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Old 11-07-2012, 06:58 PM   #1 (permalink)
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Nikasil cylinders

Hello all wanted to get some opinions I'm rebuilding my top end and ready to put in new pistons and rings. The motor has about 7300 km and the cylinders look great and also the pistons just a freshen up. Should I be touching the nikasil cylinders ? I was told numberous things so please inform me what is the correct answer ? Again there is no scoring on wait her or and the cross hatching is very visible really clean.


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Old 11-07-2012, 08:19 PM   #2 (permalink)
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Clean them up really well with a scotchbrite pad and wd-40. That will remove any of the micro-deposits of metal on the honing and they will be as good as new!
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Old 11-07-2012, 08:57 PM   #3 (permalink)
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I'm with smokingcrater. Nikisil is tough stuff. If the cylinders are within spec, and not scratched or gouged, they should be fine.
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Old 11-08-2012, 03:27 AM   #4 (permalink)
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Klaus from US Chrome told me face to face, just run a standard cyl hone with lotsa WD40 threw the cyl, up and downfor about 15 seconds! Then a piece of emery cloth to the port edges. Wash them down withg hot soapy water, rinse and blow dry! Spray again with WD40! Put a bit of 2 stroke oil on pistons and rings, and put it together!
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