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Deglazing cylinder

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Currently rebuilding my 01 Rm 250. What is going to be the best way to deglaze the cylinder, and get it perfectly clean?

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The best way is to send it to a company like Millennium Technologies and have them deglaze it.

or

A 320 grit aluminum oxide flex hone can work, but there is a risk of chipping the plating around the ports. http://www.flexhoneblog.com/2012/11/the-flex-hone-for-niaskil-engine.html

Some people believe that it is not necessary to deglaze a nikasil cylinder: 

 

Edited by ManBearPig.

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Good video,

this is exactly how I do it

light passes through the cylinder with a full scotch bright in a twisting motion to get some cross hatching back and then clean it 

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