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Robin EY20 Service Manual

Robin EY20
71 pages
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Table of Contents

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Robin EY20 Specifications

General IconGeneral
Ignition SystemTransistorized magneto
Starting SystemRecoil starter
FuelUnleaded gasoline
Oil Capacity0.6 liters
Displacement183 cc
Bore x Stroke67 x 52 mm
Dry Weight15 kg

Summary

Engine Specifications

Model Specifications Overview

Detailed specifications including bore, stroke, displacement, and output for EY15, EY20, EY28 models.

Disassembly and Reassembly Procedures

Component Disassembly Steps

Step-by-step guide for disassembling engine parts.

Component Reassembly Steps

Instructions for reassembling key engine components.

Tappet, Valve, and Ignition Assembly

Guidance on assembling tappets, valves, and ignition components.

Magneto Ignition System

Ignition Timing and Troubleshooting

Details ignition timing adjustment and magneto troubleshooting.

Governor System Adjustment

Governor Adjustment Procedure

Step-by-step guide to adjust the governor for constant engine speed.

Carburetor Operation and Maintenance

Carburetor Disassembly and Reassembly

Procedures for disassembling and reassembling the carburetor.

Break-In Procedure for Reassembled Engines

Recommended Break-In Schedule

Provides a schedule for low-speed break-in operations after overhaul.

Engine Troubleshooting Guide

Starting Difficulties and Causes

Identifies causes for engine starting difficulties (fuel, compression, electrical).

Recoil Starter Maintenance

Recoil Starter Disassembly and Reassembly

Step-by-step procedures for disassembling and reassembling the recoil starter.

Maintenance and Storing Procedures

Daily, 20-Hour, and 50-Hour Maintenance

Details daily checks, 20-hour, and 50-hour maintenance tasks.

100-200 Hour, 500-600 Hour, and 1000 Hour Maintenance

Outlines maintenance intervals for 100-200, 500-600, and 1000 hours.

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