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i was changing the oil and tightened the drain plug to tight and busted the bottom of the motor any advise would be helpful

Pictures would help , but I am guessing if the case actually "broke" , instead of the threads stripping , most likely you will need to replace the case ... whether you get a new case from Honda or a used one on EBay , should not matter , just get what the budget allows ... if you do not have the mechanical ability to tear the engine completely down to replace the case , then the only options are paying some shop to do it (not going to be cheap) or go the EBay route and find a used engine and either swap it complete , or use your top end and just swap the bottom half ... that part is up to you and your budget and your mechanical ability ..

But again pictures would help , it may be something that can easily be repaired , or it may be toast ... no way for us to know without seeing the actual damage ...

thanks jim its actually busted lol but i just got some jb weld and patched it it runs the same as it ever did but thanks buddy