🏷️ Basic Information Identification Make: Hodaka Model: Singles (90cc & 125cc) Product Name: HODAKA 90CC 125CC SINGLES Service Repair Manual 1964-1975 👋 Introduction Market Position Target Audience: Hodaka owners, vintage motorcycle enthusiasts, independent repair shops, hobbyists. Competitive Analysis Differentiation: Make, model, and year-specific coverage, avoiding generic manuals. Instant download for immediate access. Key Features Ease Of Use: Easy-to-follow detailed instructions and step-by-step diagrams. Completeness: Covers everything from basic maintenance to full engine rebuilds and electrical systems. 📋 Manual Details Coverage Areas Covered Years: 1964, 1965, 1966, 1967, 1968, 1969, 1970, 1971, 1972, 1973, 1974, 1975 Covered Engine Displacements: 90cc, 125cc Technical Scope: Workshop Repair Procedures, Re-wiring, Engine Rebuilding, Electrical Diagrams, Service Procedures, Fluid Capacities Page Count Estimated Page Count: Variable (Digital Manual) Manual Type Type: Service Repair Manual Language Language: English Format Digital Format: PDF Delivery Method: Instant Download 📖 Manual Coverage Systems Covered Engine: Engine Removal/Installation, Cylinder Head/Valve, Cylinder/Piston, Crankcase, Transmission, Crankshaft/Primary Shaft, Sub Transmission Fuel System: Fuel System, Carburetor Tuning Drivetrain: Clutch, Gearshift Linkage, Transmission, Crankshaft/Primary Shaft Suspension And Steering: Front Wheel/Suspension, Rear Wheel/Suspension Brakes: Hydraulic Brake System Electrical: Electrical Diagrams, Battery/Charging System, Ignition System, Electric Starter, Switches Procedures Included Maintenance: Lubrication, Inspection and Adjustment, General Maintenance, Service Procedures Repair: Engine Rebuilding, Full Component Rebuilds, Electrical System Repair Troubleshooting: Troubleshooting Guides Technical Depth Depth: Comprehensive workshop level repair and maintenance, including detailed diagrams and step-by-step instructions. 📊 Manual Specifications File Format Compatibility: PC/MAC Compatible Viewing Features: Zoom In/Out Capability Print Quality Print Option: Print specific pages or the entire manual Binding Type Binding: N/A (Digital PDF) Paper Type Paper: N/A (Digital PDF) ⚙️ Engine Specifications Primary Engine Engine Type: Single-cylinder, 2-stroke (typical for the era and displacements) Bore Stroke: Not specified, but essential data expected within the manual. Performance Horsepower: Variable by model (e.g., 90cc typically 5-8 HP, 125cc typically 8-12 HP for the era) Torque: Not specified, but essential data expected within the manual. Fuel System Carburetion: Single Carburetor (specific model and size details will be in the manual) Fuel Type: Pre-mix gasoline/oil (standard for 2-stroke engines of this era) Lubrication Transmission Oil Type: Specific gearbox oil type and grade (e.g., SAE 80W or 90W GL-3/GL-4) will be detailed in the manual. Cooling Cooling System: Air-cooled 🔧 Transmission Standard Transmission Type: Manual Transmission (number of speeds varies by model, typically 4 or 5-speed) Optional Clutch Type: Wet multi-plate clutch Features Gearshift: Foot-actuated gearshift linkage 📐 Dimensions Exterior Wheelbase: Model-specific, detailed in manual. Weights Dry Weight: Model-specific, typically under 200 lbs for these models. Fuel Capacity: Model-specific, typically 1.5 - 2.5 gallons. 🛡️ Safety Features Ratings Safety Features: Focus on mechanical safety; relies on rider skill and proper maintenance. No electronic safety assists typical of modern vehicles. Active Features Braking System: Front and Rear Drum Brakes (or early disc brake on some later models), Hydraulic Brake System details covered. Passive Features Frame Construction: Steel frame construction, details on frame inspection and repair. 💡 Technology Features Infotainment Infotainment System: N/A (Motorcycle) Driver Assistance Assistance Features: N/A (Motorcycle) Connectivity Connectivity Features: N/A (Motorcycle) Ignition System Ignition Type Coverage: Covers both points and condenser ignition systems as well as potential CDI systems on later models. 🔧 Maintenance Service Intervals Tune Up Interval: Typically every 1,000-2,000 miles, or annually. Specifics in manual. Oil Change Interval: Gearbox oil change typically every 6,000 miles or annually. Engine oil is pre-mixed with fuel. Fluid Specifications Transmission Oil Grade: SAE 80W or SAE 90W, GL-3 or GL-4 rated gear oil (refer to manual for exact specification). Brake Fluid Type: DOT 3 or DOT 4 hydraulic brake fluid (if hydraulic system is present/applicable). Known Issues Common Wear Items: Clutch plates, piston rings, seals, sprockets, chain, cables, spark plugs, carburetor jets. Ignition System: Points and condenser ignition requires regular cleaning and adjustment; CDI systems on later models are more reliable. Maintenance Tasks Carburetor Cleaning: Regular cleaning and adjustment of the carburetor is crucial for optimal performance and starting. Chain Lubrication: Regular chain cleaning and lubrication is essential for drivetrain longevity. 📚 Vehicle History Brand Heritage Manufacturer: Hodaka was a brand of motorcycles manufactured by Hodaka Kogyo Co., Ltd. in Japan, and often associated with importer Fred Wilcox in the US. Model Evolution Hodaka Singles: Hodaka singles were known for their robust simplicity, off-road prowess, and affordability, popular in motocross and trail riding during their era. Production Production Period: 1964-1975, capturing a significant period of early off-road motorcycling development. 🏆 Awards & Recognition Recognitions Model Recognition: Hodaka motorcycles of this era were popular in AMA District 37 desert racing and motocross events, earning a reputation for durability and value.