Ours sticks if the prop shaft isn't moved for a week or so. When we’re on the boat I do a daily engine check and just give the prop shaft a quick turn by hand which releases it if it has stuck. Realistically you only need to do this once per trip as it does need a good few days before it sticks again. It doesn't stick particularly hard and it would come free when you put the engine in gear but I've heard a salty old sea tale of one on a MOBO that wasn't moved for 12 months. The story goes that it was stuck so hard that when the engine was put in gear the bellows tore which of course let the sea in. If it is true the seal must have been stuck far harder than I’ve ever known mine to be and the rubber bellows must have been old and quite brittle. Still, it focuses your mind on freeing it up by hand with the engine check rather than just putting the boat in gear. Must say I'm 100% happy with the seal which we've had for 2 years. This 'sticking' issue really isn't a big deal.
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Re: PSS Seal Problems?
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