Yamaha Owners Club: Severe corrosion inside crankcase - worth rebuilding? - Yamaha Owners Club

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Severe corrosion inside crankcase - worth rebuilding?

#1 User is offline   middleway 

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Posted 21 November 2009 - 07:08 AM

Hi
Doing up a dt175, The engine I had planned on using looks like it has been full of water for 20 years. Lots of surface rust, havn't split the case yet but it looks pretty nasty, the crank won't rotate.
Are engines in this kind of condition worth bothering with? Would it be better to get another worn out engine and use that? I guess what I am asking is does the corrosion present as a big issue or would any machining I need to get likely resolve the rust issue at the same time?
Spending too much money...
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#2 User is offline   oldgitonabike 

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Posted 21 November 2009 - 10:15 AM

More than likely scrap, you would need to split the cases to investigate it properly but i doubt you will be able to undo the screws so more than likely you would have to drill the heads off them. :(
The two worst winters ever saw were back in the 70's, One was called Mike and the other Bernie...!
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