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79 cr 250 jug (cyl)
https://vintagedirtbikeforums.alp-sys.com/viewtopic.php?f=21&t=1837
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Author:  digitalbrad [ Sun Apr 20, 2008 9:57 pm ]
Post subject:  79 cr 250 jug (cyl)

since i'm sure there are some of you that have seen a brand new or newly rebuilt jug for your 79 cr 250, and i know they are chrome bored or nikasil or something like that IE. not a normal steal boreable jug so my question is, Do the new jugs look just like a normal one in the way of it being cross hatched and such. I was told mine has a fresh top end and it was done in a shop and was just unsure of what it would be looking like with the special cyl.

Author:  redrocket190 [ Sat May 17, 2008 8:39 pm ]
Post subject:  Re: 79 cr 250 jug (cyl)

It should be obvious whether it is a cylinder with the original chrome, or whether a sleeve has been inserted. In the latter case you will see the join at the edge of the ports. If you are in any doubt take the cylinder to a shop and have it measured and matched to a piston and the cylinder honed as necessary.

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