hi i have a xl1200 waverunner 1998 its running a bit flat so i checked the spark plugs that i just replaced yesterday the one in the middle is clean but the other to or brown

graeme, June 2008

well sometimes sparkplugs can go bad fast . but when you go to check the other spark plugs see if they are wet and smell them for gas if you do feel gas that means they are exploding wrong and gass is geting threw .. this can be a problem with your carb or your spark plugs are just crap ..

sam, June 2008