How to fix a spun prop hub

This is why its important to carry a spare propeller and if your prop has a Flo-Torq hub a spare hub assembly plus the tools and fasteners required to replace the prop. How To Replace A Spun Hub On A Boat Prop - YouTube.

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How To Replace A Spun Hub On A Boat Prop - YouTube.

How to fix a spun prop hub. How to Fix a Spun Propeller. Inspect the propeller first to determine if the hub has spun inside the propeller. Pull the cone off the front of the propeller using the pliers.

Loosen and remove the lock nut from the propeller shaft by turning it counter-clockwise with a ratchet extension and a socket. Pull the propeller straight off the shaft. Inspect the propeller first to determine if the hub has spun inside the propeller.

Mark the front of the propeller and the propeller hub directly across from each other with a permanent marker. Run the propeller for about two minutes and then shut it off. Inspect the two marks to see if they are still lined up across from each other.

How To Replace A Spun Hub On A Boat Prop - YouTube. How Can You Tell The Propeller Hub Is Spun. So how do you know definitively that the propeller hub is spun.

Begin by removing the propeller and examining it. Look closely at the rubber hub for telltale clues anything from subtle to dramatic signs of failure. The hub might be twisted or even look melted.

Another method is to use a ball pein hammer and a center punch. Pein a dot on the metal splined hub and adjacent on the mating surface of the propeller. How to Fix a Spun Propeller Inspect the propeller first to determine if the hub has spun inside the propeller.

Pull the cone off the front of the propeller using the pliers. Loosen and remove the lock nut from the propeller shaft by turning it counter-clockwise with a ratchet extension and a socket. Pull the propeller straight off the shaft.

If the prop blades are not too badly damaged you could get underway after replacing the Flo-Torq hub components in the field. This is why its important to carry a spare propeller and if your prop has a Flo-Torq hub a spare hub assembly plus the tools and fasteners required to replace the prop. There are instances when the prop hub can become spun without impact.

If not then the hub is spun inside the propeller. Now take a permanent marker and draw a line on the inside end over the inner and outer side. After that securely set the prop back again and run the propeller for 2 to 3 minutes at high RPM.

Then turn off the motor and look at the drawn line. If you see the line is not matching you will need to replace the hub. After looking at a few forum posts we then checked to see if we had a spun hub.

Pulled the prop off and the rubber piece inside the prop looked like it had some burned up rubber on it. We put the prop back on pulled the lanyard and put it in gear without any power and tried to spin the prop. The shaft and nut turned with the prop.

Inspect the propeller first to determine if the hub has spun inside the propeller. Pull the cone off the front of the propeller using the pliers. Loosen and remove the lock nut from the propeller shaft by turning it counter-clockwise with a ratchet extension and a socket.

If playback doesnt begin shortly try restarting your device. Videos you watch may be added to the TVs watch history and influence TV recommendations. Not sure on the etec specifically but it could possibly be a symptom of running too lean bad timing a restriction in the exhaust not enough cooling water etc.

From the description john23 says it may just be too much exhaust for the hub exhaust port size and causing a restriction and heat buildup. The hub is a piece of plastic designed to break if you hit something with your propits a safety feature so that none of the more expensive parts break. The good news is that its much easier to fix than you might think and in this video weve got Capt.

To tell if your hub has spun mark a line on the back of the prop hub with lipstick. You can also score your mark using a file. With the mark in place over the inner and outer hub its a simple matter to pull the prop and see if the mark has broken in two.

If it has you have spun a hub. If playback doesnt begin shortly try restarting your device. Videos you watch may be added to the TVs watch history and influence TV recommendations.

Sometimes the hub will slip inside of the propeller at higher rpms. The quickest way to check a bad hub is to try another propeller to see if it slips at the same rpms or you can try putting a dab of paint on the hub and a dab on the prop and try it to see if the 2 marks still lineup after a trial run. If the hub has spun you will have to take it to a prop shop for a hub replacement.

Is there any way to tell if prop spun on hub Id do it this way. Put the prop back on the propshaft shift it into forward gear have somebody jam the flywheel with a screwdriver or something and try to turn the prop backwards by hand. If it moves backward the hub is broken.

I just made that method up but it should work. If you are not sure if your hub is spun there is an easy way to test. Take a center punch and a hammer and put a punch mark on the hub and on the prop so they line up.

Then you can take the boat out and run it as you usually would. When you look at the prop if the punches do not line up anymore your hub is spun. Steps in Replacing Rubber Hubs.

First determine if the hub needs to be replaced. Check for burnt or frayed rubber. If the hub has a cast flange and the rubber is not visible you will notice bright or worn areas on the hub or the hub bore.

If you are not sure a hub has spun - center punch the hub and the hub. You can detect a spun hub just by looking for circular scratches on the portion of the hub that bears against the thrust washer. The splines on the shaft keep the thrust washer from slipping so if the propeller has a spun hub it will become scratched as it rotates in relation to the thrust washer.