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Congratulation Steve. Glad to see sharp tuner in this self proclaimed expert two stroke rapist group. I remove seals from inside of front and rear bearings, in addition I counter bore front seal pocket deeper and install extra aluminum front seal, this mod offers added protection for rubber seal from high water pressure entering inside the pump. I also re machine impeller O.D. and impeller housing to exact same angle, and re machine all mating surfaces. George Ski HPT Sport USA www.hpt-sport.com 270-898-2617 "Steve Tec" <[EMAIL PROTECTED]> wrote in message news:[EMAIL PROTECTED] > Scott, > I have been removing the seals from the cone side bearing in all magnum pumps and > putting oil in since 96 I have yet to have any bearing Failures. > Steve > > Scottspjs wrote: > > > George,i think we can agree that skat -trak builds the best aftermarket pumps > > available.If there was big hp and speed gains to be had from using a system > > like yours dont you think they would have adopted a wet system by now? my ski > > puts out 225+ hp with the triple pipe motor installed and has not had a bearing > > failure since i have owned it.How many times have i repacked the "sealed" > > bearings? not once.Most kawasaki pump related problems i have seen are salt > > water damage.mostly the wear ring being pushed into the impeller by a buildup > > of salt deposits between the ss wear ring and the pump housing.It has a name > > but i dont remember it.Giz would know.Maybe you do.It is caused by two > > different metals not getting along.I have seen much better reliability from the > > kawasaki pumps than the sea-doo plastic ones.The o-rings on the sea-doo pump > > cones fail often letting water in and taking out everything.I have also seen > > them crack across the stator section for no reason.It is just not feasable to > > pull the pumps out of each ski just to check the bearings.It would double the > > cost of winterizing a kawasaki or yamaha.I do change the pump oil in the > > sea-doo's as part of the service and install a new o-ring. >
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