I
ian cain
Guest
volvo penta 10 h.p. at max rpm
volvo penta 10 h.p. at max rpm cooling water turns black. at all other revs water is clean . why is this? and what causes the water to go black? thanks..
volvo penta 10 h.p. at max rpm cooling water turns black. at all other revs water is clean . why is this? and what causes the water to go black? thanks..