We have a Mercruiser sterndrive manuals. A lower unit is heavy and cumbersome to handle. Remove the last nut and pull the outdrive straight out. Remove the speedometer hose from the nylon fitting. 70. SEI Marine SE106 MerCruiser Alpha One Gen 1 Lower Unit (All Ratios) Brand: SEI Marine Part Number: SE-90-106-02. Motor starts and revs but will not go into gear. This is accomplished by removing all the nuts and the anode trim tab (zinc) along with the hidden allen bolt which is tucked up underneath the zinc anode. The complete Mercruiser sterndrives come in five gear ratios: 1.47:1, 1.61:1, 1.81:1, 1.94:1 and 2.0:1. Need to know how to remove a Mercury Alpha one lower unit from the outdrive? Mercruiser Alpha One Replacement Complete Lower Unit SE106 is available with us in 4 gear ratios. The company makes replacement sterndrives for MerCruiser's® Alpha One® and Gen II stern drives and replacement outboard lower units for Mercury®, Johnson/Evinrude® and Yamaha®. First, you remove the sterndrive and then you separate the lower unit from the upper gear box. The Marine Mechanic I'm going to connect you with knows all … Position the screwdriver under the E-clip, now exposed on the end of the shaft that connects the trim/tilt cylinder to the outdrive. 1. Page 34 MAINTENANCE SERVICE MANUAL NUMBER 25 3. Constructed from 1” square and 1/8” thick steel tubing. Gimbal housing for Mercruiser, Alpha One and Alpha One gen 2 outdrives.MerCruiser Sterndrive Section 1 Alpha One Generation II Complete MR/Alpha One Sterndrives Complete Sterndrive Unit Application Guide Replacement Sterndrives Complete Section 1. The proper way to remove the lower unit on a MerCruiser stern drive is completed in two steps. In addition, removing the stern drive allows for inspection of the u-joints and other important components. Leave the last nut loose; turn it by hand. It fits into the lower housing on all # 1 drives made from 1965 - 1990. $799.99. 1972-1990; Up to 300 HP. With housing right-side-up, take a long screwdriver from above and knock out the smaller bottom seal. We offer a wide array of Mercruiser gearcase components. 4.7 out of 5 stars 104. This tended to fail so Mercruiser changed the Gimbal Rings and Steering Shafts to use a square pattern. This shaft will not fit Pre-Alpha or Alpha drives. He now make the Twin Cities his home. Description ... Alpha One Gen Two drive units from MerCruiser. Remove the E-clip with your fingers once it is loose. Replacement Lower Unit for R, MR, and Alpha One Drives. His works range from formal business documents to books and articles on travel and leisure. If you don't want to have to manhandle it, suspend a rope or ratchet strap from a sturdy rafter or other overhead support directly above the unit and attach it to the end of the rope at the attachment point built into the top of the housing. One nut up front, two nuts just behind that on either side, 2 nuts under the drive behind those, the allen-headed trim tab bolt you get from the top and the hidden allen head bolt that you get from the bottom that hides under the trim tab. Check the lubricant for excess metal filings or water. He holds a Bachelor of Science in wildlife science from Purdue University. This is the lower shift shaft bushing assembly. Sand the surface of the stern drive down to bare metal, using 150-grit sandpaper. Mechanic's Assistant: Sometimes things that you think will be really complicated end up being easy to fix. Early MR and Alpha One units had a splined upper Steering Shaft and hole. Upper unit gears, shift spools, replacement drives, shims, O-rings, and seals make this an excellent comprehensive site for all of your Mercruiser gearcase needs. Place the entire drive in an adequate drive stand and remove the upper driveshaft housing from the lower gear housing. Save mercruiser alpha one gen 1 lower unit to get e-mail alerts and updates on your eBay Feed. Use the boat's trim and tilt system to put the outdrive in the fully down, vertical position. It will install and remove shift cables on Mercruiser 1, R, MR, & Alpha One Generation 2 Drives that... $29.95. You will find; a full explanation of every product, all information for step by step maintenance and repair, plus a variety of detailled illustrations. This