Re-check valve clearance using Valve Clearance Measurement Steps. Install spark plug cover and flywheel cover. Loosen timing belt tensioner bolt and remove tensioner spring. Tighten timing belt tensioner and install tensioner spring. Mastertech may make improvements to this site at any time. What's more convenient than using our simple Mercury Direct Online Diagrams to shop from the convenience of your home.
Mercury has become a world leader because of its ability to foresee and fulfill the needs of its customers. Little to Carl's knowledge and his true desire to get into the Magnetic Separator business, these outboard motors would be the predecessor to the now world famous Mercury Outboard Motors. Measure and record the intake valve clearance for cylinders 3 and 4. As part of the purchase Kiekhaefer inherited 384 Thor Outboard Motors after they were rejected from a 500 unit order by Montgomery Ward because they simply didn't work. Simply enter the original model or serial number assigned to your outboard motor by Mercury Marine. Mercury Marine turned 77 years old in 2016 and is still going strong, continuing it's successful product expansion by increasing horsepower and improving the ride in bigger and better ways.
Measure and record the exhaust valve clearance for cylinders 1 and 3. 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. Measure intake and exhaust valve clearance using the Valve Clearance Measurement Steps below. Connect fuel hoses and spark plug leads. Install tensioner spring and tighten timing belt tensioner bolt. Remove timing belt and driven sprockets. We don't make parts for those.
As the throttle is opened, the throttle lever rotates and pushes the throttle lever link rod. Looking back at this exciting history, as with many outboard companies it's roots can be traced back to its very unique founder; Carl Kiekhaefer. V-6 Cylinder, Two Cycle, Direct Injected. Measure and record in the Measurement Table the thickness of the removed valve pad with a micrometer. Keep individual cylinder parts together.
Parts ordered from this website may or may not be in dealer stock at the time of order. Remove flywheel cover and spark plug cover. And thus Mercury Outboards were born by Kiekhaefer and his 25 employees working 18 hours per day, 7 days a week. How would you like to compare notes, if it were possible, on respective accomplishments on our day of reckoning---as well as our wrongs? The information, software, products, and services published on this web site may include inaccuracies or typographical errors. As the throttle is closed, the throttle lever rotates back and the throttle lever link rod returns, causing the diaphragm in the dashpot to move back, As the diaphragm moves back, suction causes the air from the venturi of carburetor 4 to flow through a one-way valve in the carburetors and back to the dashpot.
We only do warranty work. Carefully pry up the valve pad and remove it. Part is no longer available. This was no small feat realizing Evinrude was only producing slightly more than this volume at the time. Kiekhaefer had 3 unique qualities that made him less than the ideal employee 1 He had a keen eye to see inherent flaws in mechanical designs, 2 He often fixated and worked tirelessly trying to fix those flaws, 3 He couldn't stand to work alongside anyone that didn't possess those first two qualities. Mercury Marine History of the Company Mercury Marine turned 75 years old in 2014. Insert the proper valve pad into the valve lifter.
Remove timing belt and driven sprockets. Parts at central warehouse, you'll get them next month. You can get a rough idea of standard transit times from the map above. Align timing marks on driven cams. Disconnect spark plug leads and fuel hoses. The air flows through the in-line, one-way valve, and then to all of the carburetors. Mercury Outboard Parts and Mercury Marine Motors are among the most popular outboard motors for sale today.
Here you will find diagrams for Mercruiser parts and Mercury outboard parts including Mariner, Chrysler and Force outboards. Go2marine carries a complete selection of marine engine parts for Mercury - Mariner Outboard Engines and related cooling, electrical, exhaust, fuel, internal and drive systems. By closing this message, I acknowledge and accept the Terms of Use, the Privacy Policy and the Cookie Policy, and agree that my information may be transferred to the U. See the difference that we provide to every customer. This additional air flows into the carburetors and mixes with the fuel from the main jets. .
After a few minutes, the electrothermal ram needle is fully extended, the fuel enrichment valve is fully closed, and enrichment ceases. In fact, the endurance and innovation of the company is an embodiment of the Great American Dream. Measure and record the exhaust valve clearance for cylinders 2 and 4. Models Covered are Mercury - Mariner 9. The company was the failing manufacturer of the Thor Outboard Motor. Contact our experienced Mercury - Mariner Marine Engine mechanics to help you choose the correct part for your Mercury - Mariner Marine Outboard. Remove camshaft caps and camshafts.
The upper electrothermal valve controls fuel flow for carburetors 1 and 2, and the lower valve controls fuel flow for carburetors 3 and 4. A Fun Old Porcelain Sign and Ancient Tools Meet the MasterTech! If no adjustment is necessary skip to step 11 on. For further information on how we use cookies and how to change your browser settings, please read our Cookie Policy. This website uses cookies to enhance and improve your browsing experience. Changes are periodically added to the information herein. Loosen timing belt tensioner screw and remove tensioner spring.