Preventing problems in outboard motors seaworthy boatus. I was just going to recommend what trophy replied with. Ive got 2 2004 200hp 4 strokes and both lower unit housings are cracked on both sides of the prop running parallel to the waterline. Drop and drain the trolling motor, too, because there likely will be some water inside. Part of the maintenancelogs section of the continuouswave website. If you are considering evinrude e tec cowling boat parts, you have certainly come to the most appropriate place. He will drop the unit, remove all seals etc and then reweld it.
Outboard engine lower unit troubleshooting gone outdoors. Nov 01, 20 slide the lower unit carefully into place. 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. 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. Following the birth of our son, my wife once commented that she was in the market for a new lower unit as a result of the ordeal. I have taken it in to a local marina to have it repaired. This outboard engine weighs approximately 125 pounds. I guess i will find out how good the warranty is in a day or two. Honda marine 4stroke outboard motors from 2 to 250 hp. Outboard engine lower unit leaks often result from a broken propeller seal. In addition to freezing and cracking the lower unit housing, water in the lower unit. How to fix an evinrude outboard motor that keeps overheating by will charpentier whether you want to ensure your boats engine block is sound after a long, hard winter or youre purchasing a used boat engine, you should check for a cracked engine block. All rebuilt lower units include a full 1 year warranty.
Once completed, will put new seals and a new water pump in it. 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. Hey guys, i have a hairline crack about an inch long in my lower unit see pic. Swapping a lower unit would be easy and relatively cheap if you can find a working lu at reasonable cost. Depending on where the break is in the case will determine to what extent, and if the case. I recently had my brand new e tecs lower unit catastophically fail during a vacation in the keys. Get a dremel tool and create a slight v on the top side, right on the crack. I am talking finger sized holes blown out of the gearcase housing. I have a seloc manual that is either worthless or great depending on how lucky you get with the subject and model since seloc can not possibly cover all models for 20 years like they say on the cover. The lower unit or foot of your outboard motor is the bottom part that houses the prop and gear case. A milky or whitish color in the outboard engine lower unit gear oil indicates a water leak, which can lead to engine stalling or failure.
Next the mechanic pulled the waterpump off the lower unit to look at the upper seal. Is there any way to fix a crack on the lower unit of an. By far the most vulnerable component on an outboard motor is its lower unit. An outboard lower unit is necessary for piloting any marine craft. Shop mercury outboard replacement lower units at wholesale marine. Having these systems in good working condition is key to enjoying your time off land. Mercury, mariner, force, evinrude, johnson, chrysler.
Then you avoid the labor of having to overhaul all the moving parts from the old cracked case into the new. This rebuilt lower unit fits force 4050 hp for outboard engines years 19841994. Taking care of your lower unit is vital to making sure your outboard runs smooth and has a long life. Also if motor does not stream water in the morning i let mine run for a minute and then let it sit for about 5 and the heat under the cover is just enough to thaw the lines out. It is my buddys lower unit on a boat he just picked up. Is there any way to fix a crack on the lower unit of an outboard boat motor. Your lower unit will thank youskegshield gator guards. Remanufactured lower unit availability and pricing.
Early 80s chrysler force gearcase lower unit 75 85 90 100 105 115 hp. This is the second lower unit i have repaired in this. There are alignment pins on the new unit, to make sure it seats properly, so make sure they line up photo 4. I own a 25 horsepower 1979 chrysler outboard and noticed a crack about 1 12 inches long in the lower unit today and its leaking gear oil. Any ideas on repairing a crack in a lower unit page. Cant remember the name of it but it seems as strong as the casting itself. With our highquality outboard head repair services, there is no need to purchase a new outboard head, because the type of work we do is so thorough that the outboard heads we repair will look like it wasnt even broken or worn out in the first place. Nov 07, 2019 slip the apparatus onto the lower unit where the water is picked up and attach a garden hose. The result was a cracked lower unit case the water that was in the lower unit froze and broke the case. What smacking a boulder does to your lower unit gears lakelink. This is the portion of the engine that sits below the surface of the water giving any motorized boat or outboard its momentum. Repairing and repainting the lower unit of an outboard motor. A fast and economical way to get back in the water is to install a remanufactured outboard lower unit from jasper marine.
