Grizzly Engine & Transmission NGK spark plug size October 18, 2015 dstech 2009 grizzly 700 I am wondering the NGK spark plug # I know it is not the same plug as the 2007 and 2008 grizzly….also what size socket will fit it as I lost the spark plug wrench that came with the bike Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related