what rpm should the 1986 johnson 175 be turning
W wormybass3 Cadet Joined Jan 25, 2008 Messages 7 Jan 25, 2008 #1 what rpm should the 1986 johnson 175 be turning
tashasdaddy Honorary Moderator Emeritus Joined Nov 11, 2005 Messages 51,019 Jan 25, 2008 #2 Re: johnson 175 what year? atleast 5200 not over 6000.
D Dhadley Supreme Mariner Joined Feb 4, 2001 Messages 16,978 Jan 25, 2008 #3 Re: johnson 175 Depends on the hull and how it responds to prop rpm. It'll start to give up (reed flutter) at about 6200-6300. Boyesens will cure that, 6500 or so isn't a problem. On most recreational boats 5800 or so is fine.
Re: johnson 175 Depends on the hull and how it responds to prop rpm. It'll start to give up (reed flutter) at about 6200-6300. Boyesens will cure that, 6500 or so isn't a problem. On most recreational boats 5800 or so is fine.
W wormybass3 Cadet Joined Jan 25, 2008 Messages 7 Jan 25, 2008 #4 Re: johnson 175 so with the boyesen reeds turning 6000 rpm would be safe?
D Dhadley Supreme Mariner Joined Feb 4, 2001 Messages 16,978 Jan 25, 2008 #5 Re: johnson 175 Shouldn't be a problem.
