Water pump problem

robert_collin · Sep 17, 2009

"Hi i have an oldish 20hp merc

"Hi i have an oldish 20hp merc,it pumps water at low revs but will not at high revs,any ideas anyone?"

beckerjs · Sep 17, 2009

"the pump should be changed ev

"the pump should be changed every 2 years, when was the last time"

robert_collin · Sep 17, 2009

"I dont know,I have only had i

"I dont know,I have only had it a few weeks."