Eton VECTOR ST 250 - Flywheel Removal

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Check the oil seal for wear or damage. Replace

it if necessary.

Install a new one bearing (6201LU) by bearing

driver.

Special tool:

Bearing driver

10-6 Flywheel Removal

Remove right crankcase cover.

Remove left crankcase cover.

Hold the flywheel by drive face with universal

holder.

Remove flywheel nut.

Special tool:

Universal Holder

Flywheel nut

Reduction gear

Oil seal

Bearing driver

Main Page

Table of Contents1
Safety Information2
Specifications2
Serial Numbers4
Torque Values5
Maintenance Data6
Maintenance Schedule7
Throttle Operation8
Throttle Cable Adjustment8
Air Cleaner8
Drive Chain9
Idle Speed9
Spark Plug9
Brake System10
Steering System12
Toe-In12
Steering Shaft Holder Bushing12
Engine Removal & Installation14
- Engine Installation15
- Lubrication System Diagram16
- Lubrication System Specifications17
- Lubrication System Troubleshooting17
- Engine Oil Change18
- Engine Oil Strainer Cleaning18
- Oil Pump Removal19
- Oil Pump Disassembly19
- Oil Pump Inspection20
- Oil Pump Re-Assembly20
- Oil Pump Installation21
- Gear Oil Change22
- Fuel System Diagram23
- Fuel System - Precautions in Operation24
- Carburetor Specifications24
- Fuel System - Trouble Diagnosis25
- Carburetor Removal and Installation26
- Air Cut-Off Valve Disassembly and Assembly27
- Throttle Valve Disassembly and Assembly28
- Float Chamber Disassembly and Inspection29
- Float Chamber Assembly30
- Checking Fuel Level30
- Installation of Carburetor30
- Adjustment of Idle Speed31
- Fuel Tank Removal and Installation32
- Fuel Unit Removal and Installation32
- Air Cleaner Removal and Installation33
- Cleaning Air Cleaner Element33
- Cylinder Head/Valve Diagram34
Cylinder HEAD & Cylinder Valve34
- Cylinder Head Specifications35
- Cylinder Head Troubleshooting36
- Low Compression Pressure36
- High Compression Pressure36
- Cylinder Head Removal37
- Cylinder Head Inspection40
- Camshaft Check40
- Rocker Arm Check41
- Rocker Arm Shaft Check41
- Valve Spring Free Length Check41
- Valve Guide Check42
- Valve Stem Replacement43
- Valve Seat Grinding Check44
- Valve Seat Width Check44
- Valve Seat Inspection and Service44
- Cylinder Head Reassembly46
- Cylinder Head Installation47
- Valve Clearance Adjustment49
- Cylinder/Piston Diagram50
- Cylinder Specifications51
- Cylinder Troubleshooting51
- Knock or Noise51
- Smoking in Exhaust Pipe51
- Cylinder and Piston Removal and Inspection52
- Piston Ring Installation55
- Piston Installation56
- Cylinder Installation56
- V-Belt Driving System Diagram58
- V-Belt Driving System Specifications59
- V-Belt Driving System Troubleshooting59
- Shudder or Misfire When Driving59
- Insufficient Horsepower or Poor High Speed Performance59
- Left Crankcase Cover Removal and Installation60
- Left Crankcase Cover Inspection61
- Drive Belt Removal and Inspection62
- Drive Belt Installation63
- Drive Face Removal64
- Drive Face Inspection65
- Drive Face Reassembly/Installation65
- Driven Pulley Installation66
- Clutch Outer/Driven Pulley Disassembly67
- Clutch Outer/Driven Pulley Inspection67
- Clutch Lining Check68
- Driven Pulley Spring Check68
- Driven Pulley Check68
- Driven Pulley Bearing Inspection68
- Clutch Weight Replacement69
- Replacement of Driven Pulley Bearing70
- Installation of Clutch Outer/Driven Pulley Assembly71
