Vehicle Category:
Lightweight, entry-level ATV, often used for recreational purposes or light trail riding.
Target Audience For Manual:
DIY mechanics, ATV enthusiasts, small-scale repair shops, and owners seeking to perform their own maintenance and repairs.
Competitors Era:
Competed with other entry-level ATVs from brands like Honda, Suzuki, and Kawasaki during its production run.
Vehicle Design Philosophy:
Focus on simplicity, reliability, and ease of operation for younger riders or recreational use.
Manual Utility:
Enables users to maintain and repair their Yamaha YT60 effectively, saving on dealership service costs.
Primary Coverage:
Complete Service and Repair
Included Topics:
Engine, General Information, Transmission, Chassis, Lighting, Steering, Seats System, Clutch, Suspension, Locks, Brakes, Lubrication, Electrical, Frame, Fuel System, Battery
Specific Sections Highlighted:
Engine, General Information, Transmission, Chassis, Lightning, Steering, Seats System, Clutch, Suspension, Locks, Brakes, Lubrication, Electrical, Frame, Fuel System, Battery.
Page Count Estimation:
Estimated 200-400 pages (typical for comprehensive service manuals of this era/type; exact count not specified)
Manual Type:
Workshop Service Repair Manual
Format:
Adobe Acrobat PDF
Delivery Method:
Instant Digital Delivery
Engine System:
Detailed engine overhaul, diagnostics, carburetor tuning, ignition system, cooling (air-cooled specific), lubrication, and internal component specifications.
Transmission System:
Clutch operation, engagement, disengagement, lubrication, and potential maintenance of the automatic transmission or gear selection mechanism.
Chassis And Frame:
Frame inspection, welding procedures, component mounting, suspension fork overhaul, rear shock absorber servicing, steering bearing maintenance, and wheel assembly.
Electrical System:
Wiring diagrams, lighting circuits, ignition coil testing, battery charging system, starter motor operation, fuse identification, and troubleshooting electrical faults.
Fuel System:
Fuel tank maintenance, fuel line routing, fuel filter replacement, and detailed carburetor service and adjustment procedures.
Brakes System:
Brake lever adjustment, cable lubrication, brake shoe inspection and replacement, and drum brake adjustment procedures.
Steering System:
Handlebar mounting, steering column lubrication, steering stop checks, and front fork alignment.
Lubrication System:
Gearbox oil type and capacity, chain lubrication, bearing lubrication points, and general lubrication recommendations.
General Maintenance:
Routine checks, cleaning procedures, and preventative maintenance tasks.
Troubleshooting Diagnostics:
Systematic fault finding for common issues related to engine performance, electrical faults, and mechanical failures.
Engine Overhaul:
Step-by-step instructions for engine disassembly, inspection of internal components (piston, rings, cylinder, crankshaft), reassembly, and break-in procedures.
Carburetor Rebuild And Tuning:
Complete carburetor disassembly, cleaning, parts replacement (jets, needles, gaskets), and adjustment for optimal performance and fuel mixture.
Electrical Component Testing:
Procedures for testing spark plugs, ignition coils, stator output, rectifier/regulator function, and battery health.
Brake System Servicing:
Adjustment of brake levers and cables, replacement of brake shoes, and cleaning of brake drums.
Suspension And Steering Adjustment:
Lubrication of steering head bearings, adjustment of front fork components (if applicable), and basic suspension checks.
Depth Of Coverage:
Comprehensive, covering everything from basic maintenance and troubleshooting to full engine rebuilds and component overhauls.
Diagnostic Capabilities:
Includes detailed diagnostic procedures and symptom-to-cause troubleshooting guides.
Specifications Accuracy:
Provides precise torque specifications, clearances, fluid capacities, and measurement data for accurate repairs.
Engine Type:
Air-cooled, two-stroke, single-cylinder
Engine Displacement:
Approximately 60cc (exact specification may vary slightly based on internal Yamaha designations)
Bore X Stroke:
Typical for 60cc two-strokes of the era; precise figures would be in the manual.
Horsepower Estimation:
Likely in the range of 5-8 HP; specific dyno figures are typically not published for this class of ATV.
Torque Estimation:
Low to moderate torque, suitable for its intended lightweight application.
Fuel Delivery:
Carburetor
Carburetor Model:
Specific Mikuni or Keihin model would be detailed in the manual.
Fuel Type:
Unleaded gasoline with appropriate two-stroke oil pre-mix or oil injection system (if equipped).
Ignition Type:
CDI (Capacitor Discharge Ignition)
Lubrication Type:
Pre-mix or oil injection (depending on specific sub-model or region).
Oil Change Interval:
Typically every 20-30 hours of operation or annually, detailed in manual.
Spark Plug Replacement:
Recommended at 50-100 hours or based on inspection; specific plug type and gap in manual.
Air Filter Cleaning:
Frequent checks and cleaning/replacement advised, especially in dusty conditions.
Transmission Oil Type:
Yamaha specific gear oil or equivalent API GL-4 SAE 80W-90; confirmed in manual.
Two Stroke Oil:
High-quality two-stroke engine oil (API TC, JASO FD recommended) for fuel pre-mix or injection system.
Carburetor Clogging:
Common for older carbureted engines, especially with fuel sitting.
Ignition System Faults:
Potential failure of CDI unit, stator, or ignition coil over time.
Brake Wear:
Drum brake systems require regular adjustment and shoe replacement.
Two Stroke Engine Wear:
Requires proper oil/fuel mixture and maintenance to prevent premature wear.
