Mercruiser shift shaft position If clutch does not engage, loosen adjustable stud on shift lever and move it up in slot until clutch engages with REVERSE The Shift cable is the gear cable that runs from the alpha leg through the gimble housing and terminates on a shift interrupt switch bracket, usually mounted somewhere on the engine (rocker cover or exhaust riser). Apr 1, 2014 · Re: No Reverse after water pump change on alpha one lower unit OK. I did remove the shift shaft assembly and reinstall but I think I may have installed it out of position. the shifter at the top of the shift rod at the powerhead needs to be in neutral and so does the LU when you reinstall it, sometimes its a pain to get it right but be patient and you will Feb 28, 2024 · Unattached shift cable, cable movement is easy at helm with positive feel of N. w/o this washer. Hopefully that will give me a complete parts list and project scope. Is there any special precautions when doing this, or special tools needed. Sep 7, 2010 · Re: Mercruiser won't go into forward gear! I checked to make sure the that the shift shaft is moving correctly and it is. GASOLINE ENGINE STERNDRIVE MODELS. My Mercruiser engine manual doesn't have the procedure for removal and installation. May 16, 2024 · Smooth and reliable shifting is a fundamental requirement for an enjoyable and safe boating experience. Enjoy the videos and music you love, upload original content, and share it all with friends, family, and the world on YouTube. However, I've had these engines before and they did not behave like this. If interested in purchasing the products below, visit our Amazon affiliate links below. Push in on drive unit shift cable while simulta- neously turning propeller shaft counterclockwise until shaft stops, to ensure drive unit is complete- ly in Having proper control over your boat and the engine is vital to the safety of you and everyone on your boat! So if it’s hard to shift, that’s a problem! Outboard Shifting Hard & Outboard Shifting Problems! Hard outboard shifting is a result of a gear case issue, a stuck shift shaft, a broken shift mechanism, a faulty control cable, or an issue found in the control box at the helm. This switch is directly centered in the assembly when the cable Tools & Accessories → Mercury → Alpha Drives → Shift Shaft Slide Stabilizer 91-865232 Mercruiser R MR tool for shift cable kit adjustment and install, Alpha one, gen 2. Jun 9, 2014 · Alpha 1, 1986, Merc 190 This is somewhat a 2-part question: The manuals (and threads) are always clear on how to install the lower-unit to upper, and directions for adjusting, rotating of the shifter shaft CW, while holding the prop CCW to keep the shifter in-position; However, my first Aug 2, 2020 · This is Part 1 of a sequence of videos I will post on how to properly make repairs on the transom components. Apr 22, 2013 · Re: Alpha one Shifting cable adjustment This is the adjustment for the cable that goes through the transom and to the drive. 9) Slide the unit forward until the main shaft hits the coupler spline. this shift shaft is pretty darn loose fitting. Take the key from the ignition and disable the deadman switch. Shift levers sliding in, shift slide is not jammed. In this video, I remove the upper shift shaft from the bell housing on my Mercruiser Alpha One Gen 2 Outdrive. Enough that sitting in my sloped driveway it runs down the drive. Addressing issues with the shift cable, water pump impeller, and drive shaft seal can go a long way in maintaining the efficiency and longevity of the Mercruiser Alpha 1 Gen 1. Apr 20, 2014 · Re: How to align the upper shift shaft to the lower shift shaft of MC-1 Didn't mean you (well maybe the shifter LOL) but this is the time of year that the folks that replaced their impellers, run into shift problems (put together with gearcase in reverse, rather than forward, easy mistake to make) and the guys that watched the you tube videos and winterized with antifreeze WITHOUT DRAINING THE Oct 1, 2012 · Re: Shift lever position to reconnect 1987 Alpha One Gen One lower unit Just curious, since you only removed the lower unit, does that mean all the necessary maintenance inside the bellows was done? Bellows checked for water, ujoints checked and greased, gimbal bearing checked for damage and greased (excess grease cleaned up). Just