This Cyclepedia Press scooter service manual provides repair information for KYMCO Cobra 50, Top Boy 50 & Top Boy 100 four-stroke scooters. This manual includes detailed step-by-step instructions, black and white photographs, as well as wiring diagrams. All procedures in this manual were performed by an experienced dealer-trained scooter technician.

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Models Covered

• KYMCO Cobra 50 Scooter
• KYMCO Top Boy 50 Scooter
• KYMCO Top Boy 100 Scooter

Table of Contents

• General Information
• Frame Covers & Exhaust Muffler
• Inspection & Adjustment
• Lubrication System
• Fuel System
• Engine Removal & Installation
• Cylinder Head
• Cylinder & Piston
• Drive & Driven Pulleys
• Final Reduction
• Crankcase & Crankshaft
• Front Wheel, Front Brake & Front Suspension
• Rear Wheel, Rear Brake & Rear Suspension
• Battery, Charging System & A.C. Generator
• Ignition System
• Starting System
• Lights, Instruments & Switches

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