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Flex-Hone for Corsa?
Posted: Sat Nov 11, 2017 11:29 am
by Rancher1
I have two used Corsa cylinders that are in need of re-honing. I looked at Flex-Hone's website and there are a hundred customizable options. I believe the Corsa is 47mm, but they only have 45mm and 48mm sizes.
What size, abrasive, and grit should I get?
Re: Flex-Hone for Corsa?
Posted: Sat Nov 11, 2017 3:35 pm
by Rancher1
I'm going to try answer my own question.. Thinking the 1-7/8" (47.625mm), silicon carbide, 240 grit. Thinking the 240 might be a little on the coarse side, but I'm looking to lift out a few vertical lines I can feel with my finger. If it looks to coarse, I can always run another finer one next.
Re: Flex-Hone for Corsa?
Posted: Sat Nov 11, 2017 6:06 pm
by Meatball
Just get a new one, theyre cheap. Then you get new rings, gaskets, piston, sparkplug and even a small end bearing.
Re: Flex-Hone for Corsa?
Posted: Sat Nov 11, 2017 7:14 pm
by Rancher1
I bought one used kit from a member here, which I now wish I went with a new one. The other cylinder I got with a bike, also from a member here. I got a new piston kit on it's way. Chrome ring on top, black on bottom right?
Here's the hone I bought:
https://www.amazon.com/gp/product/B002XUL0JK
Re: Flex-Hone for Corsa?
Posted: Sat Nov 11, 2017 9:28 pm
by ped
Hi, did you check autozone? they may have one for rent?
Re: Flex-Hone for Corsa?
Posted: Wed Nov 15, 2017 5:43 pm
by Rancher1
Well I honed one of the cylinders and it looks pretty good. There's more 45 deg crosshatching now than even the factory. It almost has a cloudy appearance. Hard to see any left over vertical scratches and any glazed spots are completely gone. I used WD-40 as lubricant and was only in there for a few seconds. I might try the 320 grit next time as this 240 really went to town quick. If you got a badly grooved cylinder, I think the 240 is probably the right grit, otherwise 320 will get the job done.