Engine Mechanical:
Engine assembly, disassembly, inspection, repair, tuning, troubleshooting.
Fuel System:
Fuel injection system, fuel pump, injectors, fuel filter, fuel tank maintenance and repair.
Ignition System:
Ignition coil, spark plug, ECU control, timing.
Cooling System:
Radiator, water pump, thermostat, coolant flow, fan operation.
Exhaust System:
Muffler, catalytic converter, exhaust pipes, emissions control.
Transmission Drivetrain:
Automatic transmission (CVT), clutch, drive belt, gear oil, final drive maintenance and repair.
Chassis Frame:
Frame inspection, welding, straightening procedures.
Suspension System:
Front fork, rear shock absorber, swingarm, linkage, lubrication, adjustment, repair.
Brake System:
Front and rear brake calipers, master cylinders, brake lines, brake pads, brake fluid, bleeding procedures, inspection.
Wheel Tire Assembly:
Wheel bearings, tire pressure, tire replacement, wheel balancing.
Steering System:
Handlebar, steering stem, steering bearings, lubrication, adjustment.
Electrical System:
Wiring diagrams, battery, starter motor, alternator, lighting (headlight, taillight, indicators), horn, fuses, relays.
Instrumentation:
Speedometer, odometer, fuel gauge, indicator lights, diagnostics.
Bodywork Panels:
Fairings, seat, storage compartment, mounting and removal procedures, cosmetic repairs.
Lighting And Signaling:
Headlights, taillights, turn signals, brake lights, wiring, bulb replacement.
Routine Maintenance:
Oil changes, filter replacements, spark plug checks, air filter cleaning/replacement, brake system checks, chain/belt adjustment.
Troubleshooting:
Diagnostic procedures for common and uncommon issues, fault codes, symptom-based repair guidance.
Engine Rebuild:
Detailed steps for complete engine disassembly, component inspection, measurement, and reassembly.
Transmission Repair:
CVT system overhaul, clutch replacement, drive belt inspection and replacement, final drive service.
Suspension Overhaul:
Fork seal replacement, shock absorber servicing, bearing replacement.
Brake System Repair:
Caliper overhaul, master cylinder replacement, brake line flushing and bleeding.
Electrical Diagnostics:
Wiring diagram interpretation, component testing, fault finding.
Bodywork Repair:
Panel removal and installation, fairing repair techniques.
Torque Specifications:
Precise torque values for all critical fasteners.
Depth Of Information:
Comprehensive factory-level repair and maintenance information, suitable for professional technicians and advanced DIY enthusiasts.
Diagnostic Capabilities:
Detailed diagnostic charts, symptom analysis, and troubleshooting flowcharts.
Rebuild Instructions:
Complete instructions for rebuilding major vehicle components.
Engine Type:
4-stroke, Liquid-cooled, SOHC, 2-valve
Displacement:
49.4 cc (Note: Exact displacement for PZ50W might vary slightly, but 50cc is typical for this class. Manual will confirm specific value.)
Bore X Stroke:
Precise dimensions available in manual (e.g., 39.0 mm x 41.4 mm for typical 50cc GY6 variants).
Horsepower:
Approx. 3.5 - 4.0 HP (Specific figures will be in the manual).
Torque:
Approx. 3.0 - 3.5 Nm (Specific figures will be in the manual).
Fuel Delivery:
Fuel Injection (FI) - Specific system details in manual.
Fuel Type:
Unleaded gasoline
Ignition System Type:
T.C.I. (Transistor Controlled Ignition)
Cooling Method:
Liquid Cooling
Oil Type:
Yamaha recommends specific grade motorcycle oil (e.g., Yamalube 4, 10W-40 API SG or higher) - precise specification in manual.
Oil Capacity:
Approx. 0.8 - 0.9 Liters (Specific value and filter change capacity in manual).
Engine Oil Change:
Recommended every 3,000-5,000 km or annually (refer to manual for exact interval based on usage).
Air Filter Cleaning:
Recommended every 2,000-3,000 km (refer to manual).
Spark Plug Replacement:
Recommended every 5,000-10,000 km (refer to manual for specific plug type and interval).
Transmission Oil Change:
Recommended every 6,000-10,000 km or annually (refer to manual).
Brake Fluid Flush:
Recommended every 2 years or as needed (refer to manual).
Coolant Type:
Ethylene glycol-based antifreeze coolant, mixed with distilled water. Specific type and ratio in manual.
Common Wear Items:
Drive belt, brake pads, tires, battery, spark plug are common wear items that may require regular replacement.
Electrical Connectors:
Corrosion on electrical connectors can sometimes lead to intermittent issues, addressable with manual's wiring diagrams.