Removing lower unit mercury outboard

Always disconnect the battery cable before removing lower unit. Remove the trim tab bolt and the trim tab followed by the 15mm lower unit mounting bolt hidden beneath the trim tab.

I have removed the 4 nuts and the bolt going to the corrosion protection on rear.

Removing lower unit mercury outboard. This video will show you have to remove the lower unit and change the water pump impeller on a Mercury outboard motor. I did this on a 1984 20hp Mercury elec. Use the socket wrench extender and 916-inch socket to remove the hidden bolt holding the lower unit in place.

Pull the lower unit away from the rest of the motor twisting the lower unit if necessary to free the drive shaft and shifter. Use appropriate caution when removing the unit and wear safety shoes. Remove the trim tab bolt and the trim tab followed by the 15mm lower unit mounting bolt hidden beneath the trim tab.

Support the lower unit to prevent it from dropping and remove the four 16mm lower unit mounting bolts from around the top of the lower unit. Remove the lower unit from the outboard. Support the lower unit as you remove the fourth 19mm nut and washer so the lower unit can only drop a few inches.

Reach into the lower unit and release the speedometer tube at the front. Remove the lower unit from the outboard and youre done. In this video I will show you step by step how to How to remove the lower unit on a outboard engineWATCH this Subscribeits free.

I will tell you what y. Im trying to remove the lower unit of a 200 hp mercury optimax. I cannot seem to get the unit to come free.

I have removed the 4 nuts and the bolt going to the corrosion protection on rear. The unit is in forward gear but its like its painted on. LOWER UNIT REMOVAL DISASSEMBLY.

Always disconnect the battery cable before removing lower unit. Shift to NEUTRAL position. Remove bolt and trim tab 1.

Remove seven 7 bolts 2 and separate gearcase 3 from driveshaft housing. Remove clutch rod from clutch shaft if necessary. Place a drain pan under oil drain plug.

Trying to remove my lower unit on a 2000 Mercury ELPTO 125 SN XXXXX 132277. 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 14 inch but the front is still snug tight.

Merc recommends removing the lower unit on an annual basisto service the water pump but also to lube the splines on the driveshaft and the shift-shaft and the studs on the lower unit. You are going to have to use wedges between the lower unit and the driveshaft housing to try and pry the lower unit off. I need help re-installing lower unit.

When you shift into forward gear the prop is supposed to ratchet clockwise and lock up tight counter clockwise. When in neutral the prop should spin freely. When you shift to reverse the prop should be able to ratchet counter clockwise and lock up tight clockwise.

This video shows how to take apart the gearcase of an outboard motor and shows how it wor. Outboard motor - Wikipedia Nell Johnson Since then Mercury has grown out of its barn accommodations and into a leading manufacturer of outboards. Sealing the gear oil inside the gearcase and keeping water from intruding into the gearcase are the two aims of all the.

Removing Outboard lower unit. Careful not to break this 1 bolt - bolt remove order. Although shift it into forward before removingthat way when you put it back on you can turn the prop to align the splines.

If you got the 4 nuts on the sides and 1 in the back youre good. Try tapping a slot screwdriver into the gap as far towards the front as you can to create a fulcrum and hit up on the back with a dead blow. Hello i have a question about removing the lower end on my mercury 225 black max outboard.

I removed all 4 bolts on the lower end including a 5th on the zinc. Lower unit will not budge. The lower unit on Mercury outboards must be removed to change the water pumps impeller.

Replacing the lower unit is part of replacing your water pumps impeller exchanging a drive shaft of one length for another length or replacing the oil seals on drive or propeller shafts. Installing Outboard Non Thumb Screw Models 1. Attach tape engine mounting template located in this manual to boat transom.

Mark and drill four 1732 in. Install the outboard so that the anti-ventilation plate is in-line or within 1 in. 25 mm be-low the bottom of the boat.

0 - 1 in. 0 - 25mm a. Removed the lower unit on mercury 90 hp four stroke to change removed the lower unit on mercury 90 hp four stroke to change impeller and seals on water pump.

Motor was trimmed up as I brought the unit down and out and then began to leak a lot of oil. As noted the steps for removing the lower unit from a Mercury 40 2-Stroke outboard are the same or similar for most small-to-medium sized Mercury motors. However if you want to see the gearcase removed on a 4-stroke model watch the video above to see how to remove the lower unit on a 2003 Mercury Tracker 40HP 4-Stroke engine.

The lower unit LU on outboards house the water pump and gearbox as well as supporting the thrust bearing for the propeller. There are several seals that can go bad and necessitate LU removal. Water pump maintenance also requires removal and will typically be done at least once a season.

Most motors will mount a. SE206 21 20 DriveshaftReplacement for Mercury 2. Free delivery and returns on eBay Plus items for Plus members.

Force By Mercury Outboard Lower Unit 70hp 70 3cyl 1992 20 Shaft With Rock Guard. This is an Evinrud How to remove the.