Thread: Cavitation issues..Ultra 150
06-05-2007, 07:32 PM #1
Cavitation issues..Ultra 150
Here it is.. 2 days before the bug and I'm just gettiing my crap back running.
Upon takoff.. I have NO hookup. I mean.. If I give it more than 10% throttle it breaks loose. Now I can trim it down all the way and play with it.. and get it up to speed... but if i stop.. or even slow down to much, I'm screwed.
Most of the stuff I've read says I silicone'd past the eyeglass holes, but I didn't. Here's a pic of what I did (As I'm not pulling it off yet.. I did an exceptionally good job by my standards and I'd hate to ruin that. lol)
The red is what is suggested for sealing the Plate.. The green is where I finished filling a gap, but as far as I can tell.. shouldn't have hurt anything.
I've also just had the pump reworked and have read that the big o ring on the pump could have not sealed. I've read use .. nothing.. grease.. silicone.. blah.. blah .. blah. I used nothing. Seemed to have sealed tight, but I've been wrong before.
Any other ideas fella's?
06-05-2007, 08:12 PM #2
No kinks in the pump seal, the round rubber gasket?
Did you check the clearence of the prop and outside area?
To many shims in the pump?
06-05-2007, 08:25 PM #3
It's the one that was sent to skiworx.. Clearance looked good putting it on. The pump seal fit snugly and shouldn't have had anywhere it could kink.
06-05-2007, 09:43 PM #4
does it have shims?
06-05-2007, 10:05 PM #5
06-05-2007, 10:14 PM #6
06-05-2007, 11:41 PM #7
06-06-2007, 07:10 PM #8
Richard (way2fast) had the same problem on his ultra a couple years ago. He says his impellar was out of whack and was replaced by solas.
I guess I have no choice but to reseal everything and try it before I leave in the morning. If it still does it then I guess I'm not coming. Damnit.
06-07-2007, 10:50 AM #9
Brandon; Like I said in the IM I just sent you,. Bet you tried to re-use the eyeglass seal. Crappy rubber doesn't hold shape properly when used more than once.
06-09-2007, 05:37 PM #10
Yes, I did. I'll order a new one when I get everything else back together.
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