They are polished to a smooth finish ready to prime and paint. So the crack is about 2 inches long on left side then soes to the front of ittowards the boat. Put a quality propeller on your yamaha outboard motor with our range of yamaha propellers for yamaha outboards. Dont let your boat sit idle any longer than it has to.
Overheating is a problem which can be diagnosed through a process of elimination. Is a crack in the exhaust bellows a major issue for an. Not to mention that when running your motor into hazards, that you can bend the propshaft as well. Keeping your sterndrive in tiptop shape will add years to its life and help to keep.
Brand fits mercruiser alpha one gen 2 impeller repair kit for 4743026q06. For best results, run the engine for a few minutes to lower the oils viscosity and. Take a tour of a few boat yards and you are likely to see dozens of boats with their drives removed, many because they are corrosion damaged. Less lucky people have the lower housing cracked after a log hit. Download a digital repair manual straight to your computer, tablet or ebook reader in seconds. Mercruiser 19701978 165hp inline 6 upper outdrive 1. All remanufactured lower units for sale include a full 1 year warranty. Exactly how this is done varies from one type of engine to another. Read book free mercruiser stern drive shop manual alpha one bravo two three 199 one gen 2 drive assembly from the box to your boat with our tech support specialist, phil. How to check the lower unit gear oil on a mercruiser alpha one. They reside in your outdrive, electric head, pressure. The propshaft consists of many bearings and seals that protect the. How to remove your mercruiser alpha one sterndrive with.
This is part 8 of of the alpha one se106 lower unit repair. If the splines of the new unit dont seem to be matching up with the hidden gear of the upper unit, slip on a prop and gently spin it counterclockwise until it matches. Therefore, before i had a mechanic start replacing seals, etc. Shoreline marine sl52226x pump lower unit fill yellow. Then i would let it sit that way for a day or so, sand off the paint around the crack and scuff up good with 150 grit sand paper and stop drill each end of the crack. Use a copperfree, drivespecific paint, such as west marines antifouling outdrive spray paint, if the boat is kept in the water full time. Winterizing boat engines and drives the boaters guide to. This information can be of great help when trying to determine where the water came from and how it got into the engine.
Mercury, suzuki, mazda, volvo penta, tracker, yamaha, evinrude, and others. Mercruiser alpha one gen ii cracked lower unit page. Draining an engine must be thorough as small pockets of water can crack. If the bearing shell cracks, it will be stuck in the housing and the housing will be unusable. 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. Default name a z name z a price low high price high. No responsibility will be accepted for the removal of or for possible damage to the unit or any parts left in place. If youre fishing, boating or taking the family out on the water, our yamaha boat propellers will get you there every time. Buy products related to mercruiser alpha one gen 2 products and see what customers say about mercruiser alpha one gen 2 products on free delivery possible on eligible purchases.
If you want to get as much of the old oil out as possible, now is a good time to change the engine oil. Like all of our other lower units, they are a perfect fit and have the industries best warranty. This is the second lower unit i have repaired in this. Com brand mercruiser alpha one gen 2 impeller repair kit in water pump fittings. Any ideas on repairing a crack in a lower unit page. Today, i picked up my boat from a lower unit rebuild. Manufactured to truly match the original size and shape. Alpha one se106 lower unit part 1 boat repair youtube. Depending on the size of your boat, it could be from one to as many as seven or more. It can also be from a more serious reason such as a bad water pump or clogged exhaust castings.
Most recommendations are for about oneanda half inches of unpainted surface. Omc electric shift sterndrive repair omc parts drawing video. The waterpump impeller and housing should be one of the first items. The lower unit gear case oil on the mercruiser alpha one outdrive serves a. This lower unit cracked over winter when trapped water froze and expanded. Cobra sterndrive 800 omc parts mercruiser outdrive videos. Stern drives, transoms and gimbals great lakes skipper. Also repaired a small crack at the same time by grinding the crack away to open a smaller hole. If the oil level is too high, drain a small amount from the motor with a hand pump from the oil filler neck. A downloadable repair manual is a digitally delivered book of instructions designed to aid a mechanic in the action of fixing or repairing a vehicle back to factory specifications. Is there any way to fix a crack on the lower unit of an. Mercruiser sterndrive mercury quicksilver parts catalog. How to repair a marine engine with a cracked block youtube.
