Super Jet 2000 Superjet taking on water FAST

[sethrrogers]

My RN superjet is taking on water really fast. 10 solid minutes of sitting in the water and the nose is well under water. I have 2 bilge pumps and the ski runs great. I just cant let it sit in the water without running.

The leak is in the engine bay under the ebox on that back wall. It appears to be a bad drive shaft seal. Where can I purchase just a OEM drive shaft seal?

I looked on http://www.shspowersports.com but I didn't see just the seal.

 

[chriselmore_1]

Check your cooling lines

 

[shaunsteezy]

if you have stock siphon bilge make sure the hose w/ the 90degree fitting is routed up above the water line and then back down to the siphon box otherwise water flows backwards through it

 

[AtomicPunk]

He is describing a leaking midshaft seal. You can get an OEM replacement housing/seal, or an aftermarket one from SBT. Double check with Jetmaniac to see what he has.

 

[iangdesign]

If it just the outer seal where it bolts to the bulkhead you can just use silicone on it as a temp fix. Jetmaniac gave me this bit of advice. I have a leaky midshaft as well not gonna replace till the winter. I have a stand or back the trailer into the water so my ski doesn't sit in the water between rides though.

 

[score602]

Probly the rubber between the bearing and acual housing cracked, 5200 seals em up pretty good, worked so well probly won't be replacing it any time soon

 

[BruceSki]

Probly the rubber between the bearing and acual housing cracked, 5200 seals em up pretty good, worked so well probly won't be replacing it any time soon

I don't recommend that at all. Replace the midshaft before you are sunk in the middle of a good ride. It's an easy fix to swap it out for a new one.

 

[score602]

I don't recommend that at all. Replace the midshaft before you are sunk in the middle of a good ride. It's an easy fix to swap it out for a new one.

It will get you threw the rest of the season, previous owner did it to my blaster, years ago....

 

[AtomicPunk]

It will get you threw the rest of the season, previous owner did it to my blaster, years ago....

Why not just swap it for new? You have to pull everything out anyways, do it once and be done. Aftermarket ones are under $100.

 

[score602]

Why not just swap it for new? You have to pull everything out anyways, do it once and be done. Aftermarket ones are under $100.

No you don't that's the whole point of using the sealer, you can do it right in the boat, just a temp fix gets you back in the water quick, might not work for every damaged midshaft housing...

 

[Trubski]

A leaky seal can also cause cavitation by sucking air into the pump.

 

[sethrrogers]

Thanks for all the help guys. I believe the leaking seal is my problem. Probably just go ahead and replace the seal for piece of mind. I'll let you know f that takes care of it.