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  1. #1

    1995 Kawasaki 900 ZXI Crankshaft ?

    I just picked up a 95' 900 ZXI and tore the motor down. The top half lost a piston and I pulled the bottom half apart to make sure nothing was laying in the bottom. I noticed on the crankshaft, the center bearings have interesting arrangement. There are two roller bearings on the outside and an aluminum piece in between. Is this aluminum piece a bearing as well? All of the other bearings are smooth except for these two aluminum pieces. The crankshaft rolled over PERFECTLY, like I said, I just tore apart to make sure debris wasn't laying in the case. I am not familiar with Kawi jetski so I was hoping someone could tell me if this is a bad bearing or something different? If it is bad, whats my best option?


  2. #2
    john zigler's Avatar
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    the center is a labyrth ( spelling) seal. It too should spin freely.

    If you had debris go through the engine, I would recommend a crank rebuild. You need to spray bearings with carb, and or brake clean to properly feel them.

  3. #3
    Ok. Well the labryth seal spins smoothly but there is some "slop" to it....Is that normal? When I split the cases everything looked great. Motor rolled over perfectly....Maybe I should take some pictures...


    Quote Originally Posted by john zigler View Post
    the center is a labyrth ( spelling) seal. It too should spin freely.

    If you had debris go through the engine, I would recommend a crank rebuild. You need to spray bearings with carb, and or brake clean to properly feel them.

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