Generic Race 50 - Examination on Cylinder Head; Cylinder Head Installation

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159

12.4 Examination on cylinder head

Inspect the cylinder head whether it is broken.

Inspect the planeness of the cylinder head bottom plane.

Allowable limit ：0.04mm。

12.5 Cylinder head installation

Implement mounting in a reverse order with dismounting.

Ruler

Measuring

gauge

Cylinder head

Main Page

Service Manual1
Table of Contents3
Contents3
Preface6
- Documents to be Prepared7
  - Important Notices13
  - Troubleshooting24
- Inspection/Adjustment44
Inspection and Service of Electrical System65
Battery/Charging System69
- Preparation Data69
- Fault Diagnosis69
- Battery72
- Charging System73
- Voltage and Current Regulator74
- Charge Coil of the Alternator75
- Disassembly of Alternator75
- Preparation Data80
II. Ignition System80
- Fault Diagnosis82
- Ignition System Inspection84
- CDI Group85
- Ignition Coil87
- Trigger87
- Preparation Data92
III. Startup System92
- Fault Diagnosis94
- Start Electric Machinery94
- Start Relay97
- Preparation Data100
- Fault Diagnosis100
- IV. Bulbs/ Switch/Instrument100
- Replace the Head Light Bulb100
- Replace Bulb of the Front Turning Light101
- Disassembly/Replace the Bulb of the Taillight and Rear-Right Turning Light101
- Instrument102
- Main Switch102
- Horn103
- Handle Switch103
Inspection and Service of Chassis105
Brake108
- Maintenance Instruction108
- Fault Diagnosis109
- Front Hydraulic Brake109
- Rear Drum Brake111
Body Cover115
Front Wheel/ Front Suspension 90 7.1 Preparation Data116
- Front Suspension118
- Fault Diagnosis120
- Front Wheel120
- VII. Front Wheel/ Front Suspension120
- Steering Bar124
- Front Fork125
- Fault Diagnosis129
- Preparation Data129
VIII. Rear Wheel/Rear Suspension129
- Real Wheel130
- Rear Shock Absorber131
  - Rear Shock Absorber132
  - Fuel Tank135
Fuel Tank/Seat Mat137
- Lubrication System143
- Fault Diagnosis144
- Preparation Data144
X. Lubrication System144
- Fault Diagnosis145
- Oil Pump145
- Preparation Data150
XI. Carburetor150
- Fault Diagnosis151
- Disassembly of Carburetor151
- Installation & Adjustment156
- Preparation Data158
- Fault Diagnosis158
XII. Cylinder Cover158
- Cylinder Head158
- Examination on Cylinder Head160
- Cylinder Head Installation160
- Preparation Data163
XIII. Air Cylinder/Piston163
- Fault Diagnosis164
- Cylinder Body164
- Piston166
- Installation of Piston170
  - Installation of Piston171
  - XIV. Drive Disk/Clutch/Driven Wheel / Foot Start Mechanism175
Drive Disk/Clutch/Driven Wheel / Foot Start Mechanism 174 14.1 Preparation Data176
- Left Crankcase Cover176
- Clutch/Driven Wheel179
- Disassemble the Clutch and the Driven Wheel181
- Installation187
- Foot Start Mechanism187
- Preparation Data190
- Fault Diagnosis190
XV. Decelerator190
- Gear Case190
- Installation192
- Crankcase193
- Installation200
Exhaust Emission System Inspection and Maintenance201
Exhaust Emission and Control System202
- Warranty of Exhaust Emission and Control System202
- Regular Maintenance Guideline203
- Mechanical Function of the Exhaust Control System204
- Catalyst Converter System206

Generic Race 50 - Examination on Cylinder Head; Cylinder Head Installation

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