🏷️ Basic Information Identification Make: Honda Model: CR125R Model Generation: Eighth Generation (2004-2007) Applicable Years: 2004, 2005, 2006, 2007 Codes Engine Codes: GDE10/GDE12 👋 Introduction Market Position Target Audience: Do-it-yourself owners and experienced mechanics Competitive Analysis Value Proposition: Inexpensive way to maintain and repair the motorcycle, dealer-level information Key Features Content Detail: Detailed illustrations, step-by-step instructions, comprehensive coverage Accessibility: Printable pages for workshop use, instant download 📋 Manual Details Coverage Areas Primary Coverage: Repair and Service for Honda CR125R motorcycles Page Count Estimated Pages: Hundreds of pages (detailed illustrations and step-by-step instructions imply substantial content) Manual Type Type: Workshop Repair Manual Language Language: English Format File Format: PDF Compatibility: All Versions of Windows & Mac Reader Requirement: Adobe PDF Reader 📖 Manual Coverage Systems Covered Engine: Complete engine disassembly, assembly, inspection, and service Fuel System: Carburetor tuning, cleaning, overhaul, fuel tank, fuel lines Ignition System: Ignition timing, spark plug analysis, stator, CDI unit Lubrication: Oil pump operation, two-stroke premixing, chassis lubrication points Transmission: Clutch assembly, gearshift linkage, gear inspection, lubrication Brakes: Front and rear brake system maintenance, fluid replacement, pad inspection, caliper service Suspension: Front fork ( Showa) overhaul, rear shock absorber service, adjustments Electrical: Alternator, wiring diagrams, troubleshooting lighting and ignition circuits Cooling System: Radiator maintenance, coolant type and levels (note: CR125R is liquid-cooled) Procedures Included Scheduled Maintenance: Regular service checks, filter replacements, adjustments Engine Rebuild: Complete engine disassembly, piston and cylinder inspection/replacement, crankshaft service Troubleshooting: Diagnostic procedures for common performance issues, electrical faults Component Overhaul: Detailed instructions for servicing individual components like clutch, transmission, and brakes Technical Depth Depth: Comprehensive, from basic maintenance to complete engine rebuilds and advanced diagnostics Illustration Quality: Detailed illustrations guiding each step Instruction Style: Step-by-step instructions based on complete disassembly 📊 Manual Specifications File Format Printability: All pages are printable Searchability: Implied by PDF format, likely text-searchable if properly created Print Quality Digital Quality: High quality digital format suitable for printing Binding Type Binding: Not Applicable (Digital PDF) Paper Type Paper: Not Applicable (Digital PDF) Delivery Method Delivery: Instant Download Shipping: No Shipping Cost ⚙️ Engine Specifications Primary Engine Type: Liquid-cooled, 2-stroke, single-cylinder Displacement: 124.8 cc (7.6 cu in) Bore X Stroke: 54.0 mm x 54.5 mm (2.13 in x 2.15 in) Compression Ratio: 8.4:1 Performance Horsepower: Approx. 41 HP (at 12,500 rpm) - specific figures may vary by dyno and exact model year tuning Torque: Approx. 17.7 lb-ft (at 11,500 rpm) - specific figures may vary Fuel System Carburetor: Keihin PWK38, Flat-slide, with Power Jet Fuel Type: Unleaded gasoline, 91 octane or higher (premix with 2-stroke oil) Fuel Capacity: 7.0 L (1.8 US gal) 🔧 Transmission Standard Type: 6-speed, constant mesh Optional Optional Features: None Features Clutch: Wet, multi-plate Transmission Oil Type: Honda HPSS 10W-30 (or equivalent motorcycle-specific 4-stroke engine oil) Transmission Oil Capacity: 0.75 L (0.79 US qt) 📐 Dimensions Exterior Length: 2,167 mm (85.3 in) Width: 818 mm (32.2 in) Height: 1,257 mm (49.5 in) Wheelbase: 1,455 mm (57.3 in) Ground Clearance: 355 mm (14.0 in) Weights Dry Weight: 90.9 kg (200.4 lbs) Curb Weight: Not specified, but typically higher than dry weight Suspension Travel Front Suspension Travel: 315 mm (12.4 in) Rear Suspension Travel: 320 mm (12.6 in) 🛡️ Safety Features Ratings Crash Test Ratings: Not Applicable (Motorcycle, no standardized ratings like cars) Active Features Braking System: Hydraulic disc brakes (front and rear) Suspension Damping: Adjustable front forks and rear shock absorber for stability Passive Features Lighting: Headlight, taillight, stoplight (for road legality where applicable, though primarily off-road focused) 💡 Technology Features Infotainment Infotainment System: None (Motorcycle designed for performance, not creature comforts) Driver Assistance Assistance Features: None (Motorcycle) Connectivity Connectivity Features: None (Motorcycle) Engine Management Ignition Control: CDI (Capacitor Discharge Ignition) with potentially advanced timing maps for performance Power Delivery: Power Jet system on the carburetor aids in maintaining consistent power across RPM range 🔧 Maintenance Service Intervals Oil Change Transmission: Every 15-20 hours of operation or annually Air Filter Cleaning: After every few rides or as needed based on conditions Spark Plug Inspection: Every 10-15 hours of operation Top End Rebuild: Recommended every 40-60 hours of operation (piston, rings, power valve) Fluid Specifications Coolant: Honda Motorcycle Coolant (or equivalent high-quality ethylene glycol-based coolant mixed 50/50 with distilled water) Brake Fluid: DOT 4 Two Stroke Oil: High-quality synthetic 2-stroke motorcycle oil (e.g., Honda HP-O, Yamalube 2S, Motul 800) Known Issues Power Valve Sticking: Common issue in 2-strokes due to carbon buildup; requires regular cleaning Clutch Wear: Can wear prematurely with aggressive riding; requires clutch plate replacement Suspension Seals: Fork seals can weep; periodic inspection and replacement recommended 📚 Vehicle History Brand Heritage Manufacturer: Honda Motor Company, Ltd. Model Evolution Cr Series Legacy: Part of Honda's highly successful CR series of motocross bikes, known for competitive performance 2004 Update Focus: This generation saw significant updates, particularly in chassis and...