Thread: Bad News about SHO pumps.....:(
11-10-2009, 10:22 PM #1
Bad News about SHO pumps.....:(
Well guys...had Riva throwing some go fast parts on my boat and got some bad news. Apparently....the bearings in my pump went bad....for the third time.... this set only had 30 hours on them!!
I initially thought it was an issue with my ski because of my riding style and the water conditions i ride in...but apparently it has been popping up on SHO's in other places as well. Yamaha apparently knows about the problem and have a redesigned, hardened pump washer that doesnt suffer from deformation when torquing. A new prop with a redesigned hub is also needed......and the torque spec on the prop changes from 151 lbs. to 243lbs!!!........quite a difference.
fFor every1 with aftermarket props...not sure what this means......maybe we have to see if our aftermarket props can tolerate this amount of torquing. While Riva is in there.....im gonna ask them to check for alignment issues as that could be a possible gremlin...but this seems to be an emerging issue with the '08 skis
11-10-2009, 10:38 PM #2
11-10-2009, 10:41 PM #3
Is this for 08 AND 09's?- "seems to be an emerging issue with the '08 skis".
SHO AND FZR?
Yamaha has a "redesigned, hardened pump washer" and a "redesigned hub"..... And is this something that Yamaha has available now, is working on or going to have them on the 2010's.
11-10-2009, 10:52 PM #4
11-10-2009, 11:13 PM #5
- Join Date
- Jun 2009
Can you explain in more detail what happened for us newbies. I have been riding my sho for six months now with mods and had a crack which caused flooding. My mechanic has fixed the crack and reinforced the tunnel. I am trying to get a better understanding of what he did and why.
Thanks in advance
11-11-2009, 03:51 PM #6
Hold the phone,
Is this just SHO pumps or FZ pumps too? They're the same so I'm assuming both, right?
I had my pump bearings replaced under warranty at around 60 hours but there was water in my nose cone which I'm pretty sure was the culprit. What happened to me was there was just a buzzing sound coming from the pump. The ski still ran fine, but when idling it was very noisy and when I removed the pump and started the engine the sound was gone.
What exactly failed on yours rip?
11-11-2009, 03:52 PM #7
11-11-2009, 04:12 PM #8
11-11-2009, 04:19 PM #9
11-11-2009, 04:45 PM #10
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