i checked replaced the sprocket,, the labelled side is out,, it was very messy job,, chain was so filthy that i couldnt get the guts to just reinstall it,, the gunk there was virtually like laping compound used in grinding valves,, so removed the chaoin and both sprockets,, cleaned the rear sprockret with petrol ,, has done me 10 k + km iyts jt 41 tooth sprocket,,
i also cleaned the chain b first trying petrol then boiling in sopa water to losen the gunk inside the rollers did this twice ,, second time water was very clean,, then heated it oon fire to soak all water vapours,,, then when i was sure water is totaly removed from it then washed with petrol and then put in some 30 ml clean engne oil,,, let it rest there for a hour,, then installed that,,
now the chain covers are not instaled ,, they r extremely dirty,, will clean them then install them then check how the sprocket change performs,, and obviously update the thread,,
ha haa,, tired