2003 rm 250 case question

mx466
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mx466
Edited Date/Time 3/20/2019 4:45am
In the process of rebuilding my 2003 rm 250 and discovered a little damage from when the piston exploded and sent shrapnel in between the crank and the case. There looks to be a slight crack and a bit of bulging on the case but I’m not sure and would like a second opion on whether to run it or find another one. Parts for these rm’s seem pretty hard to find these days.




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dirtmike86
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dirtmike86 3/19/2019 4:24pm
3/19/2019 4:24pm
I'd just have a welder fill in the crack then grind off the high spots.
sandman768
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sandman768 3/19/2019 5:52pm
3/19/2019 5:52pm
Yes, that can be welded then ground down & finished sanded like it was never there...the key is to use a welder experienced with motorcycle cases...proper cleaning of the case is critical for quality weld.
mx466
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Block Island, RI US
mx466 3/20/2019 4:44am
3/20/2019 4:44am
Awesome, thanks guys that’s exactly what I was hoping to hear.

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