: KLX140: 1070 mm (42.1 in) / KLX140L: 1135 mm (44.7 in) Wheelbase: KLX140: 1270 mm...