xs650owner Posted October 23, 2011 Share Posted October 23, 2011 I am asking this question on behalf of my son who has just recently purchased a "H" reg Yamaha DT 125, the previous owner of this bike had it standing for some months, my son only picked it up last Saturday, he discovered it was losing water, checked the water pump and found that it has ceased up! What would cause this and does it mean he would have to change the head gasket too? Many thanks. Link to comment Share on other sites More sharing options...
Moderator drewpy Posted October 23, 2011 Moderator Share Posted October 23, 2011 rust, 2 dissimalar metals, no additive in the water. I'd check al the galleries and get it flushed out, personally I'd strip the engine Link to comment Share on other sites More sharing options...
xs650owner Posted October 23, 2011 Author Share Posted October 23, 2011 Thank you Link to comment Share on other sites More sharing options...
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