| Introduction: | | | | and outlet. These are suitable for below waterline |
| Mercruiser is an advanced marine propulsion | | | | installation and can easily be replaced. |
| system and is available in recreational and | | | | Fresh water System: |
| commercial vehicles ranging from 1.5-liter | | | | These are the complete pump and pipe system |
| displacement to 14.0-liter displacements. These are | | | | for circulating fresh water used for cooling 2 |
| generally two stroke diesel engine vehicles and | | | | stroke outboard engines. These systems are |
| are termed as inboards or stern drives depending | | | | available with complete instructions and can easily |
| on the vehicle design. | | | | be replaced. |
| Mercruiser parts: | | | | Oil Coolers: |
| This water vehicle contains the following major | | | | These are the cylindrical coolers used for cooling |
| parts. | | | | oil and these are available in varying sizes from 5" |
| Mercruiser Engine: | | | | * 1" to 12" * 1.25" and sometimes two cylinders |
| These are the heart of any vehicle and are | | | | attached together are provided as dual coolers. |
| available in 4, 6 or 8 cylinders capacities, especially | | | | Motor and Gear Lube: |
| for stern drives. The engine rating and | | | | Service manual provides the complete instruction |
| displacement or fuel system are also important | | | | to change engine and gear oil at particular interval |
| for a specific purpose motorboat. These are the | | | | and the oil should be changed as per the direction |
| important Mercruiser parts and every engine | | | | given in manual. |
| contains a tag specifying details of the engine. | | | | Some other important mercruiser parts include |
| Carburetor: | | | | electrical system; power steering, couplers and |
| Carburetor is attached to the fuel delivery | | | | stern drive parts. |
| system and filters and regulates the supply of fuel | | | | Identifying the mercruiser parts: |
| to the engine. The carburetor can be identified by | | | | A tag is attached to identify engine model, serial |
| its design (filtering and regulating fuel) or matching | | | | number of engine, transcom assembly serial |
| its design from the catalogue or manual provided | | | | number and drive serial number. Similarly for |
| with the boat. | | | | inboard transmission, model and serial numbers |
| Exhaust Manual: | | | | are provided on a tag on the top or side of |
| These Mercruiser parts are used for removing | | | | transmission. You should verify the tag details to |
| combustion gases from engine through exhaust | | | | the manual provided to you by the manufacturer |
| manifold. These are attached to the exhaust | | | | and both the details should match. |
| system. | | | | Once you have located the correct model number |
| Water and Fuel Pumps: | | | | with specified transmission details, you should see |
| Raw water pumps or circulating water pumps are | | | | the parts details as figure of each part has been |
| used for cooling outboard engines by continuously | | | | provided. You should identify the figure from |
| circulating water. These pumps are supplied with | | | | catalogue or manual provided to you or you |
| full instructions and can be replaced easily. Fuel | | | | should visit the web site of the manufacturer. |
| pumps are small nozzles through which fuel, which | | | | Once the parts corresponding to the figure has |
| is generally diesel, is injected to the engine. | | | | been identified, you should note down the serial |
| Marine Mufflers: | | | | number supplied in the catalogue or web site. |
| These are the silencers made from fiberglass and | | | | Once you are able to locate the exact part |
| are designed for backpressure compensation and | | | | number and corresponding serial number, it is |
| resistant from corrosion. These are in cylindrical | | | | easy for you to purchase these parts directly |
| shape from varying diameter of 1.5" to 12" inlet | | | | from manufacturer or resellers. |