TIAGO/TIGOR ICNG TWIN CYLINDER - SERVICE MANUAL

1.2L REVOTRON TWIN CYLINDER CNG ENGINE CONTENTS 1. GENERAL INFORMATION ..................................................................................................................... 1 A ENGINE INTRODUCTION.................................................................................................................... 1 B ELECTRONIC CONTROL .................................................................................................................... 2 C TECHNICAL SPECIFICATION ............................................................................................................. 3 D SPECIAL TOOLS.................................................................................................................................. 4 E ASSEMBLY CLEARANCES ................................................................................................................. 9 F SEALANTS ........................................................................................................................................... 9 G LEAKAGE RATES ................................................................................................................................ 9 2. TROUBLESHOOTING............................................................................................................. 10 3. CONSTRUCTIONAL AND SERVICE DETAILS ................................................................................ 19 A ENGINE LIFTING ............................................................................................................................... 19 B INTAKE MANIFOLD ........................................................................................................................... 20 C CYLINDER HEAD COVER ................................................................................................................. 21 D CYLINDER HEAD-A ........................................................................................................................... 23 E CYLINDER HEAD-B ........................................................................................................................... 25 F CYLINDER BLOCK............................................................................................................................. 26 G OIL SUMP ........................................................................................................................................... 28 H MOVING PARTS ................................................................................................................................ 29 I ENGINE TIMING................................................................................................................................. 31 J EXHAUST MANIFOLD ....................................................................................................................... 33 K FUEL INJECTION EQUIPMENT ........................................................................................................ 34 L LUBRICATION PUMP AND COMPONENTS..................................................................................... 35 M AIR INTAKE SYSTEM ........................................................................................................................ 37 N SPECIAL INSTALLATION .................................................................................................................. 38 O ENGINE SUSPENSION...................................................................................................................... 41 P CNG SYSTEM .................................................................................................................................... 43

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