FOR ANYONE THAT READS THIS:
the surface can be perfectly clean and smooth while still having "staining" e.g. you will still see what looks like gasket material/gasket outlines.
THIS IS FINE, the pores of the metal have filled in with material, carbon, graphite, etc. this staining is fine and even good in some ways (if reassembling with same components you not have good casting/core shift idea's of all the parts ad what ports might need adjusting)
BUY a 100 pack of blades, dont buy cheapo's and you still wont blow over 14$ and a holder, clean large flat area's first, scraping and wiping on a towel. then move to the bolt hole area's as the blades get nicked by the burrs, change the blades like you just dont give a **** and youll be fine. to note the graphite headgaskets like to leave graphite in the poores but material still on the surface can blend in...look for the reflection of a light across the surfaces at a steep angle and youll see the dull area's where you missed the graphite...the area's youve cleaned and wiped with a rag (SPRAY THE RAG/TOWEL WITH THE BRAKE CLEANER) will look like glass
this allows you the finesse of removing debris, carefully, and AWAY from the intake ports/etc, while the valley just has rags in it to catch what you miss.
the front/rear cover gaskets and the neck gaskets suck ass but clean blades and a carefull angle will let you slice through em, dont just push, move at an angle to cutting edge.
quick tip, if you flip the blade each time you use it on those PITA paper gaskets (one slice/saw stroke), flip it over and the fine edge burrs will make the next pass perfect, then fip again.
do one without flipping and do it with flipping the blade...and tell me if im nuts
i aint
ll i am, but i aint
bill better coppy this **** somewhere