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Sym Fiddle II 125 AW12W User Manual

Sym Fiddle II 125 AW12W
182 pages
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SERVICE MANUAL
Fiddle II 125 – AW12W
http://www.motorcycle.in.th

Table of Contents

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Sym Fiddle II 125 AW12W Specifications

General IconGeneral
Displacement124.6 cc
TransmissionCVT
Front SuspensionTelescopic fork
Rear SuspensionUnit Swing
Front BrakeDisc
Rear BrakeDrum
Front Tire110/70-12
Rear Tire120/70-12
Seat Height780 mm
Height1135 mm
Engine Type4-stroke
Fuel SystemFuel injection

Summary

General Information and Trouble Diagnosis

General Safety Precautions

Outlines essential safety measures for operating and servicing the motorcycle.

Service Precautions

Details critical procedures and cautions for motorcycle service and maintenance.

Engine Torque Values

Specifies torque values for engine bolts and nuts during assembly/disassembly.

Frame Torque Values

Specifies torque values for frame bolts and nuts during assembly/disassembly.

Trouble Diagnosis Guide

Provides systematic troubleshooting steps for common engine starting and running issues.

Maintenance Information

Periodical Maintenance Schedule

Outlines recommended maintenance intervals and tasks for optimal performance.

Valve Clearance Inspection and Adjustment

Procedures for checking and adjusting valve clearance when the engine is cold.

Carburetor Idle Speed Adjustment

Guides on adjusting carburetor idle speed and emission levels.

Ignition System and Spark Plug

Covers ignition timing checks and spark plug inspection/replacement.

Front Disc Brake System Maintenance

Covers brake hose inspection, brake fluid levels, and bleeding procedures.

Drum Brake System Maintenance

Details free play adjustment and confirmation for drum brake systems.

Lubrication System

Engine Oil Service

Procedures for checking engine oil level, oil replacement, and strainer cleaning.

Oil Pump Service

Covers oil pump removal, disassembly, inspection, and re-assembly.

Gear Oil Service

Details gear oil level inspection and replacement procedures.

Fuel System

Carburetor Removal and Installation

Step-by-step guide for removing and installing the carburetor.

Carburetor Adjustments

Procedures for carburetor installation, fuel level check, and idle speed adjustment.

Engine Removal

Engine Removal Procedure

Step-by-step guide for removing the engine, including electrical connections.

Engine Installation Procedure

Steps for installing the engine, including safety and routing of cables.

Cylinder Head and Valve

Camshaft Removal and Inspection

Steps for removing the camshaft and inspecting its components.

Cylinder Head Removal

Detailed procedure for removing the cylinder head.

Cylinder Head Disassembly

Steps for disassembling the cylinder head, including valve spring removal.

Cylinder Head Inspection

Procedures for inspecting cylinder head flatness, valve springs, stems, and guides.

Valve Seat Inspection and Service

Methods for inspecting and servicing valve seats, including grinding.

Cylinder Head Reassembly

Instructions for reassembling the cylinder head, including valve installation.

Cylinder Head Installation

Steps for installing the cylinder head and camshaft.

Camshaft Installation

Procedures for installing the camshaft assembly.

Valve Clearance Adjustment

Procedure for adjusting valve clearance using a feeler gauge and specific torque values.

Cylinder and Piston

Cylinder Removal

Step-by-step guide for removing the cylinder.

Piston Removal and Ring Installation

Procedures for removing piston rings and measuring clearances.

Piston and Cylinder Installation

Instructions for installing the piston into the cylinder and cylinder onto the crankcase.

V-Belt Driving System and Kick Starter Arm

Driving Belt Service

Covers driving belt removal, inspection, and installation.

Clutch and Driven Pulley Service

Covers clutch/driven pulley disassembly, inspection, and replacement.

Final Driving Mechanism

Bearing Replacement

Procedures for checking and replacing bearings in the gear box.

A.C. Generator and Starting Clutch

A.C. Generator Removal

Procedures for draining oil and removing the A.C. generator components.

Starting Clutch Service

Covers starting clutch removal, inspection, disassembly, and installation.

Crankcase and Crankshaft

Crankcase Disassembly

Step-by-step guide for disassembling the crankcase.

Crankshaft Inspection

Procedures for inspecting crankshaft clearances, run-out, and bearings.

Crankcase Assembly

Instructions for assembling the crankcase, including chain tensioner installation.

Brake System

Brake Fluid Replacement and Air Bleeding

Procedures for replacing brake fluid and bleeding air from the hydraulic system.

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