Results 1 to 9 of 9
  1. #1

    fuel lines, input and return lines, reversed, what symtoms

    What would the symtoms be for those lines reversed? Would it still run but have poor preformance?


  2. #2
    What kind of ski are we talking about? If you have lines hooked up wrong no its not going to work right.

  3. #3
    this is a 99 polaris slth red engine. I bought this ski used and am trying to undue all the poor work done to it.

    The machine is very sluggish. Poor overall performance.

    The ignition update has been done along with carbs rebuilt. new fuel lines, new check valves, no water in seperator, battery new, new oil filter.

  4. #4
    Click avatar for tech links/info, donation request K447's Avatar
    Join Date
    Jul 2007
    Location
    near Toronto, Canada
    Posts
    36,591
    +1
    1,275
    Incorrect fuel sender connections would usually result in no fuel to the fuel pump (or reversed Reserve and Main fuel selector positions on models with a Reserve selection). The sender does have tiny markings around the rim showing what each nipple is for.

    Check the ignition timing. It is possible the timing was retarded when the update stator was installed.

  5. #5
    Am I correct that the fuel pump on this model is part of the carb?
    And yes the timing is an issue, I had to move it to almost full advance.

  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
    Join Date
    Jul 2007
    Location
    near Toronto, Canada
    Posts
    36,591
    +1
    1,275
    Quote Originally Posted by 250super View Post
    Am I correct that the fuel pump on this model is part of the carb?
    And yes the timing is an issue, I had to move it to almost full advance.
    If my memory is correct (which is not a certainty ) all the red domestic engines with carburetors have the fuel pump integrated into the carburetor.

  7. #7
    I would look in to what cause you to have to advance it so far although that doesn't sound like the issue as its sluggish, to much time usually cause misfires and such so I think your ok. ( this is how cars work could be wrong here)

  8. #8
    Banned User
    Join Date
    Jun 2010
    Location
    Milwaukee WI
    Posts
    16,708
    +1
    1,324
    Quote Originally Posted by K447 View Post
    If my memory is correct (which is not a certainty ) all the red domestic engines with carburetors have the fuel pump integrated into the carburetor.

    Correct. All of the Keihin carbs have the pumps built onto the carbs. One pump on the two cylinder motors and 2 pumps on the 3 cylinders.

  9. #9
    Well I tried the switch the two fuel lines. That is not the problem k447 is correct it might start for a few seconds but it is not going to run.
    So I'm down to working on the timing and pop off pressure. Will keep updating.

Thread Information

Users Browsing this Thread

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

Similar Threads

  1. Replies: 2
    Last Post: 08-19-2012, 11:15 PM
  2. 97 SPX and 97 XP - need to replace grey fuel lines, what size are they?
    By The Angry Snail in forum 2-Stroke Performance
    Replies: 0
    Last Post: 08-24-2010, 09:38 AM
  3. 1100 STX DI Injectors leaking from fuel line clips.. What is the best option?
    By RUNWME in forum Kawasaki PWC Performance (2-stroke)
    Replies: 0
    Last Post: 07-01-2010, 07:58 AM
  4. Fuel Line Restrictor, what next?
    By delagem in forum Polaris Open Discussion
    Replies: 8
    Last Post: 07-17-2007, 11:48 AM
  5. Fuel lines-what size and mfgr?
    By cfgp927 in forum Yamaha PWC Performance (2-stroke)
    Replies: 13
    Last Post: 01-22-2006, 04:04 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
  •