I have a Stihl 041 Farm Boss that has developed a nasty oil leak, bar oil slowly leaks out even when the saw is just sitting around and really comes out if you run it. Without completely tearing the saw down I have not found the sources of the problem seems to be coming from the oiler and bar tensioner area. Any ideas on what may be causing the problem? If the saw needs to be completely torn down not sure it is worth fixing since it does not get used much. Thanks for any ideas you may have.