Engine:
Complete overhaul, tuning, carburetor/fuel injection, cooling, lubrication, starting and charging systems.
Transmission:
Service, repair, clutch operation, gear selection, final drive.
Brakes:
Hydraulic system, brake pads/shoes, lines, master cylinder, caliper/drum servicing.
Electrical System:
Wiring diagrams, battery, alternator, ignition system, lighting, instrumentation, starter motor.
Suspension:
Front forks, rear shock absorbers, linkages, springs, adjustments.
Steering:
Handlebar, steering stem, bearings, adjustments.
Chassis Bodywork:
Frame inspection, body panels, seat, fuel tank, fenders, exhaust system.
Cooling System:
Radiator (if applicable), coolant, hoses, thermostat.
Fuel System:
Fuel tank, petcock, fuel lines, carburetor(s) (including jetting and tuning), fuel pump (if applicable).
Emission System:
Information on emission control devices relevant to the model years.
Engine Control System:
Ignition timing, CDI unit, and related components.
Axle:
Front and rear wheel bearings, axle maintenance, chain adjustment (if applicable).
Maintenance:
Routine checks, lubrication, filter changes, spark plug replacement, valve clearance adjustment.
Troubleshooting:
Diagnostic procedures for common and uncommon faults, symptom-based troubleshooting guides.
Repair:
Step-by-step instructions for component disassembly, repair, and reassembly.
Refurbishment Renovation:
Guidance on restoring components and the overall vehicle.
Wiring Diagrams:
Detailed electrical schematics for accurate diagnosis and repair.
Periodic Lubrication:
Detailed schedule and specifications for all lubrication points including chassis, cables, and engine components.
Engine Overhaul:
Complete step-by-step instructions for engine disassembly, inspection, repair, and reassembly, including torque specifications for critical components.
Chassis Body Repair:
Procedures for frame inspection, minor repairs, and body panel removal/installation.
Restraint System:
Information pertaining to rider safety features, such as proper use of brakes and steering for stability.
Fuel Injection Fuel System:
Detailed procedures for carburetor cleaning, adjustment, jetting, and troubleshooting. If fuel injected, comprehensive diagrams and repair steps.
Engine Control System:
Diagnosis and repair of ignition system components (CDI, ignition coil, spark plug) and timing adjustments.
Depth:
Comprehensive coverage from basic maintenance to full engine and transmission overhauls, including electrical diagnostics.
Oil Change Interval:
Typically every 3,000-6,000 km or annually, exact interval specified in manual.
Valve Clearance Interval:
Generally checked every 6,000-12,000 km, detailed procedures in manual.
Engine Oil Type:
Yamalube or equivalent motorcycle-specific 10W-40 or 20W-50 API SG or higher oil, refer to manual for precise viscosity and API rating.
Brake Fluid Type:
DOT 3 or DOT 4 hydraulic brake fluid, ensure compatibility as specified in the manual.
Coolant Type:
If liquid-cooled, a 50/50 mixture of ethylene glycol-based antifreeze and distilled water. Check manual for specific type.
Carburetor Wear:
Older carburetors can experience wear in the slide, needle, and jets, leading to tuning issues. Manual provides rebuilding instructions.
Electrical Connector Corrosion:
Common in older vehicles, especially if exposed to moisture. Manual's wiring diagrams are crucial for diagnosing these issues.
Suspension Seal Leaks:
Fork seals and rear shock seals can degrade over time. The manual details fork oil changes and seal replacement.
Exhaust Leakage:
Gaskets and pipe connections can deteriorate, leading to exhaust leaks. Manual assists in replacement.
