If contaminated oil is noticed, have the engine checked by your dealer. Place outboard in a vertical operating position. This additional air flows into the carburetors and mixes with the fuel from the main jets. Measure and record the exhaust valve clearance for cylinders 1 and 3. Loosen timing belt tensioner screw and remove tensioner spring. These points should be lubricated at least once a year by an authorized dealer. Install the vent plug and sealing washer before removing the lubricant tube.
Place a block of wood between gearcase and propeller to prevent rotation and tighten propeller nut. Measure and record the exhaust valve clearance for cylinders 2 and 4. If adjustment of intake or exhaust valve clearance is necessary out of specification follow Changing Pad Thickness below. Lift rear of cowl and disengage front hook. Tighten timing belt tensioner and install tensioner spring.
You can pay for your Mercury Marine Outboard service manual with Paypal or Visa, MasterCard or Discover. With the outboard in forward gear, adjust idle speed screw to obtain the specified idle speed. V-6 Cylinder, Two Cycle, Direct Injected. With carburetor turned upside down, and carb scale seated on inner edge, check float level from top of float to float bowl flange as shown. The upper electrothermal valve controls fuel flow for carburetors 1 and 2, and the lower valve controls fuel flow for carburetors 3 and 4. Measure and record in the Measurement Table the thickness of the removed valve pad with a micrometer.
As the wax heats up the electrothermal ram needle begins to extend, partially closing the fuel enrichment valve, and reducing the flow of fuel from the float chamber into the venturi. If you need a hard copy, push the print button!! After downloading your Mercury Marine Outboard service manual you can view it on your computer or print one or all of the pages needed. The air flows through the in-line, one-way valve, and then to all of the carburetors. Insert the proper valve pad into the valve lifter. Re-check valve clearance using Valve Clearance Measurement Steps. Install tensioner spring and tighten timing belt tensioner bolt. We will also send you an email with a copy of your Mercury Marine Outboard service manual download link.
The anode requires periodic inspection especially in salt water which will accelerate the erosion. Once again - Thank you for shopping at servicemanualvault. Re-install driven sprockets and timing belt. Our Mercury manuals will guide you step by step from the easiest to the most difficult tasks on your marine engine. Maintenance and troubleshooting are covered in each manual as well as wiring diagrams.
Mercury Outboard Service Manuals Please visit our to see a complete list of all the useful service manuals we offer. Order a Mercury outboard service manual online from The Motor Bookstore for fast shipping and exceptional customer service. An anode helps protect the outboard against galvanic corrosion by sacrificing its metal to be slowly corroded instead of the outboard metals. In addition, Clymer ProSeries Marine Manuals feature condensed service data and specifications covering multiple manufacturers and models. Carefully pry up the valve pad and remove it.
Install driven sprockets and timing belt. Measure intake and exhaust valve clearance using the Valve Clearance Measurement Steps below. After start-up, the current supplied form the electric power source and then flows to the electrothermal valves causing the wax in the valves to heat up. We carry digital manuals for many products not visible on the web site, if you need something you cannot find, please ask, we will check our files and post it for you. Before start-up, the electrothermal ram needle is retracted the fuel enrichment valve is opened according to the temperature, allowing a high percentage of fuel to flow form the flat chamber into the venturi during start-up. Mercury Marine Outboard service manuals - the easy way! The in-line, one-way valve prevents the air in the hoses from flowing back to the dashpot.
Remove cylinder head cover and spark plugs. Description Where Used Part No. Each book contains hundreds of photos with instructions on exactly how to maintain your motor. Our selection of Mercury Manuals covers outboards from 1965 to 2009. Align timing marks on driven cams.
Description Where Used Part No. As the throttle is opened, the throttle lever rotates and pushes the throttle lever link rod. Models Covered are Mercury - Mariner 9. Install cylinder head cover and driven sprockets. Covers Bigfoot Big Foot and Non-Bigfoot models.