yeah that's normal. and if you don't know this already blow out around the plug before you take it out or there will be dirt that falls into the cylinder. th is the second worst spot I have seen to put a plug. my raptor is the worst.
When I die bury me upside down so the whole world can kiss my ass.
"My mind jumped off the high dive into the deep end of the gutter and took scuba gear with it" Me.