- Final Driving Mechanism Diagram72
Transmission72
- Final Driving Mechanism Specifications73
- Final Driving Mechanism Troubleshooting73
- Engine Can be Started but Motorcycle Can Not be Moved73
- Disassembly of Transmission74
- Inspection of Mission Mechanism77
- Bearing Replacement79
- Gear Box Side80
- Re-Assembly of Final Driving Mechanism82
- Alternator/Starting Clutch Diagram84
ACG & Start One Way Clutch84
- Alternator/Starting Specifications85
- A.C.G. Set Removal86
  - Right Cover Bearing Inspection86
  - Right Crankcase Cover Removal86
- Flywheel Removal87
  - Starting Clutch Inspection88
  - One Way Clutch Removal89
- Flywheel Installation90
  - One Way Clutch Installation90
  - A.C.G. Set Installation91
- Right Crankcase Cover Installation91
- Crankcase & Crank Diagram93
- Crankcase & Crank Specifications94
- Crankcase & Crank Troubleshooting94
- Engine Noise94
General Information94
- Disassembly of Crankcase95
- Check Crankshaft Bearing97
- Crankshaft Inspection97
- Assembly of Crankcase98
- Clean the Crankshaft100
- Cooling System Diagram101
- Cooling System Specifications102
- Cooling System Troubleshooting102
- The Temperature Indicated Is too High103
- Trouble Diagnosis for Cooling System103
- Change of Coolant105
- Cooling System Testing105
- Test on the Filler Cap105
- Check Reserve Tank106
- Radiator Check106
- Radiator Removal106
- Radiator Disassembly and Assembly107
- Check Water Pump Seal / Cooling108
- Removal of Water Pump108
- Replacement of Mechanical Seal109
- Thermostat Removal and Inspection112
- Thermostat Technical Data112
- Steering & Suspension Parts Drawing113
- Handlebar Removal115
- Steering & Suspension Troubleshooting115
- Handlebar Installation117
- Removal of Kingpin and Tie-Rod118
- Throttle Housing Disassembly118
- Installation of Steering Shaft119
- Steering Shaft Holder Inspection119
- Steering Shaft Removal119
- Tie-Rod Inspection119
- Front Wheel & Brake System Parts Drawing121
- Front Wheel & Brake System Troubleshooting122
- Front Wheels Installation122
- Front Wheels Removal122
- Hydraulic Brake Removal123
- Adding Brake Oil125
- Suspension System126
- Rear Wheel & Brake System Parts Drawing127
- Rear Wheel & Brake System Troubleshooting129
- Remove Rear Wheel and Rear Brake129
- To Replace Brake Disk129
- To Replace the Brake Shoe130
- To Replace the Brake Hydraulic Oil131
- Swingarm and Rear Axle Holder Diagram133
- Suspension Adjustment135
- Fenders & Exhaust Pipe Drawing136
- Rear Fenders Removal137
- Front Fender Removal139
- Exhaust Pipe Removal140
- Exhaust Pipe Installation141
- Charging System Failure142
- No Spark at Plug142
- Engine Starts but Runs Poorly142
- Electrical System Troubleshooting142
- Ignition Coil143
- Ignition Timing143
- Battery Voltage Inspection143
- Battery Removal/Installation143
- Electric Starter Troubleshooting144
- Light Bulbs Replacement144
- Battery Charging144
- Headlight Bulbs Replacement144
- Front Direction Lights Remove145
- Front Position Light Removes146
- Taillight Bulbs Replacement146
- Rear Brake Lights Remove147
- Rear Direction Lights Remove147
- Instrument Panel Removal148
- Wiring Diagram150
- Engine Can Not Work151
Troubleshooting151
- Poor Performance at Low and Idle Speed152
- Poor Performance at High Speed152
- Loss of Power153
- Poor Handling154

Eton VECTOR ST 250 - Flywheel Removal

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