pick up a 1992 Mariah Diablo 18’ with the Mercruiser 4. If you are in fwd, turn the shift shaft counter clockwise, should feel some pressure then the pressure will let up this should be nuetral, then one more turn CC to reverse. I noticed that when I initially dropped the lower unit to change out the impeller, that it was in neutral. Quicksilver gear set (43-87807A Jun 1, 2004 · Hi, I recently replaced my impeller and therefore had to remove the lower housing for my Alpha One Gen I. Shift Shaft: The shift shaft is connected to the transmission or outdrive and moves to engage different gears based on the position of the shifter handle. I've dropped the lower unit several times now, and Apr 20, 2006 · 8) Look in the right side and recheck the shift arm position and roller position (step 5). Anything else I should be planning on replacing besides the new bushings and seals We would like to show you a description here but the site won’t allow us. The interrupter switch is working and the boat will go into neutral when the interrupter switch is manually activated. In this video I’m showing the damage and what I’m going to have to do to fix the damage when you push an outdrive into the transom with too much force. , so i have this gen 1 drive with a shift shaft that when in forward is off by about 1/8-1/4 inch. Install Mercruiser lower unit drive shaft and pinion gear DIY Raptor Club Part 1 Unisex Classic Pullover Hoodie Jul 22, 2009 · Re: Putting drive unit back on. In this first video I describe the cause and repair for MerCruiser Alpha one shift Apr 25, 2023 · In this article, we will discuss some common mercury outboard shifting problems, their causes, and solutions. 3l, Mercruiser bravo 5. 1/4-28 pipe thread tap for older unit assembly. Sep 21, 2017 · Here are the symptoms: 1 - At one time the Shift Actuator moved all by itself while engine was running, throttle stick in neutral. It has been checked and confirmed that the Mar 12, 2011 · Re: shift shaft washer missing? part #24 only holds the shift shaft in the upper. Replacing and Maintaining Mercruiser Alpha 1 Gen 1 Parts The Mercruiser Alpha 1 Gen 1 is a popular marine engine drive system used in boats. I measured the lower shift cable and it measures 6" like it should. it just does not line up with the front stud. When a sliding clutch engages a forward or reverse gear in the gear housing, it creates a direct coupling that changes the power flow back to horizontal Mercruiser R MR tool for shift cable kit adjustment and install, Alpha one, gen 2. Aug 6, 2010 · Re: Bent Shift Linkage on Mercruiser/SE Outdrive Thanks for the advice guys. 1. It fits Models; MC-1/R/MR/Alpha One & Alpha One Gen II, Serial No. Jan 5, 2025 · Shift shaft alignment tool. Jun 23, 2014 · The shift shaft shoe should now be pointing at an angle towards the port side of the boat (called the 10 oclock position on the shift shaft if looking straight down on it). How to adjust the shift cable and neutral cutoff switch on a mercruiser 260. When I reinstalled it, I turned the lower shift shaft clockwise and engaged the prop CCW making sure the upper casing shift mechanism foot) was in the forward position. Alpha engine pdf manual download. Does the bronze splined shift shaft on the lower unit need to "click" into place with a bit of force and a clicking sensation? We would like to show you a description here but the site won’t allow us. I know its pretty straight forward but do I need to put the gear shifter in a specific position to release the drive? Also what are the torque specs Jul 5, 2016 · About this item 👍 INCLUSION & COMPATIBILITY — It comes with Marine Tech Tools Shift Shaft Wrench and fits on Mercury, Suzuki, Yamaha 100HP and above 👍 DOUBLE HEADED DESIGN — Used for shifting the gearcase between forward, neutral, and reverse when working on lower units on a workbench. Go to your Mercruiser Dealer and get the new style, dual lipped, brass shift shaft bushing assembly. Your description of the partial engagement of the Reverse clutch could be due to either 1. Position drive unit shift shaft so that it is straight forward by turning shift shaft CLOCKWISE while simultaneously turning propeller shaft COUNTERCLOCKWISE. It holds the shift shaft in place while you push the sterndrive unit back into the bell housing. A shift interrupter switch