How to change a prop on a mercury outboard

If not adjust the barrel away from the cable end. 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 onto the sleeve.

Place a block of wood between the propellers blades and the ventilation plate to keep the prop from turning.

How to change a prop on a mercury outboard. 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 onto the sleeve. 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. 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. 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.

Remove the prop from the engine by bending the retaining tabs that hold the prop nut. Then use a wrench to remove the propeller from the shaft pulling straight out. Use a hammer and punch to remove the carrier nut.

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. Step 1 - Boat Type.

This Prop Selector will help you calculate the right prop for your boat type and how you use it. Our test data is based on these general boat types. Please choose the type of boat below that corresponds most closely with your boat type.

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. 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 50 percent consumed. 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. Jarrett Edwards Jarrett Edwards Outdoors gives tips to changing a propeller. He demonstrates by showing the tools that you need to change a propeller quickly and easily on his Mercury 250hp Pro XS.

See how Jarrett does it right here. How to Replace the Propeller on a Mercury Outboard By Will Charpentier Whether youre replacing a propeller on your Mercury or removing it to take it to the prop shop for a tune up removing the propeller on a Mercury Marine outboard is unlike propeller removal on other outboards. Be locked in gear.

If not adjust the barrel away from the cable end. Repeat steps a thru c. Shift remote control back to neutral.

The propeller shaft should turn freely without drag. If not adjust the barrel closer to the cable end. Repeat steps a thru d.

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.

Mercury outboard motors are very popular among boating enthusiasts. Mercury offers a full line of motors with varying degrees of power output. Mercury engines are already quite efficient and it can be difficult to increase the power significantly.

However there are a number of ways to pull out incremental power from the motor. 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. Lookup propellers for 115 HP Mercury outboards by model year and buy from our large online inventory.

Removing Mercury 40 HP 2-Stroke Prop Shaft Oil Seals. Position a drain pan under the gearcase then remove the lower unit oil drain screw and let the oil drain out. Remove the 24mm prop shaft nut and tab washer.