Hi Tom,

Maybe you have a jet skier caught up under your outboard?

--
Bill Kiene

Kiene's Fly Shop
Sacramento, CA
www.kiene.com

"tom clark" wrote in message
om...
When I trim my 90HP Merc up or down I hear an intermittent snapping,
grinding, crunching noise ( hard to describe). The trim pump fluid
level is fine.

Any ideas?
Thanks