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PREFACE
This Service Manual describes the
technical features and servicing
procedures for the KYMCO FILLY 50.
Section 1 contains the precautions for all
operations stated in this manual. Read
them carefully before starting any
operation.
Section 2 is the removal/installation
procedures for the frame covers which
are subject to higher removal/installation
frequency during maintenance and
servicing operations.
Section 3 describes the inspection/
adjustment procedures, safety rules and
service information for each part, starting
from periodic maintenance.
Sections 6 through 18 give instructions
for disassembly, assembly and inspection
of engine, chassis frame and electrical
equipment.
Most sections start with an assembly or
system illustration and troubleshooting
for the section. The subsequent pages
give detailed procedures for the section.
The information and contents included
in this manual may be different from
the motorcycle in case specifications
are changed.
KWANG YANG MOTOR CO., LTD.
OVERSEAS SALES DEPARTMENT
OVERSEAS SERVICE SECTION
TABLE OF CONTENTS
GENERAL INFORMATION
FRAME COVERS/EXHAUST MUFFLER
INSPECTION/ADJUSTMENT
LUBRICATION SYSTEM
FUEL SYSTEM
ENGINE REMOVAL/INSTALLATION
CYLINDER HEAD/VALVES
CYLINDER/PISTON
DRIVE AND DRIVEN PULLEYS/KICK
STARTER
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
INSTRUMENTS/SWITCHES/LIGHTS
EVAPORATIVE EMISSION CONTROL
SYSTEM
EXHAUST EMISSION CONTROL
SYSTEM
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
18

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Summary of Contents for KYMCO FILLY 50

  • Page 1 TABLE OF CONTENTS This Service Manual describes the GENERAL INFORMATION technical features and servicing FRAME COVERS/EXHAUST MUFFLER procedures for the KYMCO FILLY 50. INSPECTION/ADJUSTMENT Section 1 contains the precautions for all LUBRICATION SYSTEM operations stated in this manual. Read them carefully before starting any FUEL SYSTEM operation.
  • Page 2: Table Of Contents

    . GENERAL INFORMATION ENGINE SERIAL NUMBER ......1- 1 LUBRICATION POINTS........1-13 SPECIFICATION ...........1- 2 CABLE & HARNESS ROUTING......1-15 SERVICE PRECAUTIONS ........1- 3 WIRING DIAGRAM ...........1-20 TORQUE VALUES..........1- 11 TROUBLESHOOTING........1-21 SPECIAL TOOLS ..........1-12 ENGINE SERIAL NUMBER Location of Engine Serial Number...
  • Page 3: Specification

    . GENERAL INFORMATION SPECIFICATIONS Motorcycle Name & Type Air cleaner type & No Paper element, wet Name & Model No. SD10AA Fuel capacity 6.2 liter Overall length (mm) 1660 Type Overall width (mm) Piston dia. (mm) φ18 equivalent Overall height (mm) 1070 Venturi dia.(mm) Wheel base (mm)
  • Page 4: Service Precautions

    . GENERAL INFORMATION SERVICE PRECAUTIONS Make sure to install new gaskets, O-rings, circlips, cotter pins, etc. when reassembling. When tightening bolts or nuts, begin with larger- diameter to smaller ones at several times, and tighten to the specified torque diagonally. Use genuine parts and lubricants.
  • Page 5 . GENERAL INFORMATION the specified lubrication points. After reassembly, check all parts for proper tightening and operation. When two persons work together, pay attention to the mutual working safety. Disconnect the battery negative (-) terminal before operation. When using a spanner or other tools, make sure not to damage the motorcycle surface.
  • Page 6 . GENERAL INFORMATION After operation, terminal caps shall be installed securely. When taking out the connector, the lock on the connector shall be released before operation. Hold the connector body when connecting or disconnecting it. Do not pull the connector wire. Check if any connector terminal is bending, protruding or loose.
  • Page 7 . GENERAL INFORMATION Check if there is any loose wire. Before connecting a terminal, check for damaged terminal cover or loose negative terminal. Check the double connector cover for proper coverage and installation. Insert the terminal completely. Check the terminal cover for proper coverage. Do not make the terminal cover opening face up.
  • Page 8 . GENERAL INFORMATION Do not squeeze wires against the weld or its clamp. After clamping, check each harness to make sure that it is not interfering with any moving or sliding parts. When fixing the wire harnesses, do not make it No Contact ! contact the parts which will generate high heat.
  • Page 9 . GENERAL INFORMATION Protect wires and harnesses with electrical tape or tube if they contact a sharp edge or corner. When rubber protecting cover is used to protect the wire harnesses, it shall be installed securely. Do not break the sheath of wire. If a wire or harness is with a broken sheath, repair by wrapping it with protective tape or replace it.
  • Page 10 . GENERAL INFORMATION Wire harnesses routed along with handlebar should not be pulled tight, have excessive slack or interfere with adjacent or surrounding parts in all steering positions. Do you understand the instrument? Is the instrument set correctly? When a testing device is used, make sure to understand the operating methods thoroughly and operate according to the operating instructions.
  • Page 11: Torque Values

    . GENERAL INFORMATION Grease : Apply grease for lubrication. : Transmission Gear Oil (90#) Gear Oil Special : Use special tool. : Caution : Warning ( 12-3) : Refer to page 12-3. TORQUE VALUES STANDARD TORQUE VALUES Item Torque (kg-m) Item Torque (kg-m) 5mm bolt, nut...
  • Page 12: Special Tools

