How to change prop on mercury outboard

The outboard should be mounted high enough on the transom so that the exhaust. As part of performing this task take the time to make sure that your propeller and shaft are free of fishing line.

This is done on a 2013 250 hp Mercury Pro XS.

How to change prop on mercury outboard. Mercurymarine mercury howtoinstallaprop here is a how to install a boat prop for mercury mariner 40-300hp outboards and xr-4 and xr-6 i gained 650 more rp. How To Install Change Boat Motor Prop 20hp Mercury Outboard - YouTube. This is a how-to guide on replacing the propeller on a 99hp 15hp or 20hp Mercury FourStroke Outboards.

Slather the splines of the propeller shaft with white marine grease. Slide the forward thrust hub and the replaceable drive sleeve over the propeller shaft. Turn the propeller so that the octagonal hole in the middle of the propeller aligns with the octagonal replacement drive sleeve and press the propeller.

Take your socket and fit it onto the nut use your other hand to hold the 2X4 in place until the propeller makes contact creating a wedge. Once the block is in place you can then begin using the socket to remove the propeller moving counterclockwise. Removing Your Boat Propeller.

Once the nut has been removed youre ready to remove the propeller and other pieces. Simply slide the propeller. Remove the propeller using a prop wrench and a wooden block to keep the prop from spinning.

Lubricate the prop shaft and reinstall the thrust washer. Slide the new prophub assembly and the lock-nut retainer onto the prop shaft. Tighten the prop nut using your prop wrench and block.

The tools and steps to quickly and easily change a prop on an outboard engine on your boat. This is done on a 2013 250 hp Mercury Pro XS. If you see a small thin streak of milky-colored oil coming from the bottom of the lower unit of the motor you must replace the prop shaft seals.

Changing the seals on the prop shaft of Mercruiser engine is a project for winter or the off-season. Replacing the seals themselves is a straightforward job but before you can replace them you have to run an obstacle course through your motors lower unit. These are the tools I use to Remove my Mercury Outboard engine prop.

This will be a short list. I have posted a video at the bottom of page on how to find your prop size on your Mercury Outboard Engine. 12 Ratchet with Short Extension and 1 inch Socket.

The Ratchet and Socket will be used to remove and replace the Prop nut. Do not worry if you do not have a short extension just use a deep. This Mercury Quick Tip video will show you the location of the anodes on your Mercury outboard and demonstrate how to change them.

Remember anodes provide less and less protection as they dissolve so be sure to change yours when they are. We offer the most-complete line of outboard power for fishing boats and speed boats for pontoons and tenders for work and for play. Mercury Outboards Durable.

We build Mercury MerCruiser Sterndrive engines and drives to. Turn the propeller nut–the big nut on the end of the propeller shaft–counterclockwise with an adjustable wrench to remove it. Once the nut is removed the propeller-nut retaining washer will slide off and you can slide the propeller from the propeller shaft.

How to service and replace your water pump impeller on a mercury outboard. 75hp 90hp 115hp 125hpLarger Optimax outboards run the same water pump as do M. Removing an Outboard Propeller.

Bend back the tabs on the lock-washer securing the propeller nut or remove the cotter pin securing the propeller castle nut. Place a block of wood between the propellers blades and the ventilation plate to keep the prop from turning. Some Mercury propeller models are offered in one-inch pitch increments while others come in two-inch increments.

Changing propeller pitch is rather like changing gears up or down on a bicycle in low gear you can accelerate quickly from a standing start but soon your legs will be spinning and you wont go very fast. How To Change Outboard Prop Shaft Seals. Prop shaft seals are changed by pulling the bearing carrier pushing the old seals out.

Then pressing in the new seals reinstalling the carrier. You can also pull the seals out without pulling the carrier to change them. MercuryMarinerEFI 90115 HP Command Thrust Optimax and Verado Outboards 135-350 HP.

Use Flo-Torq IV hub kit 835257K10 to reduce clutch rattle on 90115 HP Command Thrust CT 135-200 HP 4-Cyl Verado and 150 FourStroke. Clutch rattle may be present when using 18P or lower stainless steel propellers. Replacing Mercury Tracker 25EL Prop Shaft Seals.

Remove the propeller and clean out the prop shaft housing with contactbrake cleaner. Remove the three 516th inch bolts securing the retaining plate and O-ring followed by the retaining plate and O-ring. Remove the propeller shaft then liberally coat it with grease from either your grease gun or from your tube of Mercury 2-4-C Marine Grease.

As part of performing this task take the time to make sure that your propeller and shaft are free of fishing line. Also inspect the cotter pin. If the cotter pin shows any sign of deterioration replace it.

Mounting height dimension for dual outboard installa-tion. Outboard mounting height height of outboard transom brackets from bottom of boat transom. For heights over 22 in.

560mm a propeller that is designed for surfac-ing operation is usually preferred. The outboard should be mounted high enough on the transom so that the exhaust. Outboard must be fastened to boat transom one of two ways.

Permanently fas-tened to transom with thumb screws and mounting bolts provided or 2. Secured to the transom using the optional outboard mounting kit shown below. Should the outboard strike an underwater object or be steered into a sharp turn failure to fas-.

Lookup propellers for 115 HP Mercury outboards by model year and buy from our large online inventory.