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  1. #1
    Click avatar for tech links/info, donation request K447's Avatar
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    Arrow Ficht fuel injected engines; fuel hose abrasion at injectors, possible fuel leak

    Polaris has a service bulletin for this problem (PWC-04-01 for the MSX 140), but the fix was only installed on one of the three Ficht machines I purchased (2002 Virage TXi, 2004 MSX 140).

    Since the fix is easy to do yourself, here is what to look for, and how to fix it.

    The injector fuel lines that run across the top of the engine, can press against the injector brackets. Not only does this deform the hose, but the vibration of the engine can wear through the hose, creating a potential for fuel leakage and fire.

    First, check the hoses at each injector for excess wear or damage. If the fuel lines look OK, then cut some plastic sleeving to fit over the lines, and fit it around the lines so the plastic protects the lines from the brackets (seam facing outwards).

    Polaris issued a Service Bulletin and repair kit (2202878 pictured below), but there isn't anything special (as far as I could tell) about the materials in the kit (sleeving sections, zip ties, and instructions). I installed the kit on one engine, and installed generic 1/2 inch sleeving on the other.

    I trimmed it to fit around the tee fittings, and installed one piece all the way from the Schrader valve to the last injector.

    Retain it with plastic zip ties, and check on it every so often to make sure the protection hasn't shifted out of place.

    Since this is a safety issue, I encourage every owner of a Ficht fuel injected Polaris to make sure they have this protection installed.


  2. #2
    Click avatar for tech links/info, donation request K447's Avatar
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    I just uploaded all the images with the original post, and they didn't show (they were all included in the Preview, but not the actual posting!)
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  3. #3
    Click avatar for tech links/info, donation request K447's Avatar
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    Protected fuel lines...
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  4. #4
    Bernie's Avatar
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    Keith,If you have that style of hose on your ski I suggest you change it to a higher quality efi hose .It is 1/4 " hose and the schrader valve that is used to test pressure is 5/16 ".I have had the hose burst where it is pushed over the 5/16 barb .This actually happened on the first day of a movie shoot for Billabong whilst the team were towing into a wave .Brand new ski .Noticed next model had better fuel lines on it .Was told by Polaris dealer that some disgruntled assy' employee must have cut it at the factory

    Bernie
    Last edited by Bernie; 07-20-2008 at 07:33 PM. Reason: spelling again

  5. #5
    Click avatar for tech links/info, donation request K447's Avatar
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    Quote Originally Posted by Bernie View Post
    ...If you have that style of hose on your ski I suggest you change it to a higher quality EFI hose.
    It is 1/4 " hose [6.4mm] and the Schrader valve that is used to test pressure is 5/16 "...
    Here is what the hose looks like where it connects to the Schrader valve tee on one of my engines (right edge of the photo, upper hose).

    So far the fuel hoses all look OK, but I suppose I will change the hoses at some point. I will give them a closer inspection at the tee connections.

    Say, should this thread be moved to the Tech/FAQ section?
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  6. #6
    Click avatar for tech links/info, donation request K447's Avatar
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    Arrow Polaris Service Bulletin PWC-04-01 (Ficht Fuel hose abrasion on injector brackets)

    Here is the Service Bulletin PWC-04-01

    I think this fix applies to ALL Ficht fuel injected Polaris engines, not just the MSX 140.

    Both my 2002 Virage TXi engines needed it, and I would think every other Ficht engine could have the same problem.

    Check yours. You don't need the official kit to fix the problem. Just inspect your hoses near the injector brackets, and replace any that are damaged. Then cut some protective plastic sleeving to fit, and fasten it in place.
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