    . GENERAL INFORMATION 6mm bolt, nut 6mm screw, SH bolt 8mm bolt, nut 6mm flange bolt, nut 10mm bolt, nut 8mm flange bolt, nut 12mm bolt, nut 10mm flange bolt, nut Torque specifications listed below are for important fasteners. ENGINE Item Q‘ty Thread dia.(mm)
  • Page 13: Lubrication Points

    . GENERAL INFORMATION Valve spring compressor Lock nut wrench, 39mm Bearing driver Bearing driver Bearing remover, 12mm Remover set, 12mm Remove head, 12mm Remover shaft Remover weight Bearing remover, 15mm Driver set, 15mm Driver shaft, 15mm Driver head, 15mm Driver weight Bearing driver Driver handle Driver weight...
  • Page 14 . GENERAL INFORMATION •Genuine KYMCO Engine Oil (SAE10W-30) Valve guide/valve stem movable part •API−SG Engine Oil Cam lobes Valve rocker arm friction surface Cam chain Cylinder lock bolt and nut Piston surroundings and piston ring grooves Piston pin surroundings Cylinder inside wall...
  • Page 15: Cable & Harness Routing

    . GENERAL INFORMATION Engine/ Oil Grease Front Brake Cable/ Front Brake Lever Speedometer Cable/ Pivot Throttle Cable Grease Seat Lock Engine Oil Grease Rear Brake Cable Speedometer Gear/ Front Wheel Grease Bearings/ Brake Cam/ Anchor Pin /Front Grease Grease Brake Cam/ Shock Absorber Lower Mount Anchor Pin Main Stand Pivot...
  • Page 16 . GENERAL INFORMATION Throttle Cable Speedometer Cable Headlight Wire Connector Ignition Switch Headlight Resistor Regulator/Rectifier Auto Bystarter Resistor Horn Winker 1-15...
  • Page 17 . GENERAL INFORMATION Regulator/Rectifier Wire Harness Headlight Resistor Auto Bystarter Resistor Throttle Cable Rear Brake Cable Speedometer Cable Front Brake Cable Starter Relay CDI Unit 1-16...
  • Page 18 . GENERAL INFORMATION Battery (+) Cable Battery (-) Cable Battery (-) Cable Battery (+) Cable Fuse Starter Relay 1-17...
  • Page 19 . GENERAL INFORMATION FCV (Fuel Control Valve Fuel Vapor Purge Control Valve Recovery Tube /Charcoal Canister Fuel Tube Ignition Coil Primary Wire Throttle Cable Ignition Wire Carburetor Overflow Tube Vacuum Tee Crankcase Breather Tube Fuel Unit Fuel Vapor Recovery Tube Fuel Tube Carburetor Breather Tube...
  • Page 20: Wiring Diagram

    . GENERAL INFORMATION FCV (Fuel Control Valve Throttle Cable Wire Harness Auto Bystarter Wire Vacuum Tube Ignition Coil FCV (Fuel Control Valve Spark Plug Cap Wire Harness Vacuum Tube Purge Control Valve /Charcoal Canister Auto Bystarter Starter Motor Wire Crankcase Breather Tube WIRING DIAGRAM Orange...
  • Page 21: Troubleshooting

    . GENERAL INFORMATION Blue Gray Yellow TROUBLESHOOTING ENGINE WILL NOT START OR IS HARD TO START Inspection/Adjustment Probable Cause 1-20...
  • Page 22 . GENERAL INFORMATION Symptom Check if fuel reaches carburetor by loosening drain screw Empty fuel tank Clogged fuel line between fuel tank and carburetor Clogged float oil passage Fuel reaches Fuel does not Clogged fuel tank cap breather carburetor reach carburetor hole Clogged fuel filter Clogged fuel strainer...
  • Page 23 . GENERAL INFORMATION Clogged exhaust muffler Faulty auto bystarter Split carburetor vacuum piston diaphragm Check ignition timing Faulty auto fuel valve using a timing light Faulty CDI unit Incorrect timing Correct timing Faulty pulser coil Check valve clearance Improper valve clearance adjustment Correct Incorrect...
  • Page 24 . GENERAL INFORMATION Faulty CDI unit Incorrect timing Correct timing Faulty pulser coil Check carburetor pilot screw adjustment Mixture too rich (turn screw Correctly adjusted Incorrectly adjusted out) Mixture too lean (turn screw in) Check carburetor gasket for air leaks Deteriorated O-ring Carburetor not securely No air leak...
  • Page 25 . GENERAL INFORMATION Faulty CDI unit Correct timing Incorrect timing Faulty pulser coil Check valve clearance Improperly adjusted valve clearance Correctly adjusted Worn camshaft Incorrectly adjusted Worn valve seat Check fuel pump for fuel supply Empty fuel tank Clogged fuel tube or filter Fuel flows freely Fuel flow restricted Faulty charcoal canister...
  • Page 26 . GENERAL INFORMATION Dead battery Voltage does not Normal voltage increase Faulty battery Measure resistance between AC generator coil terminals Faulty A.C. generator coil Normal Resistance too high Broken yellow wire Loose connector Connect battery (+) wire to regulator/rectifier coupler red wire and battery (-) wire to engine ground and test voltage Normal voltage...
  • Page 27 . GENERAL INFORMATION Good spark Weak or no spark Faulty old spark plug Check spark plug cap and high-tension wire for looseness Not loose Loose spark plug cap Loose Check CDI unit coupler for looseness Good Good Poorly connected coupler Measure resistance between CDI unit coupler wire terminals...

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