Idk if this is the correct area to post, but I'm doing my 16k mile maintenance and pulled my plugs. The tips are white and there is oil on the plug with a little brown ring in another spot (I have included pictures). I read online that the white tip can indicate oil combustion (along with it running lean) which would make sense seeing as there is oil as shown in the pictures. Any suggestions on what I should do? As far as I could tell the bike was running normal (I only rode it about 15-20 miles in the past 10 months b.c. I was living somewhere else).