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Good morning I need some help as far as what and where are the plugs to pull on my 1989 mercruiser block to drain the water at the lowest point and what type of antifreeze to use to pour back down the block etc...I'm new to this boat stuff and don't want to crack my block..is there certain hoses...
good morning,
i have a 1989 invader (171 bowrider with 3.0 mercruiser(130hp)alpha one outdrive. My question is im wanting to change the lower unit oil i understand how to do it but my concern is do these year model boats come with a external reservoir on the block or off of it to fill up as...
