Guide it straight out of the exhaust housing along with the shift rod and driveshaft. I'm wanting to change my water pump impeller and I'm having trouble removing the lower unit. or Best Offer. Use a hammer and punch to remove the carrier nut. Buy a new Mercury lower unit/gearcase for 150 hp, 175 hp, and 200 hp motors. Copyright 2021 Leaf Group Ltd. / Leaf Group Media, All Rights Reserved. "Mercury Marine Outboard Repair Manual 65-300 HP 1992-2001"; Seloc Marine; 2007. ... 5 HP 6 HP 7 HP 8 HP 9.9 HP 10 HP 15 HP 18 HP 20 HP 25 HP 30 HP 35 HP ... 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. Set the lower unit upright in a bench vise. $575.00. Mercury 2 Stroke 3.9, 4, 4.5, 6, 7.5 and 9.8 hp Pull down on the lower unit to separate it from the housing. Locate the pry tabs where the housing meets the lower unit and use a small pry bar to loosen the fit between the housing and the lower unit. Apply a thin film of waterproof marine grease to the inner diameter of the water tube seal, to the shift shaft coupler and to the driveshaft splines. Remove bolt and trim tab 1. $48.55 $ 48. Use a slide hammer to remove the carrier. Mercury 15-HP Engines Parts Catalog Search Diagrams by Model. Place the lower unit in a bench vice. If you need to repair parts on your lower outboard, you have a wide selection of lower unit … FREE Shipping by Amazon. Mercruiser / Mariner / Mercury water pump removal and repair video with Illustrations and procedural steps to repair the lower gearcase. The first time you operate the motor after reinstalling the lower unit, check the lower unit carefully for leaks; Loosen the drain screw with a screwdriver and the vent screw and drain a teaspoon of lubricant. support@marinetech.com . 4.9 out of 5 stars 120. Free shipping. 00. MERCURY OUTBOARD 2004 30 HP 30-50HP 4 Stroke LOWER UNIT/GEARCASE. Remove the lower unit locknut and washer from the anticavitation plate, using a 12mm open-end wrench. Mercury 2 Stroke 25 HP Long Lower Unit 20" PN 8669T28 Fits 1996-2006 Models. Complete Lower Unit Mercury: Mercury Parts By HP or MODEL: Lower Unit/Gear Case Mercury: Powerhead & Engine Mercury: Shop/Repair Manual Mercury: ... 1665-8669T26 Mercury Outboard 15/25 HP 15" Short Shaft Lower Unit Gear Case. Mercury. He is also a certified marine technician and the author of a popular text on writing local history. Replace a Water Pump on a Tohatsu 3.5 Outboard, Remove a Lower Unit Johnson Outboard Motor, Install a New Steering Rack in a Ford Focus. I have a 1980, Mercury, 25 HP, 2-stroke, tiller steer, OB motor. Only 13 left in stock - order soon. I removed the four bolts holding it on but I can only pull it out for about 1 or 2 inches. You noted 5- there are 6. Remove the lower unit locknut and washer from the anticavitation plate, using a 12mm open-end wrench. Two just back that attach on top. Ball bearing head for zero friction and maximum pulling power. Dab a finger into the lubricant and rub the lubricant between your finger and a thumb, feeling for metal particles. The lower unit on Mercury outboards must be removed to change the water pump's impeller. Slide the lower unit straight down and off the outboard. $69.84 shipping. Free shipping on many items ... L4 Mercury Lower Unit 35-70 HP 1643-6458 40 50 HP . Get it as soon as Thu, Apr 1. Drain the Oil: Now remove the top drain plug; this will release the vacuum that exists and allow the oil to drain freely from the Mercury lower unit. Two more under the plate. Replacing the lower unit is part of replacing your water pump's impeller, exchanging a drive shaft of one length for another length or replacing the oil seals on drive or propeller shafts. I think the shift rod is holding it on. Outboard Lower Unit Oil Drain Gasket (24Pcs) Replaces# 90430-08020-00 90430-08021-00 90430-08003 Fits for Yamaha Most 4-STROKE Models Crush Washer Seals 3.0 out of 5 stars 1 $8.98 $ 8 . Remove the bolts, two on each side of the lower unit, and washers between the lower unit and the exhaust housing, with a 14mm open-end wrench. GB592502949 $699.99 View Details. If you’re a newcomer to servicing outboards, one of the first things you should learn how to do is remove the lower unit. Check the lubricant for a whitish appearance. Shift to “NEUTRAL” position. Slide the lower unit and impeller up and off of the driveshaft. Tighten them evenly to 40 foot-pounds with a torque wrench. This is clarification on how to remove the lower unit of my 50 HP Mercury Outboard. Follow the steps below and watch the video above to remove the lower unit from a Mercury 40HP four-stroke outboard engine. Remove anode for the 5th and one more underneath where the anode came off. $55.00. Replacing the propeller, a normal part of preparing your Mercury outboard for winter storage or the spring season's fitting out, is a straightforward mechanical process. 