Table of Contents
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INSTALLATION & OPERATION MANUAL
ABOUT THIS MANUAL ..................................................................................
SAFETY PRECAUTIONS..............................................................................
APPROXIMATE CONVERSIONS FROM STANDARD............................................
ENGINE OVERVIEW .................................................................
1. ENGINE COMPONENTS .........................................................
2. ENGINE HANGER....................................................................
3. ENGINE IDENTIFICATION ......................................................
5. TECHNICAL DATA .................................................................
6. PERFORMANCE CURVE ........................................................
7. BELT LAYOUT & ENGINE DIMENSIONS..................................
CHAPTER 2
ENGINE MOUNT SYSTEM ........................................................
1. PREPARING THE ENGINE INSTALLATION................................
2. BELLHOUSING FIXING..........................................................
3. ASSEMBLING ENGINE MOUNTS.............................................
CHAPTER 3 COOLING & EXHAUST SYSTEM .................................................
1. SCHEMATIC DIAGRAM OF ENGINE COOLING CIRCUIT .............
2. SEAWATER FLOW.................................................................
3. ENGINE COOLANT FLOW......................................................
4. EXHAUST SYSTEM ...............................................................
CHAPTER 4 FUEL SYSTEM .........................................................................
1. FUEL FLOW.......... ...............................................................
2. LOW PRESSURE FUEL LINE .....................................................
3. ACCELERATION SENSOR AND CONTROL LEVER .....................
4. RECOMMENDED FUEL QUALITY ...............................................
5. DRAINING WATER FROM FUEL FILTER ....................................
CHAPTER 5 AIR INTAKE SYSTEM ..................................................................
1. ENGINE AIR CONSUMPTION..................................................
2. ENGINE ROOM VENTILATION...................................................
3. AIR FILTER MAINTENANCE......................................................
CHAPTER 6 LUBRICATION SYSTEM .............................................................
1. ENGINE OIL LEVEL CHECKS .................................................
2. RECOMMENDED OIL QUALITY ................................................
3. ENGINE OIL EXTACTION PUMP ..............................................
4. OIL FILTER REPLACEMENT ....................................................
U125 Series Engines
TABLE OF CONTENTS
1.1 CHECK THE MOUNT HOLE........................................
2.1 WATER PICKUP .........................................................
2.2 SEAWATER STRAINER ..............................................
2.3 SEAWATER PUMP .....................................................
2.4 CHECKING SEA WATER PUMP & IMPELLER ...............
2.5 SEA WATER DRAIN ....................................................
3.1 ENGINE COOLANT....................................................
3.2 REMOVING AIR BUBBLE ............................................
3.3 CABIN HEATER CONNECTION....................................
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