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| Tolerance https://vintagedirtbikeforums.alp-sys.com/viewtopic.php?f=21&t=3599 |
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| Author: | Texas77 [ Mon Dec 19, 2011 5:31 pm ] |
| Post subject: | Tolerance |
what is the axial tolerance for the 1975 MT250 piston rod? I've got a little play in the rod but not sure of the tolerance and don't want to tear the whole thing down if not necessary! |
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| Author: | woosh [ Mon Dec 19, 2011 9:01 pm ] |
| Post subject: | Re: Tolerance |
Parts are nla so before you tear into it try looking for them first. I rebuilt my mt250 crank with parts from badbrush.com but dont know that they are around anymore. |
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| Author: | woosh [ Mon Dec 19, 2011 9:07 pm ] |
| Post subject: | Re: Tolerance |
.02-.04mm is normal and .06mm is the service limit. |
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| Author: | Texas77 [ Tue Dec 20, 2011 8:52 am ] |
| Post subject: | Re: Tolerance |
That's a 1/16th! Is that at the top of the rod? |
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| Author: | woosh [ Tue Dec 20, 2011 5:21 pm ] |
| Post subject: | Re: Tolerance |
As far as I know its at the top thats where I have always checked it. |
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| Author: | Texas77 [ Tue Dec 20, 2011 5:44 pm ] |
| Post subject: | Re: Tolerance |
I checked it and it's less than 1/16 of an inch. Like .048 thousandths. Should that be o.k.? |
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| Author: | Texas77 [ Tue Dec 20, 2011 5:45 pm ] |
| Post subject: | Re: Tolerance |
And no up and down slop. |
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