Brush Research FLEX-HONE Cylinder Hone, BC Series, Silicon Carbide Abrasive, 3 (76 mm) Diameter, 240 Grit Size
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Mr. Fix-it Customer
> 3 dayWorked great for what I needed, it is important to know how to use this tool before you try to use it. And it’s suggest using 10W-30, I saw some use transmission fluid, I actually used vegetable oil with great results.
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michael h.
Greater than one weekThere was nothing to dislike safe and easy to use takes guesswork out of cylinder honing
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natedogg
> 3 dayWas easy to use
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Mike
> 3 dayPurchased 76mm for honing an old ATV cylinder. Some WD40 and several passes later the bore is cleaned up and has a nice surface for the new piston rings to seal in. Cleanup is easy with carb or brake cleaner. Make sure to get the right size hone for your bore!
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Leonard P.
> 3 dayI was putting in new rings, but had a glaze on the cylinder bore. this quickly removed the glaze and will allow the new rings to seat properly.
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old hot rodder
Greater than one weekjust what I needed
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michael h.
> 3 dayThere was nothing to dislike safe and easy to use takes guesswork out of cylinder honing
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Tom
08-06-2025I have personally relied on products from this company for a very long time in a professional setting. As far as ball Hones go Flex-Hone is the best and has been. The quality is top notch and the number of sizes they make are unequalled by any other company
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MD
> 3 dayUsed this for my Predator 212cc go kart build, where I was swapping to a flat top piston for additional compression. While the cylinder didn’t look bad to begin with, this hone made it look great. I coated the hone in oil and utilized it for around 30 seconds per the instructions. Can’t wait to use its again on the next build!
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RICHARD OBRIEN
> 3 dayWow, I didnt know how great a tool this was! Perfect honing and amazing product engineering.