The lower unit has a crack as you can see in the pictures. Lower unit parts and products including complete lower units, empty housings, drive shafts, propeller shafts, gears, bearing carriers, upper and lower shift rods, impellers, water pumps, seals, bearings, propellers and hardware, and miscellaneous. This summer i was able to get a spot in the water and with that comes the usual build up of scum and water stains and was wondering what some of you use in a spray, scrub and wash format that does a good job. Signs of a blown head gasket on a outboard boat motor. What you will see being completed in this series of videos will be questionable to many. The skeg acts as a precise rudder, allowing the motor to turn your boat accurately and safely. Water can enter the gear case via cracks in the lower unit housing, through the fill or release ports, or around the propeller shaft seal, particularly. Buying a new outboard head is costly, so have it repaired by us instead. The water shows up when you crack the lower screw in the gear case. Welcome to the mariners warehouse, the worlds leader in marine parts distribution. Find outboard engine specs, special financing, accessories, and honda outboard motor dealers near you. That is why we provide the solution to the issue by protecting and guarding your motors lower unit with our skegshield skeg guard. Hello all, well time to put her away for another season.
The skeg of your outboard or stern drive motor serves two highly important functions. World wide dealer for used outboard parts, omc lower units, mercury lower units, yamaha lower units, ships world wide 860 4370060. I fish into the cold weather months, and we can use our outboards. Mar 28, 2011 if you leave your boat in the water at night keep the motor in the water so the lower unit will not freeze up.
Mar 17, 2017 if it runs with the coils repaired as you have described i would run the motor and see what else is broke. Any ideas on repairing a crack in a lower unit there is a marine epoxy that i have seen used to repair a grenade explosion inside the oil filled gearcase parts on lower units. Presently there are truly a number of sites to go shopping from on the world wide web, yet you have indeed selected our internet site and we value it greatly. However, we havent yet discussed the two most common causes of this usually fatal condition. We carry outboard lower unit replacements for yamaha, mercury, johnson, sei and evinrude marine motors, in addition to mercruiser sterndrives and sei sterndrives. Outboard motors and freezing temps general discussion forum. Lower units, gear cases, outdrives choose new or rebuilt. I had hit some boulders just beneath the surface in a boneheaded maneuver that cost me. Mar 21, 2009 i need to replace the lower unit prop shaft oil seals on my honda 50hp 1999 outboard. Call for application assistance if needed, and have your engine serial number ready when calling. How to check a boat motor to see if the block is cracked. Remanufactured lower units from jasper marine are built to precise tolerances, are generally in stock for immediate availability and can save you money over the cost of a new unit.
For best results, run the engine for a few minutes to lower the oils viscosity and. I removed the lower unit from the outboard and brought it to the local mechanic who, with some difficulty, went and changed the prop seal. I learned on yamaha outboard discussion forums that this is a common type of crack. Then a friend of ours told us about sei, a company in oldsmar, fla.
Jan 14, 2014 i cracked the two piece lower unit plastic cover on my 175 four stroke outboard last weekend duck hunting in icy answered by a verified marine mechanic we use cookies to give you the best possible experience on our website. I cracked the two piece lower unit plastic cover on my 175. The engine has just been rebuilt and purrs like a kitten, but there is some damage to the lower unit that i have been elected by unanimous vote to try and repair. Our mercury outboard replacement lower units are at the lowest prices and same day shipping. Sterndrive, outboard lower unit sterndrive engineering sei offers sterndrives for mercruisers alpha one and gen ii and lower units for mercury, yamaha, johnson and evinrude outboard motors. It is caused by salt water penetrating behind the bearing carrier, resulting in a reaction between the two kinds of metals and corrosion between bearing carrier and lower unit housing. Lower unit wrap if you store your outboard in the vertical position as shown, theres no reason to wrap the lower unit in plastic during the offseason. Winterizing boat engines and drives the boaters guide to.
Cracked lower unit outdoor gear forum indepth outdoors. Today, i picked up my boat from a lower unit rebuild. The result was a cracked lower unit case the water that was in the lower. This boat was in winter storage in a wisconsin garage and the oil was never checked for water prior to winter setting in. The engine has 120 hours and has run great except for this poorly timed failure.
Remanufactured gear cases are priced at deep discounts to save you money. Shop for a highquality remanufactured force lower unit gearcase here today. Id still like to know if anyone has a hydrofoil on a big motor thats the. Parts and accessories honda marine 4stroke outboard. As indicated by the examples already cited, the vast majority of outboard related claims in the boatus files involve outboards damaged by overheating.
All remanufactured lower units for sale include a full 1 year warranty. This is when the mechanic saw the cracked housing, under the waterpump. Mercury outboard replacement lower units wholesale marine. Also repaired a small crack at the same time by grinding the crack away to open a smaller hole that i filled. Lower unit oil seems ok no water intrusion but the cracks are nasty and seem to be growing. Some inboardoutboard io engines take in cooling water from a thruhull in the. Open the tap no more than about onequarter of maximum water pressure full water pressure from a city water system could damage the internal seals in your outboard motor.
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