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Overview of the service manual's purpose and scope.
Guidance on navigating and utilizing the manual's features effectively.
Visual representation of the scooter with labeled components.
Explanation of symbols and marks used for service indications.
Crucial safety precautions related to fuel, battery, and hot components.
Guidelines for proper maintenance and part handling to prevent damage.
Diagnosing and resolving engine starting and sluggishness problems.
Schedule for routine inspections, cleaning, and replacements.
Procedure for removing, cleaning, and installing the air cleaner element.
Steps for replacing the fuel filter to ensure proper fuel delivery.
Instructions for battery removal, installation, and inspection.
Guidance on spark plug inspection, cleaning, and replacement.
Schematic illustrating the lubrication system components.
Common problems and solutions for the lubrication system.
Procedure for safely removing the oil pump for maintenance.
Diagnosing and resolving issues with engine starting and stalling.
Instructions for removing, inspecting, and installing the throttle valve.
Procedure for checking the auto by-starter's resistance and function.
Guidance on inspecting and replacing the fuel pump.
Step-by-step guide for removing the engine from the scooter.
Instructions for servicing both drum and disc rear brake systems.
Procedures for removing, disassembling, and assembling the engine hanger bracket.
Diagnosing low/high compression pressure, piston, and ring noises.
Detailed steps for removing the cylinder head assembly.
Procedure for removing and inspecting the piston and its rings.
Step-by-step guide for removing the AC generator assembly.
Instructions for correctly installing the AC generator assembly.
Diagnosing issues like no movement, shudder, or poor high-speed performance.
Procedure for removing, inspecting, and installing the drive belt.
Instructions for disassembling, inspecting, and servicing the clutch/driven pulley.
Diagnosing problems like no movement, noise, or gear oil leaks.
Step-by-step guide for dismantling the final driving mechanism.
Checking drive shaft, countershaft, and bearings for wear or damage.
Identifying causes of engine noise related to bearings and rods.
Procedure for disassembling the crankcase.
Measuring crankshaft clearances and checking bearings for wear.
Overview of body parts and sequence for cover disassembly.
Instructions for removing and installing the steering handle covers.
Procedure for removing the front cover of the scooter.
Steps for removing the luggage box and battery cover.
Diagnosing issues with disc and drum brakes: soft, hard, uneven, or noisy brakes.
Procedures for hydraulic disc brake maintenance and fluid changes.
Steps for bleeding air from the hydraulic disc brake system.
Instructions for removing, installing, and servicing the brake caliper.
Diagnosing problems like hard steering, tilted handle, or front wheel wobbling.
Procedure for removing and installing the steering handle components.
Instructions for removing, inspecting, and replacing front wheel bearings.
Steps for removing, installing, and adjusting the steering stem.
Diagnosing rear wheel wobbling and cushion performance issues.
Procedure for removing, inspecting, and installing the rear wheel.
Instructions for removing and installing the rear cushion assembly.
Diagnosing problems related to voltage, spark, starter motor, and charging.
Procedures for battery removal, voltage check, charging, and leakage test.
Inspection and testing of the ignition coil and related components.
Inspection and testing of the starter relay and motor.
Instructions for replacing headlight, position, and winker bulbs.
Comprehensive wiring diagram for the scooter's electrical systems.
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General