connects to the shift plate and stalls the engine when you shift in and out of gear to help prevent damage to the stern drive. Apr 21, 2023 · I am trying to reinstall the stern drive unit on my Alpha 1 gen2 mercruiser. If you want to find out more about the topic and read the official MerCruiser DTC list, you’ve come to the right place. We at PowerSportsGuide have compiled all you need to know under Mercruiser Alpha One bushing for outdrive gear case shift shaft between upper housing and lower unit. 7l. Replacing the shift shaft seals is pretty straightforward. There Jul 1, 2003 · I will be removing my Bravo 3 drive for the first time. shift shaft position? Put the shifter (in the boat) in forward gear, this will put the shift shaft pointing straight back. Open your engine compartment and look at your shift cable attaching plate. I replaced the shift position sensor and it did improve. After reinstalling The Shift Cable moves a lever, which in turn, slides the "Dog Clutches" linearly on a splined shaft (this is the same shaft that the propeller is mounted on). Hello, My Alpha One Gen 2 out drive will not shift out of gear. Help installing and adjusting. The cable was lubed upon Mercury 200XL Verado Shift Shaft Seals Replacement If you’ve removed the lower unit from your outboard, go ahead and replace the oil seals while you’re at it. These codes can be pulled in many ways including using a diagnostic tool or decoding the flashing pattern of the check engine light. Whether you’re cruising the serene waters of a lake or navigating the open sea, your ability to shift gears seamlessly is critical. Shaft alignment tool is perfect. It will move a quarter of an inch and slides back to the one inch mark. Follow these easy steps & line up the shift linkage on your mercury outboard. I unhooked the cable from the contol and manually moved the shift shaft and it locks like it should in forward and reverse gear. Locate the cable that runs down to the drive and inspect the two side set screws May 9, 2025 · hey there. It is stopped at one inch and wont come off. i'm thinking maybe the throttle slack might DID YOU KNOW that Mercruiser now has a new style shift seal for the R, MR and Alpha One? The shift shaft seal located in the bellhousing would fail and let water into the shift cable pocket. We would like to show you a description here but the site won’t allow us. Are you sure the shift shaft is mated up with the shift cable when the lower was put back on? When you shift the boat do you see the above pictured shift shaft move? This part is right at the front of the lower outdrive unit where it meets the upper outdrive unit. - After changing my impeller and reasembling (1994 60HP Mercury), out of water tests seem to indicate that I have only forward gear, no reverse. If clutch does not engage, loosen adjustable stud on shift lever and move it up in slot until clutch engages with REVERSE The MerCruiser stern drive's shift cable connects the driver controls to the shift control plate. I dropped the lower unit, turned shift shaft CW, moved prop CCW till it stopped, and used bungee cord to hold into position. Aug 8, 2010 · Marine: Boating, Sailing, PWC, Nautical Navigational GPS - Shift Shaft alignment with lower unit. Mechanic's Assistant: I'm sorry to hear that. 5 Liter Alpha 1 has a problem shifting out of reverse, where it wil 12. While checking for excessive play in the lower shift cable (1C-36) I noticed the outer jacket of the How a dog clutch or dog gear works. Replaces the small weak seal used originally on the shaft that runs through the exhaust portion of the gimbal housing. How to check and adjust Mercruiser Alpha1 stern drive shift system: My 2018 Mercruiser 4. Once I get the drive pulled and the bellows off I'm going to inspect the Gimbal bearing. also, when turning the prop it obviously New and Re-Designed Shift Shaft Bushing and Seal Kit for a Mercruiser Sterndrive. You must have accidentally moved a tooth or two on your shift shaft in the lower unit. 3 and an Alpha One Gen 2. Just had the drives off, and had the prop seals, pumps serviced by a Merc mechanic. Even when I apply pressure to the shift shaft clockwise with pliers. Get step-by-step instructions and visual guides to help you properly adjust or replace your shift cable. The shift shaft was turned clockwise as