Journeyman
"And this one is just right" ~ Goldilocks
I can't find the thread, but someone asked if it was really necessary to change the fuel filter after 10,000 miles
www.r3owners.net
and someone else asked if I'd cut it open. Well, OK, I did it this time at 20K. Here's what I found....
I assume the filter was either white or yellow when it was a virgin. With very, very, rare exception I run only "first tier" gasoline, with Shell Premium as my first choice. So, I'd say, do whatever you think it best...
10k mile service - DIY (also, Spark Plugs Not Tight & Wire Boots Not Pushed On!)
Sharing my experience here changing the air and fuel filter and inspecting the spark plugs. Refer to the manual for the basics, but here are things that may help, along with some very surprising discoveries I made... 1) Removing the tank There are three things to disconnect besides the bolt...

and someone else asked if I'd cut it open. Well, OK, I did it this time at 20K. Here's what I found....
I assume the filter was either white or yellow when it was a virgin. With very, very, rare exception I run only "first tier" gasoline, with Shell Premium as my first choice. So, I'd say, do whatever you think it best...