can usually be done with your fingers by pulling upward on the hose. Check out the deal on SE116, HA LOWER (Replaces Mercruiser Gen II) at Sterndrive Engineering. Sterndrive Engineering's Outdrives are not remanufactured, … Our Aftermarket sterndrive alpha one generation 1 parts are all interchangeable with Mercruiser. MAL9-79816. Because it's a simple job and can be done quickly, some people remove their units when they put their boats in storage to prevent thieves from stripping the outdrives when the storage area is a less-than-perfectly secure location. Schoonveld earned a Master Captain License from the Coast Guard. Take care when removing a sterndrive or lower unit. Get the best deals for mercruiser alpha one gen 2 lower unit at eBay.com. I have a 1986 Regal Sebring with a Alpha One 230 HP V8. This is why we provide the ebook compilations in this website. Grasp the lower unit securely with both hands and pull straight back on it. Rotate the screwdriver to begin prying the E-clip loose. It is MerCruiser p/n 23- 30617A2. New Mercruiser Alpha One Complete Lower Unit/Gearcase Lower Unit Fits: Models 1972-1990, Alpha One I/O, R/MR, 1.47, 1.62, 1.81, and 1.94 Ratio 3 Year FAULT FREE Warranty Grasp the lower unit securely with both hands and pull straight back on it. These are the pins that attach the cylinder to the lower unit. Make sure to retrieve the spiral spring for later replacement. Put the boat's gearshift lever into forward gear. It is 12 inches long and will fit # 1 drives made from 1991 to Date . It is possible to drop the lower unit while the stern drive is still attached to the boat, but replacing it is very difficult. We have a great online selection at the lowest prices with Fast & Free shipping on many items! Sterndrives are a popular choice in boat propulsion systems with the inboard engine and outdrive unit working closely together to provide an enjoyable on the water experience. Both upper and lower gear housing seal kits are offered, each one meeting OEM standards and including all that you need. Top Marine sells your Mercruiser sterndrive complete or lower and upper sterndrives alpha One Generation 1, generation 2 and bravo one lower units. Sterndrive Engineering (SEI) is the largest supplier of aftermarket sterndrives and our own line of outboards in the world. Shift Cable Tool for Installation Removal of Mercruiser Shift Cables 91-12037. Boating Links: What's Good About Mercruiser Alpha One. Remove the rubber bushings and pull the trim cylinder out from the anchor pin. 2. While cruising at 3,000 RPM the stalls. The Sterndrive units are 100% OEM compatible to fit any Mercruiser® Drive series. Repeatedly clean out drain holes using a stiff piece of wire. Keep in mind, you will be lifting the upper gear housing up and away from the lower unit. Bolt Together Heavy Duty Outdrive Stand For Mercruiser, Volvo & OMC. 90-806534970 1096 Alpha One Generation II Sterndrive 2 - 3 Power Steering Control Valve and Cable Installation 71901 71903 71906 5 6 8 7 4 a 1 2 b 10 3 73901 9 5 A 1 - Steering Cable 2 - … Sand firmly over any patches that have white oxidized crust to remove the corrosive pitting. MerCruiser Drive unit, motor and Transom. Remove all but one of the six nuts from the bell-housing stud with a socket wrench. Before the housing is cleaned you should knock out the seals and remove the lower bearing race. These are an updated design on the first Alpha Ones which were manufactured by Mercruiser from 1991-2003. The task is complete. Do this until entire system is drained. These parts are heavy and can cause injury if handled incorrectly. ... After the retaining ring is removed, watch Remove Bearing Carrier and pull out the carrier. Part No . Buy this product to earn $24.00 in Booty Bucks. MerCruiser Alpha One Gen II Sterndrives. You can select the gear ratio from the drop down under 'available options' on this page. Mercruiser, Alpha 1 and Gen 2 exploded view parts drawing. Metal filings or water are signs of trouble in the lower unit. MerCruiser Diagrams: See various part diagrams for Alpha Sterndrive models with water pump impeller located in the lower unit as well as the Bravo Sterndive models where the Sea Water Pump Impeller is mounted within the engine mounted Sea