1647-6693A4 Fits Mercury Mariner Outboard Gear Case Lower Unit. 5. Remove the four bolts holding the water pump together from the water pump housing with a socket wrench. Mercury 40HP Outboard Lower Unit Removal. Insert two small pry bars under the lip of the bearing carrier, and gently pry the housing and propeller shaft out of the lower unit as an assembly. Take out the bolts that connect the lower unit to the exhaust housing with a socket wrench. Mercury Tracker 25EL Lower Unit Removal. Slide the drive shaft upward until it engages the engine splines. 55. Set the punch against the end of one of the slots in the carrier nut and tap the nut with the hammer until it comes loose. Pull the driveshaft upward, removing the bearing housing, driveshaft and retaining ring. The inspections aside, how to remove and replace the lower unit on your Mercury outboard motor is a process as simple and straightforward as taking off a boot and putting it back on. This process can easily take between 5-10 minutes. (843)253-4123 . 1. ... $15.00 shipping. Slide the impeller from the lower unit and slide them up and off the driveshaft. Will Charpentier is a writer who specializes in boating and maritime subjects. 98 You have to slide the lower unit from the motor to remove the driveshaft since the lower unit -- where the propeller, gear case and driveshaft are found -- is where the driveshaft is secured. Get it as soon as Thu, Apr 1. The carrier nut is a large ring with slots cut into it and held in place by a tab. This isolates the electrical supply from the boat's common ground, allowing you to work on the boat's electrical or mechanical systems without fear of the motor starting or another system being energised. $62.29 shipping. Whenever you need to service your outboard’s water pump or replace the input/output shaft seals, you’ll have to remove the lower unit first. Remove the bolts, two on each side of the lower unit, and washers between the lower unit and the exhaust housing, with a 14mm open-end wrench. Will Charpentier is a writer who specializes in boating and maritime subjects. I have removed the 2 nuts on each side of the lower unit and the one nut on the rear. I can split the lower unit on the back about 1/4 inch, but the front is still snug tight. Remove the old gasket material from the fill and vent recesses and from the vent and fill screws with the corner of a putty knife blade. Get the best deals on Mercury Complete Outboard Lower Units when you shop the largest online selection at eBay.com. A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering. Always disconnect the battery cable, before removing lower unit. Align the gear shaft, shift shaft and water tube with their counterparts in the exhaust tunnel and lift the lower unit straight up. $30.00 shipping. This powerful screw drive Lower Bearing Carrier Puller will remove the toughest Lower bearing carrier from lower units. Uses … 2. MERCURY 75 HP 90 HP OUTBOARD SERVICE MANUAL Download Now; 1965-1991 Mercury Mariner 2.2 to 40 Hp Outboard 2 Stroke Download Now; 1965-1989 Mercury Mariner Download 45 to 115 Hp Outboard Ser Download Now; 1990-2000 Mercury Mariner Outboard Motor Service Manual Repa Download Now; mercury 2009 fourstroke owners manual Download Now Remove the bearing carrier retaining bolts. 3. Upgraded design! The lower unit of your outboard takes a lot of wear and tear over time, and components may need to be replaced to keep it in top performing condition. Re: 2004 Mercury 115 ELPT Lower Unit Removal One nut at front of L/U near the shift rod. Move the shifter into "Forward" gear. Loosen the jaws of the vise and move the lower unit to the outboard. Mercury 135 HP 20" L Lower Unit 1647-9148T81 Standard Rotation 2:1. Pull the impeller plate off the lower unit and slip it off the driveshaft. Marine Tech Tools Mercury Lifting Ring. Your outboard motor has three distinct parts: a power head, which is the gasoline engine that powers the outboard motor; the exhaust housing that protrudes downward from the power head, wrapping around the exhaust system and the driveshaft; and the lower unit. or Best Offer. For the gear cases that you have to pull the carrier on. A retired ship captain, Charpentier holds a doctorate in applied ocean science and engineering. This video will show you have to remove the lower unit and change the water pump impeller on a Mercury outboard motor. Apply thread locker to the threads of the four 14mm bolts that hold the lower unit to the exhaust tunnel, but do not get