Install driven sprockets and timing belt. To help identify parts and clarify procedure steps, there are exploded diagrams at the start of each removal and disassembly section. Comprehensive explanations of all installation, removal,disassembly,assembly,repair and check procedures are laid out with the individual steps in sequential order. Loosen timing belt tensioner bolt and remove tensioner spring. Also, the diaphragm functions as a coasting enrichener during quick deceleration, preventing the engine form stalling. User tags: mercury mariner 25 hp 2-stroke service manual,mercury mariner 25 hp 2-stroke repair manual,mercury mariner 25 hp 2-stroke manual pdf,mercury mariner 25 hp 2-stroke workshop manual. 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 information on this manual covered everything you need to know when you want to repair or service Mercury Mariner 2. The air flows through the in-line, one-way valve, and then to all of the carburetors. Remove driven sprockets and timing belt. Each section has sub-sections wich titles appear in smaller print than the section title. Remove camshaft caps and camshafts. 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. Measure and record in the Measurement Table the thickness of the removed valve pad with a micrometer.
Each downloadable repair manual covers every aspect of maintenance and repair. Even the most novice mechanic can also easily follow the step-by-step guides which are made simple by the illustrations and drawings. V-6 Cylinder, Two Cycle, Direct Injected. The repair manual contains hundreds of original photographs and illustrations obtained from the complete disassembly and assembly of the engine. Covers Bigfoot Big Foot and Non-Bigfoot models. Not a scanned Workshop repair manual.
Connect fuel hoses and spark plug leads. If no adjustment is necessary skip to step 11 on. Remove timing belt and driven sprockets. Insert the proper valve pad into the valve lifter. This, in addition to extensive research, is how Clymer repair manuals achieve an unmatched level of detail.
V-6 Cylinder, Two Cycle, Direct Injected. Download a Mercury-Mariner outboard repair manual straight to your computer in just seconds and get your boat back on the water now! From simple oil changes to complete engine overhaul. 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. This manual is devided into chapters. The upper electrothermal valve controls fuel flow for carburetors 1 and 2, and the lower valve controls fuel flow for carburetors 3 and 4. Remove timing belt and driven sprockets. Install tensioner spring and tighten timing belt tensioner.
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. Download Complete Service Repair Manual for Mercury Mariner 2. 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. Keep this manual handy and use it often. Measure and record the exhaust valve clearance for cylinders 2 and 4. This manual is devided into chapters.
Models Covered are Mercury - Mariner 9. This additional air flows into the carburetors and mixes with the fuel from the main jets. Just buy this manual now and you will get you job done immediately because in just a minute you'll have your manual downloaded. Tighten timing belt tensioner and install tensioner spring. Keep individual cylinder parts together. Measure and record the exhaust valve clearance for cylinders 1 and 3.
Turn the flywheel 360° clockwise. If adjustment of intake or exhaust valve clearance is necessary out of specification follow Changing Pad Thickness below. Two electrothermal valves are installed on the carburetor assembly. Disconnect spark plug leads and fuel hoses. As the throttle is opened, the throttle lever rotates and pushes the throttle lever link rod. Adjust tab if out of specification.
Remove flywheel cover and spark plug cover. We don't want to fool you so we say that all the above manuals are one and the same. We don't want to fool you so we say that all the above manuals are one and the same. Digital Workshop Repair Manual contains everything you need to repair, maintain, rebuild, or restore your vehicle. Carefully pry up the valve pad and remove it.