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  #11  
Old 05-29-2015, 12:25 PM
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X25John X25John is offline
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Boat: Mastercraft, X25 2012 5.7 ILmor (sold), X25 2013 6.2 Ilmor (sold), X20 2015 6.2 (sold), X46 2016 7.4 Ilmor
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I went through 2 sending units on my X25. Catch up with the Cincy MC guys next time they are down there.
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  #12  
Old 05-29-2015, 12:59 PM
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MattsCraft MattsCraft is offline
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Quote:
Originally Posted by onewheat View Post
I don't know if they are interchangeable or not?



Yep - I do have the original still. I have several warranty things I need to get sorted out but it is a pain for me to do during the season.

I guess I need to make a phone call or two... sigh.
There was actually 2 updates, the second is supposed to solve the issue. (Fingers Crossed) It is a pretty easy swap out, the sender sits to the left of the fuel pump. Access is from the rear floor port. If you do it yourself, remove the port hatch completely, this gives you a little more room.
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  #13  
Old 05-07-2018, 01:33 AM
jjct1 jjct1 is offline
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How hard is it to replace the fuel sending unit in the X25? Anyone have the instructions/steps? I have a 2013 X25.

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  #14  
Old 05-07-2018, 08:07 AM
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MattsCraft MattsCraft is offline
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It's not too hard - Just kind of a pain to get too, it sits next to the fuel pump. It will be under the rear access panel in the floor.

I will be on my boat - changing the tranny fluid this afternoon if you need a pic, let me know.
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  #15  
Old 05-07-2018, 10:54 AM
jjct1 jjct1 is offline
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Quote:
Originally Posted by MattsCraft View Post
It's not too hard - Just kind of a pain to get too, it sits next to the fuel pump. It will be under the rear access panel in the floor.

I will be on my boat - changing the tranny fluid this afternoon if you need a pic, let me know.
Yes a pic would be great

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  #16  
Old 05-07-2018, 01:01 PM
aguyupnorth aguyupnorth is offline
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two parts of this are difficult.

1. if you have a current floating sender you have to almost hook the current float to the collar of the sender or you won't get it out of the tank due to it catching on the lip of the tank. (i used a fishing line leader with a hook to keep at the collar as i pulled it through.

2. when replacing the new "floatless" sender, it only goes in to the tank on one orientation. I had to try a couple of times.

wear gloves because as everyone has said, its tight.
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  #17  
Old 05-08-2018, 08:43 AM
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MattsCraft MattsCraft is offline
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Here is a pic - The sender sits off to the side of the Fuel Pump - Top right in this picture.

5 bolts - 1- Plug

As stated above - The new style does not have a physical float(which was the issue) , now electronic sensor.
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  #18  
Old 05-09-2018, 12:40 AM
jjct1 jjct1 is offline
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Thanks!

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  #19  
Old 05-15-2018, 05:16 PM
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jrcarte78 jrcarte78 is offline
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Thumbs up More Parts??

I have an '11 X35 and my low fuel alarm started going off regularly towards the end of last summer. After reading this, I assumed it's the sender. I already called my dealer and they ordered part #150983 to replace. I picked the part up today and did a quick interwebs search of the part number as I didn't have the part number before. The first thing that comes up is a link to an MC parts site advising that I will need two other parts: #153261--"Gasketed Fuel Sender Screw" and #153256--"Fuel Sender Gasket". My dealer didn't mention these and I haven't seen them mentioned here. Do I need those to install the new sender? I'm assuming I don't want to re-use the old gasket so thinking I definitely need that. But, I don't see where the special screw fits in... Also, don't understand why the dealer wouldn't have told me about these additional things needed?....

Also, prob should've asked this first but... This thread references an X25. I have an X35. Do these boats use the same senders?

Any guidance would be appreciated.
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  #20  
Old 05-16-2018, 10:19 AM
Blubirds Blubirds is offline
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If you can locate the sending unit,check and see if the wires are connected. Also check behind the gauge, it can save you a trip to the dealer.
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