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Workshop => Engine and Bottom End => Topic started by: hickwheeler on January 04, 2016, 06:56:42 PM

Title: New piston or bore and piston?
Post by: hickwheeler on January 04, 2016, 06:56:42 PM

Just tore the top end a part. Looks like I should be able to just do a piston. But I thought I would see what you guys thought. Thanks(http://i1198.photobucket.com/albums/aa448/hickwheeler/IMG_20160104_154447816.jpg) (http://s1198.photobucket.com/user/hickwheeler/media/IMG_20160104_154447816.jpg.html)(http://i1198.photobucket.com/albums/aa448/hickwheeler/IMG_20160104_154422540.jpg) (http://s1198.photobucket.com/user/hickwheeler/media/IMG_20160104_154422540.jpg.html)

Title: New piston or bore and piston?
Post by: The norm on January 05, 2016, 12:00:43 AM

Gene I would hone it and then measure the bore and check the ring end gap. That should tell you what you need to do.

Title: New piston or bore and piston?
Post by: Victork on January 05, 2016, 12:12:53 AM

Going back to your other thread about the porting, is it ported? Looking from inside the cylinder it looks like some work was done

Title: New piston or bore and piston?
Post by: hickwheeler on January 05, 2016, 12:33:23 AM

Yes now looking at it off the bike it has had some port work done. I was wrong saying it was unported.

Title: New piston or bore and piston?
Post by: F-Red on January 05, 2016, 01:16:24 PM

Definitely measure the bore after honing. You do not want excessive ring gap or piston clearance. I learned the hard way on that one.

Title: New piston or bore and piston?
Post by: fearlessfred on January 06, 2016, 12:35:07 AM

The exhaust bridge looks like its been relieved to much and only the exhaust has been champhered

Title: New piston or bore and piston?
Post by: hickwheeler on January 06, 2016, 12:56:24 AM

Ya I noticed the lack of chamfering. I think I'm going to be taking it to Pete.