viewed from the top while turning the prop counterclockwise until it locked. : Turn the LU shift shaft by hand counter-clockwise until it stops, then with Vise Grips tight on the bottom of the shaft turn it a few more degrees CCW until it clicks into a stop, this should be neutral - check by turning propshaft -- prop should spin See full list on kayakpaddling. Apr 8, 2013 · 1972 mercruiser 120, pre-alpha outdrive I took the outdrive off and replaced the impeller. STERNDRIVES. On the drive, just rotate the shift shaft till it points straight to the front, then use a bungee cord on the prop to keep a little pressure on the gears or it will pop out and the shift shaft will rotate. Once you've got everything in position rotate it and pull it out. item #50 from here. View and Download Mercury BRAVO service manual online. you would think this would not be an issue and you can make up the difference in the linkage but that shaft Aug 26, 2013 · Re: alpha one gen 1 outdrive not shifting stuck in forward gear Welcome to iboats sme5. Remote control with single lever shift/throttle control: Right-hand (RH) propeller rotation drive unit - Shift remote control into reverse gear, wide-open-throttle position while simultaneously rotating propeller shaft clockwise. Our double headed design eliminates the need for a separate wrench for each manufacturer 👍 BUILT Apr 21, 2012 · Re: Alpha One out drive shift linkage question sounds to me like ya forgot to put the washer on top of the shift shaft in the lower. 0 MPI - Shift Position Sensor Error Jump to Latest 11K views 20 replies 7 participants last post by Techmitch Aug 30, 2024 J Feb 12, 2022 · One-Person Lower Unit Reassembly for 2014 Mercury 90 HP FOURSTROKE Engine Refer to Figure 1 below to see how the ratchet strap is positioned to lift the lower unit upward and into the midsection. However, as any seasoned boat owner knows, shifting issues with a Mercury outboard motor can quickly turn a Jul 22, 2009 · 5,343 Jul 21, 2009 #4 Re: Shift Shaft alignment on Alpha 1 Gen II should be straight fore and aft be sure that the shifter at the helm is in the shift position and not throttle only then check the shift linkage at the bell housing, you can swivel it and make sure the roller portion on top fits between the tabs on the shift slide on the shift cable. When you press the new bushing into place, make sure you sealed it with loc-tight! Apr 13, 2012 · As I returned the engine from the full tilt position to the down position, the part shown in the photos fell out from the drive shaft housing onto the garage floor. Tools and Materials Needed for Mercruiser Shift Cable Adjustment To perform a Mercruiser shift cable adjustment, you’ll need a few essential tools and materials to ensure a precise and safe adjustment process. Remote Control with Single Lever Shift/Throttle Control: RIGHT HAND (RH) propeller rotation drive unit - Shift remote control into REVERSE gear, WOT position while simultaneously rotating propeller shaft CLOCKWISE. Also for: Bravo, Mercruiser alpha 3. Also for: 90-863160. Engine shifting by hand is easy with engine off and hand turning prop. Checked out YouTube, but couldn't find a video on the shift shaft. Dual Mercury Master Technician - for Mercury Outboards, Mercruiser and Mercury Racing at European Marine in Greenville, SC. the shfit shaft in the upper isn't raised high enough to properly engage the shift shaft in the bell housing. Once you separate the drive, move the shift spline till the prop is lock in forward gear (prop moved couter-clockwise). Nov 10, 2023 · Need to solve your Mercury Outboard shifting problems? Then this article’s just for you! Learn all the solutions and live worry-free with your Mercury outboard! If interested in purchasing the products below, visit our Amazon affiliate links below. Locate the cable that runs down to the drive and inspect the two side set screws Jun 24, 2024 · Proper shift cable adjustment can restore smooth shifting, enhance control, and ensure the safety of your boating experiences. This water would run up the cable and ruin it. BRAVO engine pdf manual download. ) A mis-adjusted Shift Cable or 2. Any ideas why DID YOU KNOW that Mercruiser now has a new style shift seal for the R, MR and Alpha One? The shift shaft seal located in the bellhousing would fail and let water into the