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Polaris Nikasil Coating

384 Views 12 Replies 4 Participants Last post by  Buster Jones, 
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Hey, I have a 2013 RZR 900 with a +3mm Big Bore from Rev6. After less than 100 miles the engine started smoking. When I got it apart, I found that the nikasil coating had a large chunk taken out of it. I am curious what could have caused this. Is this a problem with the part or with assembly? I am also curious where I can get a new cylinder of this size. I can not find any of them from the higher end companies. The only ones I can find are from cheap Chinese companies. Are the cheap ones any good?

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We ordered a cylinder that was supposed to be bored and replated. I am thinking that the company may have done the process wrong causing it to chip.
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Do you have any experience with Rev 6 and their parts? That is who we ordered the cylinder from.
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No, I went with the Rev 6 one because it was cheaper. Maybe I should have tried nFLOW.
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I will have to look into them next time.
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We ordered a new one that is a new cast. Hopefully it holds up. I'm hoping the rest of the Rev 6 parts we installed hold up as well. I don't want to have to rebuild the whole engine again. I'll be sure to go with someone else next time.
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