I have a 45 HP Yamaha probably late 80's or early 90's model- the tilt and trim doesn't work. Last year I replaced the fluid and it took care of the problem. When I opened the screw to add more fluid this year (with the motor tilted up) all the fluid bubbled out of the opening! Along with lots of air. Is there a different spot to refill the fluid? When I try and squeeze the fluid into this small hole, it just runs back out - also, the fluid that came out was pink - the new fluid I bought is clear.