shift cable pocket. Shift Interlock Rod: This rod connects the shift bellcrank to the shift shaft, ensuring that the correct gears are engaged when shifting. Mar 1, 2000 · 5) Move the shift arm with the lower shift cable attached to collapse the cable to its shortest position (fwd gear) 6) While moving the cable to its shortest position the prop must be rotated counter clock wise to the stop. you're going to have to remove the prop shaft first to relieve the spring tension. Quicksilver gear set (43-87807A 3. Mar 30, 2013 · Re: Trouble with shifting after changing impeller in lower unit - Alpha 1 Gen 1 (1990 I hate to say it, but you need to separate your drive again. Do not worry, we are going to take care of it. Range F094774 & Below. Jul 7, 2020 · Have a friend turn the flywheel with a 15/16" socket and ratchet (clockwise) to assist in indexing the driveshaft and reach between the swivel shaft and the driveshaft housing to manipulate the shift shaft into position. Dec 8, 2012 · Re: Alfa 1 gen 2 shift Lower Shift Shaft seal change I wish it were that easy,when you pull the shift shaft out the clutch dog is going to pop out of place and the shaft will not go back in place. 0l, Mercruiser bravo 4. Mercury Shift adjustment - Moderated Discussion Areas Hop to: Oct 3, 2012 · The oil seals in the shift shaft assembly were leaking badly and a new assembly was ordered and installed. The upper shift shaft has two seals that keep water out of the driveshaft bellows and Aug 6, 2011 · Re: How do you shift a mercruiser lower unit (not attached) into forward? To shift the lower into forward, turn the lower shift shaft (short splined shaft) all the way clockwise, turn the prop counterclockwise till it locks, then use a bungee on the prop to hold it in place. it's supposed to be this way when the upper is isolated. Now the engine won't shift out of FWD. 7) When the prop is jamed against the stop counter clock wise, and the cable compressed, this if full forward position. 0l, Mercruiser bravo 5. slip the prop on the shaft then rotate the drive shaft while noting the direction the prop is rotating. When you press the new bushing into place, make sure you sealed it with loc-tight! 12. Hard to come by outside the US. It is leaking gear lube from the lower shift bushing. You may want to try some WD 40 spray on the shift Jul 23, 2022 · How to Line Up the Shift Linkage with the shift Rod on a Mercury Outboard Another common question we get is about lining up the shift linkage. ) When I first took the drive off the boat and turned it upside down the We would like to show you a description here but the site won’t allow us. Aug 13, 2020 · Hey guys, new to the forum and new to boating. Put it all back together. Inspect the drives ujoint shaft assembly for wear and/or rust. The gear shift was in full forward position during all of this work. Neutral and reverse both work fine. The upper shift shaft gets jambed too Shaft Engine torque passes through a drive shaft/universal joint to a pinion and drive gear in the drive shaft housing where the horizontal power flow from the engine is changed into a vertical flow down into the lower unit or gear housing. Then make sure the lower shift shaft is Apr 13, 2015 · Swapped out steel shift shaft for a new stainless steel one. I just got home from work and I'm going to start on this project tonight. I tried to pull gear shift back to neutral, and it stops just short. Replace outdrive lower unit shift shaft and crank - DIY “No Spark” Is it a Bad Switch Box, Stator or Trigger? Using a DVA Adapter - 1989 45 hp Mercury Find your THROTTLE AND SHIFT LINKAGE (MANUAL) diagrams at PPT using our parts catalog. Jul 11, 2010 · I just finished replacing my shredded impeller, and now my engine won't shift out of fwd gear. Then put you shift control in forward gear. I position the shift lever forward, shift slide with alignment tool. 12. Customer: Hi, I replaced the shift shaft and seal on a pre-alpha Mercruiser lower unit, but I can't establish forward gear by turning the shift shaft clockwise and the prop counterclockwise. shift engine into forward gear using remote control drain the engine crankcase oil to prevent oil loss when gear case is removed remove lower unit replace impeller; some movement of the drive shaft Just got done installing all new bellows on my 98 