Results 1 to 7 of 7
  1. #1
    DR2006RXP's Avatar
    Join Date
    Dec 2012
    Location
    Earth
    Posts
    3,292
    +1
    245

    Seadoo 300 cylinder compression

    just wondering what cylinder compression is from unit to unit or what would be normal low and high on the new 300 engine.

  2. #2
    twelve valves's Avatar
    Join Date
    Mar 2020
    Location
    france
    Posts
    42
    +1
    2
    Hello, I have a 2019 300px with 0hour, I will try to take the compressions this weekend.


  3. #3
    Cosmicbrut's Avatar
    Join Date
    May 2016
    Location
    NJ
    Posts
    103
    +1
    19
    On both my 300s 145-155 is the range they were new

  4. #4
    twelve valves's Avatar
    Join Date
    Mar 2020
    Location
    france
    Posts
    42
    +1
    2


    2019 300px 0hr.
    new battery and recharge,
    cold engine,
    no spark plugs,
    trottle open wide,
    9.5 bar 9.75 bar 9.5 bar.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	006.jpg 
Views:	208 
Size:	75.2 KB 
ID:	460412   Click image for larger version. 

Name:	005.jpg 
Views:	197 
Size:	69.8 KB 
ID:	460413   Click image for larger version. 

Name:	008.jpg 
Views:	207 
Size:	52.5 KB 
ID:	460414   Click image for larger version. 

Name:	009.jpg 
Views:	210 
Size:	59.0 KB 
ID:	460415  

  5. #5

    Join Date
    Jun 2019
    Location
    Northeastern Mass.
    Posts
    376
    +1
    34
    iirc to convert Bar to PSI = Bar X 14.7?

  6. #6
    twelve valves's Avatar
    Join Date
    Mar 2020
    Location
    france
    Posts
    42
    +1
    2
    1 bar = 14.503 psi
    9.5bar = 137.77psi
    9.75bar = 141.40psi

  7. #7

    Join Date
    Jun 2019
    Location
    Northeastern Mass.
    Posts
    376
    +1
    34
    Quote Originally Posted by twelve valves View Post
    1 bar = 14.503 psi
    9.5bar = 137.77psi
    9.75bar = 141.40psi
    Thank you!! I wasn't sure if 14.7 was correct.

Thread Information

Users Browsing this Thread

There are currently 1 users browsing this thread. (0 members and 1 guests)

Similar Threads

  1. WTB: Seadoo 657 cylinder and piston in usable condition
    By Piranha Performance in forum Sea Doo Classifieds
    Replies: 6
    Last Post: 01-13-2009, 02:13 PM
  2. cylinder compression test
    By skoepp in forum 4-Tec Performance
    Replies: 13
    Last Post: 11-26-2008, 07:48 PM
  3. Cylinder Compression
    By 74mjh in forum 4-Tec Performance
    Replies: 4
    Last Post: 08-27-2008, 08:54 PM
  4. cylinder compression off
    By DandSPro in forum 4-Tec Performance
    Replies: 9
    Last Post: 10-27-2006, 09:39 PM
  5. rxp cylinder compression
    By buddydoo in forum 4-Tec Performance
    Replies: 16
    Last Post: 05-31-2006, 05:22 PM

Posting Permissions

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