serpentine belt

I've removed the lock nut and thought the pulley should slide off. Not. Does the center stud(the one you turn to tighten and loosen the belt) need to be removed to take the pulley off?

Unused Genuine OEM Mercruiser Serpentine Belt $75 REDUCED to $60 See details at https://www.mercruiserparts.com/861757q-belt https://www.boats.net/product/mercury/861757 Bought as spare for previous boat - never used, sold boat. Always good to have a spare on board if belt breaks - found...

I just bought a 2006 320. Today we were moving it from the broker to our marina. Right after we were underway, I lost water pressure in the port engine. I shut it down and we continued on the starboard. When we tied up, I opened the hatch and immediately saw the serpentine belt had broken. The...

I have a 1987 260hp 350cu in my 87' 250 Sundancer. Just bought it this past winter. I have had a problem with the alternator belt squealing. I have to tighten the belt almost every time out. I am curious if anyone has changed the pulleys and installed a serpentine belt system. I hope to hear...