🏷️ Basic Information Identification Make: Kawasaki Model: KX85 / KX100 Model Variant: 2-Stroke Off-Road Competition Motorcycle Years Covered: 2001, 2002, 2003, 2004, 2005, 2006, 2007 Codes Chassis Code Kx85: KX085-B1 to KX085-B8 Chassis Code Kx100: KX100-B1 to KX100-B8 👋 Introduction Market Position Market Segment: Entry-level to intermediate motocross and off-road competition for youth riders. Competitive Analysis Primary Competitors: Yamaha YZ85, Suzuki RM85, Honda CR85R. Key Features Kx85 Selling Points: Powerful 85cc liquid-cooled 2-stroke engine, strong chassis, tunable suspension, race-proven design. Kx100 Selling Points: Larger displacement 99cc liquid-cooled 2-stroke engine offering more torque and power for larger riders or advanced skill levels, similar race-proven chassis. Manual Value Proposition Manual Utility: Provides critical OEM-level data for maintaining optimal performance and longevity of these competition motorcycles, essential for race teams and dedicated enthusiasts. 📋 Manual Details Coverage Areas Manual Scope: Comprehensive Service, Repair, and Maintenance Page Count Estimated Page Count: Estimated 400-600 pages (typical for comprehensive OEM manuals of this era) Manual Type Manual Type: OEM Factory Service Manual / Workshop Manual Language Language: English Format Format: Downloadable PDF 📖 Manual Coverage Systems Covered Engine Overhaul: Full engine disassembly, inspection, and reassembly procedures for both KX85 and KX100 engines. Fuel System: Carburetor tuning, disassembly, cleaning, and rebuilding. Fuel tank, fuel lines, and petcock maintenance. Lubrication And Cooling: 2-stroke oil injection system operation, maintenance, and troubleshooting. Chassis lubrication points. Transmission And Drivetrain: Clutch operation, adjustment, and rebuild. Gearbox disassembly, inspection, and reassembly. Chain and sprocket wear inspection and replacement. Suspension System: Front fork (USD telescopic) service, including oil changes, seal replacement, and spring inspection. Rear shock absorber service, including spring preload adjustment and damper rod inspection. Linkage system maintenance. Braking System: Front and rear disc brake system maintenance, including pad replacement, caliper service, master cylinder service, and bleeding procedures. Brake fluid specifications. Electrical System: Ignition system (CDI), lighting, and charging system (if applicable for specific configurations). Wiring diagrams, troubleshooting guides for electrical faults. Bodywork And Chassis: Fairing removal and installation, seat maintenance, handlebar replacement, frame inspection for damage. Steering System: Steering head bearing inspection, adjustment, and replacement. Handlebar and control lever adjustment. Procedures Included Routine Maintenance: Scheduled maintenance tasks, including air filter cleaning, spark plug checks, chain adjustment, and general inspections. Troubleshooting: Systematic diagnostic procedures for common issues, including engine performance problems, starting difficulties, and chassis handling issues. Engine Rebuild: Detailed steps for piston, ring, cylinder, crankshaft, and connecting rod replacement and inspection. Torque specifications for all critical fasteners. Suspension Rebuild: Fork seal replacement, damper rod servicing, shock absorber seal replacement. Wheel And Tire Service: Tire pressure recommendations, spoke tension checks, bearing inspection, and wheel balancing procedures. Wiring Diagrams: Complete electrical system schematics for fault finding. Technical Depth Diagnostic Capabilities: Advanced diagnostic trees and symptom-based troubleshooting for complex mechanical and electrical issues. Repair Complexity: Covers everything from basic adjustments to complete engine and gearbox rebuilds, suitable for both novice and experienced mechanics. Specification Detail: Includes detailed torque specifications, clearances, fluid capacities, and electrical component resistance/voltage checks. 📊 Manual Specifications File Format File Format: PDF Print Quality Print Quality: Optimized for digital viewing and printing; high-resolution diagrams and text. Binding Type Binding Type: N/A (Digital Download) Paper Type Paper Type: N/A (Digital Download) ⚙️ Engine Specifications Primary Engine Kx85 Engine Type: Liquid-cooled, 2-stroke, single-cylinder. Kx85 Displacement: 84.7 cc (5.17 cu in) Kx85 Bore X Stroke: 48.5 x 45.8 mm (1.91 x 1.80 in) Kx100 Engine Type: Liquid-cooled, 2-stroke, single-cylinder. Kx100 Displacement: 99 cc (6.04 cu in) Kx100 Bore X Stroke: 52.5 x 45.8 mm (2.07 x 1.80 in) Performance Compression Ratio: 9.9:1 (typical for this generation, check manual for precise values) Power Output Kx85: Approx. 20-22 HP (highly dependent on tuning and condition, manual provides specific dyno charts or estimations). Power Output Kx100: Approx. 25-28 HP (highly dependent on tuning and condition, manual provides specific dyno charts or estimations). Fuel System Carburetor Kx85: Keihin PWK28 Carburetor Kx100: Keihin PWK34 Fuel Type: Unleaded gasoline (minimum 91 octane recommended) 2 Stroke Oil Mix: Self-mixing via oil injection system; specify appropriate 2-stroke motorcycle oil (e.g., JASO FD certified). 🔧 Transmission Standard Transmission Type: 6-speed, constant mesh, sequential manual. Features Clutch Type: Wet, multi-disc, cable-actuated. Final Drive: Chain drive (RK, DID, or similar compatible). 📐 Dimensions Exterior Kx85 Wheelbase: Approx. 1210 mm (47.6 in) Kx100 Wheelbase: Approx. 1210 mm (47.6 in) Kx85 Ground Clearance: Approx. 330 mm (13.0 in) Kx100 Ground Clearance: Approx. 335 mm (13.2 in) Weights Kx85 Dry Weight: Approx. 74 kg (163 lbs) Kx100 Dry Weight: Approx. 77 kg (170 lbs) Fuel Capacity: 5.0 Liters (1.3 US gal) 🛡️ Safety Features Ratings Safety Standards: Designed for competition use; does not comply with general road safety regulations. Active Features Braking Performance: Hydraulic disc brakes front and rear for strong stopping power. 💡 Technology Features Infotainment Infotainment Features: None (Competition-focused design). Driver Assistance Driver Assistance Systems: None (Competition-focused...