thread locker on the locknut that will be installed under the anticavitation plate. If you work on your outboard motor when your boat is on its trailer, or your motor is on a storage stand, remove the propeller nut with a 1 1/16-inch wrench and slide the thrust hub, propeller and washers from the propeller shaft. or Best Offer. Mercury Outboard Parts Catalogs by Year, Serial or Model number. Slide the drive shaft and shift rod into the outboard without touching the sides of the exhaust housing. Pull the impeller plate off the lower unit and slip it off the driveshaft. He is also a certified marine technician and the author of a popular text on writing local history. Fits Mercury / Mariner (per manufacturer): 15XD/ BigFoot, 18/18XD, 20/20XD, 25/25XD, 25 Sea Pro / Marathon & Super 15, 25 (3-cylinder) Please check with your local Mercury brand dealer for engine / boat / brand / model / year cross-referencing compatibility Some of them require you to pull the bearing carrier in order to change out the prop shaft seals. $47.00 $ 47. Clean OEM Mercury 1994 & Up 200/225/250 3.0L 25" Left-Hand Outboard Lower Unit. Remove clutch rod from clutch shaft (if necessary). Failure to remove a propeller before operating an outboard out of the water during maintenance or long-term storage is an invitation to a propeller-strike injury, which can maim or kill. Then the other half you can change them without pulling the carrier. Remove seven (7) bolts 2 and separate gearcase 3 from driveshaft housing. Pull the shift rod retainer from the top of the lower unit and pull the shift rod out of the lower unit. Slide the impeller from the lower unit and slide them up and off the driveshaft. Remove the four bolts holding the water pump together from the water pump housing with a socket wrench. Trying to remove my lower unit on a 2000 Mercury ELPTO 125 (SN# XXXXX 132277). Once every 100 hours or once every year, Mercury says you must remove your lower unit to inspect the condition of the lower unit and water pump, and change the oil. "Mercury/Mariner Outboards, 1990-2000 (Seloc Marine Manuals)"; Seloc; 2000, "Johnson/Evinrude Outboards, 1990-2001 (Seloc Marine Manuals)"; Seloc; 2005. $685.00. 2652 Bonds Ave, Suite 203, North Charleston, SC . Set the lower unit upright in a bench vise. How to Change the Transmission Fluid in a Kia Sportage→, How do I Change the Thermostat on 2.7 Liter Toyota Tacoma?→, How to Change the AC Compressor in a Honda Civic→. Don't allow the grease or oil to get on the ends of the shafts or they may not fully seat themselves in the shift coupler and crankshaft. Place a drain pan under oil drain plug. LOWER UNIT REMOVAL & DISASSEMBLY. $499.00. $650.00. Outboard Lower Unit Components. Mercury Marine gear cases have a mixed ratio of lower units. Bend the tab back. MERCURY OUTBOARD 30 HP 30-50HP 4 Stroke LOWER UNIT/GEARCASE 15” ... 1998-2005 Mercury marine 40hp lower unit / 2 stroke two cylinder lower unit . Driveshaft Seized in Powerhead & Lower Unit Will Not Drop: If after you remove the above shifting rod coupler bolt AND YOU CAN NOT get the driveshaft to come loose from the crankshaft splines up inside the housing and slide down and off, your only way to separate the exhaust housing from the lower unit is to drive some kind of non-marring wedges in between the two, forcing them apart. Thread the locknut into place and tighten it to 22 foot-pounds. Working Days/Hours: Mon - Fri / 8:00AM - 3:00PM EST 4. 2. $1,199.99. Allow all of the oil to drain completely from the lower unit. When you're working on your motor, remove the nut from the negative battery post, marked with the letters "NEG" or a minus sign, and lift the cable from the battery. Slide the impeller plate off from the lower unit and driveshaft. Unique swinging arms adjust to various size gear cases. Apply a thin film of waterproof marine grease to the inner diameter of the water tube seal, to the shift shaft coupler and to the driveshaft splines. Once every 100 hours or once every year, Mercury says you must remove your lower unit to inspect the condition of the lower unit and water … Video show tools and GLM parts required to make the repair. FREE Shipping by Amazon. 4.3 out of 5 stars 15. Thread the lower unit bolts into their bores as tight as possible by hand. Items you will need Apply Mercury Perfect seal to the threads of the lower unit bolts. At US Boatworks, we carry high-quality new and used lower units for boats. 2005 HONDA 15 20 hp LOWER UNIT GEAR CASE ASSY GEARCASE LONG 41005-ZY1-615ZA ... 1995 Mercury 200 HP 20" L Lower Unit 1647-9148T84 Standard Rotation 1.87:1 ... must be removed.

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