Results 1 to 3 of 3
  1. #1
    h2jim's Avatar
    Join Date
    Nov 2008
    Location
    Ontario Canada
    Posts
    2,063
    +1
    61

    Best venturi size

    I know the RXP seems to produce the best top speed with an 81mm venturi. Is this the same for the GPRXP? I have a 2000GPR with an 05 RXP motor. 8650 Riva ECU. I am running the Seadoo pump and 2 large pressure reliefs.


  2. #2
    h2jim's Avatar
    Join Date
    Nov 2008
    Location
    Ontario Canada
    Posts
    2,063
    +1
    61
    I can't believe no one has any information about this.

  3. #3
    Hydrotoys's Avatar
    Join Date
    Jul 2005
    Location
    Mesa, AZ
    Posts
    16,712
    +1
    85
    I can't believe you are too lazy to use the search engine and find out your own answers.

    79-81mm is just fine for the SD pump, and most folks are seeing good results with the 83mm nozzle on the Yami pump.

    Some folks are using the Yami nozzle on the SD pump, and are sticking with the 83mm size.

    Some are just happy as clams with 85 and 87mm nozzles.

Thread Information

Users Browsing this Thread

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

Similar Threads

  1. Increasing venturi size
    By h2jim in forum Yamaha PWC Performance (4-stroke)
    Replies: 2
    Last Post: 06-15-2016, 09:21 PM
  2. Best Mid-size Pick-up??
    By Rip'nTear SHO in forum Open Discussion
    Replies: 82
    Last Post: 03-23-2010, 06:47 AM
  3. stock venturi size on 06 RXP
    By h2jim in forum Sea Doo Open Discussion
    Replies: 11
    Last Post: 01-11-2010, 03:18 PM
  4. Replies: 9
    Last Post: 06-25-2008, 05:40 PM
  5. whts best dome size 2 use w/ fp wet pipe?
    By born riding in forum Kawasaki PWC Performance (2-stroke)
    Replies: 3
    Last Post: 01-23-2008, 11:30 AM

Posting Permissions

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