Would you recommend removing the grease seal on the conventional retrofit bearing in your kit prior to installation? The folks at LN Engineering suggest this would prolong the life of the bearing http://imsretrofit.com/lubrication/. Thanks.

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[Wayne 962]

I'm not a fan of this. I think that debris can possibly get into the bearing and cause it to fail. I've seen engines where this indeed may have happened. Since I recommend replacing the bearing every 30,000 miles or so regardless, I don't think removing the seal is necessary, and the potential downside risks are greater than the benefits. That said, Charles at LN Engineering advocates the removal of the seal to encourage more lubrication of the bearing itself. The bottomline is that frequent oil changes are your best friend in prolonging bearing - removing the seal may assist or not - it's really difficult to say one way or another.

- Wayne