hello everyone! i have 2 questions i just picked up a 98 stx 750 cheap that pretty much needed a new jet pump housing ,impeller drive shaft fixed all that and installed it all after siliconing it all up and bolting it all back together i noticed that i did not put the little shim on the bolt for the impeller housing to the hull on the right side there is one on the back bolt tho will this cause a problem?

my second question is that i noticed a little water coming out of the rubber boot on theexhaustmanifold i removed the 2 hose clamps and noticed the inner boot (seal) has a rip should i replace of will it be fine? thank you for the help in advance