Reverse vibration!?

[Karsken]

I`v got 6-7 ours on my PS 190 from `87 this spring, but i`ve noticed that when i back it up the boat vibrates alot. I have looked at the propellar and its not that. So i wonder if i should replase the water lubircated shaft bearing? I may think thats the problem, but do any of you guys know what dimentions it has?? Like: lenght, outer dia. ...?
It`s the 1" aksel
Thanks for any help, and sorry im Norwegian and did not ace my english class :rolleyes:

[rem_pss308]

They are the strut bearings, and if you talk to Vince at SKIDIM.COM he can get the size you need.
I just replaced mine. I had some slop in the shaft. the noise in reverse is a lot quieter now.

[east tx skier]

Welcome, Karsken. www.skidim.com. If the prop's okay, just work your way up the drive train.