User Tag List

Thanks Thanks:  0
Likes Likes:  0
Results 1 to 4 of 4
  1. #1
    Join Date
    May 2013
    Location
    Lebanon,ky
    Posts
    46
    Thanks (Given)
    0
    Thanks (Received)
    0
    Likes (Given)
    0
    Likes (Received)
    0
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)

    99 Johnson 225 HO Compression

    What should the compression be on a 99 Johnson 225 HO? What psi would your consider low also on this motor? Did the compression between a standard 225 and 225 ho differ? Thanks alot for your help.

  2. #2
    Join Date
    May 2013
    Location
    Lebanon,ky
    Posts
    46
    Thanks (Given)
    0
    Thanks (Received)
    0
    Likes (Given)
    0
    Likes (Received)
    0
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    All these OMC experts in here and no one can help me out with this.

  3. #3
    Join Date
    Mar 2009
    Location
    Port Saint Lucie
    Posts
    2,523
    Thanks (Given)
    3
    Thanks (Received)
    31
    Likes (Given)
    6
    Likes (Received)
    250
    Mentioned
    0 Post(s)
    Tagged
    1 Thread(s)
    I had a 99 200 which is the same block, i think mine were all at about 90-100 psi and with the 2.7 heads on it i gor 20 extra psi. Hope this helps

  4. #4
    Join Date
    Dec 2003
    Location
    rockford ill.
    Posts
    2,361
    Thanks (Given)
    0
    Thanks (Received)
    2
    Likes (Given)
    0
    Likes (Received)
    15
    Mentioned
    0 Post(s)
    Tagged
    0 Thread(s)
    compression upgrade requires jet-change,3 up 3 down,one a the last yrs. 4 carbureted.

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
Aeromarine Research