Water pump. Quicksilver 822777Q1 Aluminum Trim Tab Anode - Mercury or Mariner Outboards and MerCruiser Stern Drives Using High Rake Propellers. Use caution when removing the trim cylinders, as it will cause the sterndrive to drop freely. Mercruiser Merc Alpha One Outdrive Lower Trim Tab Fin Zinc Anode 31640 Mil-Spec USA. How do I remove the pi ion bearing in the lower unit? Remove the sterndrive by pulling it straight back. Wiggle the lower unit up and down with one hand while attempting to pull the shaft that connects the trim/tilt cylinder to the outdrive out of the cylinder ends and outdrive housing. Download File PDF Mercruiser Alpha One Engine Mercruiser Alpha One Engine|helveticai font size 11 format When people should go to the book stores, search start by shop, shelf by shelf, it is essentially problematic. View Diagrams . MR and Alpha One units have one of two styles of Gimbal Rings. Use a 5/8-inch socket and ratchet wrench to remove the six self-locking nuts and the flat washers behind them from the studs that connect the lower unit to the back of the boat. Re: 1986 Mercruiser Alpha One Lower Unit Removal/Stuck Thankd for the reply jamesr1. Please verify with your serial number if you have a Gen 1 or Gen 2 drive ***PLEASE ALLOW APPROXIMATELY ONE WEEK FOR SHIPPING*** 6 MerCruiser COMPLETE DRIVE SHAFT / GEAR HOUSING … It is possible to drop the lower unit while the stern drive … Pry off one of the plastic end caps on the end of the shaft which connects the trim/tilt cylinder to the outdrive using a flat screwdriver. Sand lightly around sharp seams and leading edges, such as the cavitation plate on the bottom of the lower unit. I have already removed the small zinc fin from the top bolt and then I removed the smaller allen screw from the underside and it is still stuck. $5.70 $ 5. Mercruiser Alpha 1 Lower Unit \u0026 Water Pump Service Tutorial by Slavka Alabamka TV 1 year ago 22 minutes 108,854 views In this tutorial we will show you how to service , Mercruiser Alpha 1 , Gen 2 lower unit and the water pump. $8.00 shipping. Part No. Step #1… : Order # 5919 . Tie a length of 1/4-inch rope through the ends of each trim and tilt cylinder. Sterndrive Engineering Replacement Lower Unit Mercruiser R, MR, and Alpha One. They are found on the starboard side of the drive unit. Heavy-duty swivel casters are mounted on all 4 corners making this unit easy to roll around the shop. Before ordering parts you will need to determine if your gimbal ring has a splined hole or a square hole. Remove the Allen screw above the trim tab and remove the trim tab. Many maintenance projects on Mercruiser Alpha One, Generation II stern drives begin with removing the outdrive from the back of the boat. Remove the 5/8 inch nuts from the anti-cavitation plate, the leading edge of the drive shaft housing, and the sides of the housing. We provide alpha one generation 1 lower units as well as upper units.We distribute gears, bearings, water pumps, seals, upper and lower cases, U-joints, yokes and shafts. ... Tool Bearing Carrier Retainer wrench Lower Unit Mercruiser 91-61069T. "Mercruiser Stern Drives 1998-2004 Clymer Repair Manual"; Primedia; 2004. Use a gasket scraper to shave away any small barnacles. Replaces most Mercruiser Sterndrives from 120-260 HP 1967-1990 2. Lower the sterndrive completely and drain the gear oil by removing the lower fill plug and the upper vent screw. I have a mercruiser alpha one gen 1 sterndrive. 4.7 out of … 1. First, you remove the sterndrive and then you separate the lower unit from the upper gear box. Norm Rogers is an experienced writer, publisher and blogger. Lift the upper gear housing away from the lower unit. If it's too tight to remove by hand, put a punch on the end of the shaft and tap firmly enough to push it free. Pull the cylinders upward as far as possible, securing the opposite end of the rope on or inside the boat, holding the cylinders up out of the way. Take care to prop it up before taking this action. We can supply 1.47,1.62, 1.81, & 1.94. Use a 5/8-inch socket and ratchet wrench to remove the six self-locking nuts and the flat washers behind them from the studs that connect the lower unit to the back of the boat.
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