I have a top cylinder fuel injector leak I see a oring where it´s leaking how is it fastened to the engine is it just a push down and clicks into place or is it obviously cracked never has contact with anything never been roughhoused can´t figure out how it just started leakin I think my extended warranty covers it but not sure almost poss it does though any input would be greatly appreciated in advance 2010 multistrada 1200