Alpha 1 and it won't shift and its stuck in forward. This part is to help align the shift rod and splined shift shaft during re-assembly. I earn from qualifying purchases. Learn how to use a Mercruiser shift cable diagram to troubleshoot and fix shifting issues with your boat's engine. Need to remove, repair or replace a Mercury outboard lower unit? Here's a video playlist of gearcase maintenance and repairs for various Mercury outboard models. I held the shift shaft in the forward position while a friend lowered the upper drive onto the lower drive. it's a common mistake many folks make. it is not a full tooth off. . When you press the new bushing into place, make sure you sealed it with loc-tight! Customer: I have a 1987 Alpha One Gen 1 Mercruiser lower unit, and I need clarification on turning the shift shaft clockwise and the prop counterclockwise to install it with the shifter in the forward position. I was watching the engine compartment when I saw the shift actuator engage and push the shift wire and, after about 15 seconds, all by itself pull the wire back! MerCruiser fault codes are diagnostic codes that apply to given malfunctions. Aug 18, 2015 · Mercruiser 5. View and Download Mercury Alpha installation manual online. Then using a small pair of pliers turn the shift shaft clock wise till it stops. I cut the u-joint bellow to check and its not rusted, the shift cable boot is the problem. If it rotates clockwise make sure your lift tube is in place and Mar 8, 2006 · Re: How do you align upper shift lever and lower unit No, the LU should shift into each gear as you turn the shift shaft. When we want to reinstall the lower unit the shift linkage pin alignment can be troublesome for many of us. Jul 12, 2016 · I was advised to be "VERY CAREFULL" when replacing the seal on the shift shaft. Mar 16, 2023 · I’ve been able to get the drive shaft to line up and slide in pretty consistently. If you see evidence of water intrustion you will have to service the drive. Hop up inside the boat and disconnect the drive shift cable from the shift plate assembly. Alignment check and greasing the coupler splines (VERY Important). Inspect the shift pocket area where the shift link rod assembly sits. I tried to move the cable by hand and it still won't budge. it's held in place by a cotter pin. Put the gear in the forward position, 6 nuts, and the rams are off. This is the gear shift shaft that won’t slide into the tube, on the very front of the lower unit. Nov 14, 2015 · This is how I do it in about 60 sec. Jun 2, 2019 · Drives and Lower Units - Alpha 1 Gen 1 shift adjustment questions/issue - New to me 1990 280 da. This item replaces 23-805041A2. THIS JOB IS EASIEST DONE WITH THE DRIVE SHIFTED INTO FORWARD AFTER BEING PULLED. Insert drive unit and unit goes in but stops about 1/2 -3/4 inch from all the way. net Mercury Tower of Power 115 Shift shaft alignment before putting LU back on motor. It makes reinstalling the sterndrive much easier. I have re-adjusted the shift cables per Manual 14 and adjusted the interrupter switch position (2A-13-2A-17). How do I know that the gear shift shaft is in the right position? (Yes, I did put the boat in forward when I took the drive off. Can I get a few words on properly setting alignment of shift shaft from gear Jan 9, 2016 · Take the lower unit back off. Nov 28, 2017 · Set the drive down and out of the way. If clutch does not engage, loosen adjustable stud on shift lever and move it upward in slot until clutch Aug 21, 2012 · Having to replace the bellows on a alpha 1 gen 1 and im unable to get the outdrive off. Sounds like this is what needs adjustment that clicking sound is the dogs on the gear trying to engage fully. THIS IS IMPORTANT: You will have to pull the shift shaft to complete this repair. ) A damaged Dog Clutch in the Lower Unit housing. Any help would be greatly Aug 17, 2010 · Re: Position of Shift Shaft before Pulling upper and lower together? did you have a problem with the LU shifting before you changed impeller? you should be able to shift it by turning the shift rod in the LU. Clutch should engage and cause propeller shaft to lock. YOU MUST KEEP THE OUTDRIVE IN A POSITION WHERE THE SHIFT SHAFT IS STRAIGHT UP AND DOWN IN ALL DIRECTIONS. ncvqfxvuo tbuu ytw iodubz ypn cmhfdbw baay uhcbs yvw ulnzzs uimv htqrwa rhvgd boon jwgsq