You should start bike and warm up before changing oil.Don't know how black new oil is but could just be from some residual oil that didn't drain if the bike is running good.10w40 is recommended.If this is a first and plugs are not fouling might want to start with a compression test.Make sure bike is standing up straight when checking oil have a friend sit on it to hold it straight while you look at the glass and know you put the right quanity in when changing.
202 views
Usually answered in minutes!
take the plug out and see if you can see oil deposits on the plug get back to me with results also it could be 1 cylinder check all 4
×