Can someone tell me what the compression should be On a 89 Johnson 200hp Gt Motor?<br /><br />Thanks
E Extra 260 Seaman Apprentice Joined Dec 9, 2002 Messages 32 Jan 15, 2003 #1 Can someone tell me what the compression should be On a 89 Johnson 200hp Gt Motor?<br /><br />Thanks
F fd20b Cadet Joined Nov 15, 2002 Messages 15 Jan 15, 2003 #2 Re: 1989 Johnson 200 hp compression All cylinders should be 95-100lbs. Most important is that the are all within a few lbs. of each other.
Re: 1989 Johnson 200 hp compression All cylinders should be 95-100lbs. Most important is that the are all within a few lbs. of each other.
E Extra 260 Seaman Apprentice Joined Dec 9, 2002 Messages 32 Jan 15, 2003 #3 Re: 1989 Johnson 200 hp compression Thanks for the reply, the guy who owns the boat that I am looking at said that he had it checked and that they ranged from 126 to 130psi. That just seems high to me?
Re: 1989 Johnson 200 hp compression Thanks for the reply, the guy who owns the boat that I am looking at said that he had it checked and that they ranged from 126 to 130psi. That just seems high to me?
D Dhadley Supreme Mariner Joined Feb 4, 2001 Messages 16,978 Jan 15, 2003 #4 Re: 1989 Johnson 200 hp compression That could be about right. What heads are on it? The numbers are on the head near the spark plugs.<br /><br />Good luck!
Re: 1989 Johnson 200 hp compression That could be about right. What heads are on it? The numbers are on the head near the spark plugs.<br /><br />Good luck!