First determine the location of the water in the engine. Alpha one se106 lower unit part 5 boat repair youtube. Alpha outdrive trim not going down boat design net. Com brand fits mercruiser alpha one gen 2 impeller repair kit. I didnt realize it until it showed up and the package has all the part numbers and applications. Mercruiser alpha one lower unit gearcase seal kit glm part. Mercruiser skeg weldinglower unit weldingcavitation. We have boat engine parts, inboard engines, outboard engines, lower units, and stern drives from the brands you know, love, and trust. I would just drain the lower unit then position the motor so the crack is up and no oil could drain into it may need to take the motor off. One manufacturers yearly or 100hour maintenance schedule does not include an inspection of the water pump and impeller, but insists you change the impeller at 300 operating hours or three years, whichever comes first. The skegguard can also be used to repair and replace an already broken skeg. To repair any damage except a bent fork you can bend it back up after aligning.
The shift system of a mercruiser alpha system is really very simple but it must all be working properly. Alpha one se106 lower unit part 8 boat repair youtube. Be sure you spin it in the proper direction, which is indicated on the replacement housing. I have a question i have a 92 chaparral with mercruser alpha one out drive. Power up with new discount boat engines from great lakes skipper. What smacking a boulder does to your lower unit gears lakelink. How to install your mercruiser propeller with pictures.
We also stock the shafts and water pumps for these lower unit replacements. Anyone who has owned a stern drive boat or two knows how troublesome and costly stern drives can be. Mercruiser lower water distribution housing boat talk. The crack was not repairable, and i already had a fair amount of repair costs incurred. If you have been needing a replacement engine, then you can find one that will work for you out of ebays many reasonably priced new or used mercruiser 3. Yamaha outboards are one of the most trusted brands on the water and are known for their reliability and their light and strong motors. Changing the shift belows on a mercruiser alpha one. Ours are the strongest and most labor saving and time saving replacement skegs and cavitation plates available. Next the mechanic pulled the waterpump off the lower unit to look at the upper seal. Ot mercruiser outdrive skeg repair practical machinist. It can be a temporary problem such as weed or debris wrapped around your lower unit. This one says fits alpha 1 but there are two different alpha skeg designs. If water is left inside of the engine to freeze, it will cause the block. The omc lower units, also known as johnson and evinrude, will arrive without the drive shaft and water pump.
Outboard and inboard boat engines great lakes skipper. Nevertheless, there is still a difference in the level of quality between these suppliers whether the replacement parts are new or aftermarket, etc. Mercruiser alpha one gen ii cracked lower unit just to follow up. And for what id spend repairing and replacing props on an annual. Every lower unit from jasper marine receives where applicable to unit design all new bearings, gaskets, seals, water pump housing, and water pump impeller to assure the performance and reliability of your remanufactured unit. All gears are replaced with 100% oem components for the best performance, quality and life of your unit. The pump for a mercruiser alpha one drive, for example, is in the lower unit of. Your lower unit will thank youskegshield gator guards. Anything other than standard skeg or cavitation plate weldingsuch as crack in bell housingthe lower unit must be completely emptied. There are alignment pins on the new unit, to make sure it seats properly, so make sure they line up photo 4. And theres only one thing that keeps the water outside the boat from entering those. Changing the lower unit oil will help protect your boat from worn out lube over. This is when the mechanic saw the cracked housing, under the waterpump. The care and feeding of sterndrives seaworthy magazine boatus.
When your boats sterndrive needs upgrading, maintenance or repair find what you need in our online selection. Ideally, the impeller should not be cracked anywhere, and it should certainly. Free mercruiser stern drive shop manual alpha one bravo. I see gears crack, driveshafts break, propshafts break, with stainless. The remote control will pull the dash shift cable when placed into forward gear. Merc mercury alpha 1 gen ii alpha i gen 2 io sterndrive aluminum anode kit with hardware. Inspect the propeller for nicks, cracks and bent blade tips. How to repair a marine engine with a cracked block.
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