Subject: 1980 XS650SG
Parts: MikesXS; sump oil filter, sump gasket, main oil filter (the smaller one on side), gaskets for the main filter.
What I experienced:
As I've read here, the sump oil filter had a hole where a jet of flowing oil impinges the filter. I've seen a thread here where a crafty guy made a shield of thin copper. I'll do the same (using brass sheet) next service of this filter. That will happen sooner than later as I found a black plastic sliver that I suspect is from cam chain guide. For now I washed the sump filter plate, cleaned case & plate gasket surfaces. Fastening the 3, M6 screws for the filter told me it's easy to crush the filter. Not knowing if there is a target torque value for these screws I made them 40 lb-in, that didn't crush filter too much. Typical M6 torque of 80 lb-in, no way. Pretty soft bolted joint. MikesXS gasket fit ok, but had a bow where the long sides were skewed out. Had to try and tuck the edges in while snugging the 6, M6 screws. Target torque for these 6 screws was 80 lb-in. Five were fine, but one felt mushy, like case threads stripping (no signs of threaded hole damage when I took it apart). I read here that these screws might be torque limiting screws where the head will twist off instead of stripping case threaded holes. Will see what this looks like next sump plate removal.
The main filter had small black plastic particles (maybe chain guide?), and some steel bits. I probably should check the oil pump gerotor, etc. as there was no metal on the sump drain plug magnet. When assembling the filter into the cavity I found it easy to crush the filter. I assume no torque value for this fastener, just snug tight. The M6 shcs were made to 80 lb-in.
Point of this thread is comment from members regarding the filter fastener tightness. An opinion of MikesXS filters, gaskets good too.
Parts: MikesXS; sump oil filter, sump gasket, main oil filter (the smaller one on side), gaskets for the main filter.
What I experienced:
As I've read here, the sump oil filter had a hole where a jet of flowing oil impinges the filter. I've seen a thread here where a crafty guy made a shield of thin copper. I'll do the same (using brass sheet) next service of this filter. That will happen sooner than later as I found a black plastic sliver that I suspect is from cam chain guide. For now I washed the sump filter plate, cleaned case & plate gasket surfaces. Fastening the 3, M6 screws for the filter told me it's easy to crush the filter. Not knowing if there is a target torque value for these screws I made them 40 lb-in, that didn't crush filter too much. Typical M6 torque of 80 lb-in, no way. Pretty soft bolted joint. MikesXS gasket fit ok, but had a bow where the long sides were skewed out. Had to try and tuck the edges in while snugging the 6, M6 screws. Target torque for these 6 screws was 80 lb-in. Five were fine, but one felt mushy, like case threads stripping (no signs of threaded hole damage when I took it apart). I read here that these screws might be torque limiting screws where the head will twist off instead of stripping case threaded holes. Will see what this looks like next sump plate removal.
The main filter had small black plastic particles (maybe chain guide?), and some steel bits. I probably should check the oil pump gerotor, etc. as there was no metal on the sump drain plug magnet. When assembling the filter into the cavity I found it easy to crush the filter. I assume no torque value for this fastener, just snug tight. The M6 shcs were made to 80 lb-in.
Point of this thread is comment from members regarding the filter fastener tightness. An opinion of MikesXS filters, gaskets good too.