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Author Corroded evap pipe inside the tank leads to fuel leak  (Read 754 times)

franhickey, ZPETE, Kenyun and 4 Guests are viewing this topic.

  • Offline anvill72   gb

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    Corroded evap pipe inside the tank leads to fuel leak
    on: 11 Feb 24, 03:08:14
    11 Feb 24, 03:08:14
    So this happened...  :430:

    [/youtube]

  • Offline anvill72   gb

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    Offline anvill72

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #1 on: 11 Feb 24, 03:13:04
    11 Feb 24, 03:13:04
    Pictures






  • Offline whyhaveone   england

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    Offline whyhaveone

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #2 on: 12 Feb 24, 09:35:44
    12 Feb 24, 09:35:44
    Oh, that's a pain.  :006:
    Kawasaki: 1975 250-S1C; 1977 Z650-B1; 1980 Z1000 MKII A3; 2011 ER6n; 2013 Z1000SX ABS; 2016 Z1000SX ABS Tourer, 2020 Ninja 1000SX Performance Tourer.

  • Offline Timmy_Biker   gb

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #3 on: 12 Feb 24, 09:47:25
    12 Feb 24, 09:47:25
    Im pretty sure that is a consequence of ethanol in our fuel attracting water and causing that corrosion.
     A bump on the tank cant cause that.

    That gives more validity to being careful which fuel we use and how we store our bikes.

  • Offline anvill72   gb

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    Offline anvill72

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #4 on: 12 Feb 24, 05:38:17
    12 Feb 24, 05:38:17
    *Originally Posted by Timmy_Biker [+]
    Im pretty sure that is a consequence of ethanol in our fuel attracting water and causing that corrosion.
     A bump on the tank cant cause that.

    Agreed a bump on the tank wouldn't do that as issue was inside the tank and pipe was not bent, but had developed a line of corrosion leading to a crack.

    As for ethanol being the cause, I'm very sceptical of that claim. Yes, it can attract moisture, but would take a long time to cause this sort of damage. The bike is normally garaged and usually stored with a full tank of fuel. I've reviewed my records (yes, I'm that sad and lonely  :oh_no: and track my fuel consumption and mileage) and the longest period the bike has ever gone between refuels is 2 1/2 months. So... not like it was left for 9 months on a nearly empty tank of fuel generating fumes and attracting moisture!

    The guys at the dealership said they'd never seen this issue before. Kawasaki was contacted and stated the only time they have seen this issue before it was due to a kink in the return pipe (caused by improper tank re-installation) preventing the gases from escaping. I don't believe this applies in my case.

    It seems like a rare / unfortunate issue. Unfortunately Kawasaki declined to contribute towards the repair costs citing the age (2018 model so just under 6 years) and mileage (under 24k miles) of the bike. This was a bit disappointing as I've been a long term customer and am reasonably fastidious about bike maintenance (see above comment about tracking every refuel).

    *Originally Posted by Timmy_Biker [+]
    That gives more validity to being careful which fuel we use and how we store our bikes.
    Sure, could have been some bad fuel. I did tour France and Belgium last summer, and have been to Wales and Cornwall on the bike, so maybe the extra tin or arsenic did it  :745:

  • Online Kenyun

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #5 on: 20 Feb 24, 08:23:57
    20 Feb 24, 08:23:57
    Less than 24000 miles and the head bearings were shot? Too many hard landing wheelies????? :164:

  • Offline anvill72   gb

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #6 on: Yesterday at 09:21:40 pm
    Yesterday at 09:21:40 pm
    *Originally Posted by Kenyun [+]
    Less than 24000 miles and the head bearings were shot? Too many hard landing wheelies????? :164:

    I can't wheelie  :oh_no: 😭

    But have you seen the state of British roads? 😱

  • Offline DW-SX   gb

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #7 on: Yesterday at 09:49:02 pm
    Yesterday at 09:49:02 pm
    *Originally Posted by anvill72 [+]
    I can't wheelie  :oh_no: 😭

    But have you seen the state of British roads? 😱

    Don't get me started......

  • Offline burty   gb

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    Offline burty

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #8 on: Today at 08:07:42 am
    Today at 08:07:42 am
    *Originally Posted by Kenyun [+]
    Less than 24000 miles and the head bearings were shot? Too many hard landing wheelies????? :164:

    I would say 24000 miles on a set of head bearings is about normal for Kawasaki.

    Partly it depends whether they got a decent greasing early in their life as I believe that they don't add any grease in the factory.  In my experience the second set always last longer than the first and that's because you do it yourself.
    2017 Z1000SX, in black.  Roughly 80000 miles and 12
     years on SXs.

  • Online Kenyun

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    Re: Corroded evap pipe inside the tank leads to fuel leak
    Reply #9 on: Today at 11:41:48 am
    Today at 11:41:48 am
    Yes, I know what you mean about Kawasaki being tight with the grease, so I was fully prepared to replace my head bearings at 27000 miles but when dismantled they were still in perfect [greased] condition. Missing the potholes pays off! :028:

     



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