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Jared Langenfeld
Joined: 06 Apr 2011
Posts: 65
Location: United States, Kansas, Kansas City
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 Posted: Wed Apr 11, 2012 5:48 pm Post subject: Use a Fuel Filter!!! |
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I know this is just a little part of the whole kart that doesn't get talked about much, but it looks to be very important! When I bought the kart at the end of the year last year from a guy that owned it for 6 years, he didn't have a fuel filter installed before the pump. I thought this was weird and installed one after my first event. But, I didn't know the extent that no fuel filter could cause issues.
As most know from my other thread, I was having issues with the motor going flat in high load left-corners (at least I mainly noticed it in left-corners), so SwedeTech recommended I rebuild my fuel pump. I got the kits in the other day and got around to taking my fuel pump apart today, and this is what I found:
Yes, a pebble was lodged in one of the supply slots. After I slid the pump body off, another pebble fell out and ANOTHER pebble was wedged under the check valve, along with a piece of hair! This was all in the supply pump with a 2mm allen wrench for scale:
So, morale of the story, have a fuel filter before the pump!!!
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2008 Mike Wilson with Honda CR125 shifter |
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Joe Ricard
Joined: 23 Jun 2009
Posts: 869
Location: United States, Mississippi,
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| Posted: Sun Apr 15, 2012 4:36 pm Post subject: |
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Is that sand pieces? and a hair????
Yea I learned fuel filter the hard way couple years ago. Also learned to empty all fuel from everywhere when not running kart for awhile.
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Arrow AX-8/ Rotax Sr. |
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Robbie Nelson
Joined: 26 May 2008
Posts: 131
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| Posted: Mon Apr 16, 2012 5:22 am Post subject: |
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| Joe Ricard wrote: | | Also learned to empty all fuel from everywhere when not running kart for awhile. |
I see a lot of people drain the fuel tank after every event, but I don't quite get the benefit? Can someone explain it to me? I can see draining everything for the winter, but I don't understand the benefit of doing it between events. |
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Jason Vehige
Joined: 21 Apr 2006
Posts: 282
Location: United States, Tennessee, Nashville
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| Posted: Mon Apr 16, 2012 5:49 am Post subject: |
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Fuel not stored in a metal can looses octane and chemicals quickly.... Also the plastic tank gets brittle with fuel left in it for a long time leading to failure aka a cracked tank.... It's worth the 2 minutes it takes to drain it IMHO.
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Jason Vehige
08 Gillard Charlotte / SGM sl204
05 Vanspeed Sirio / SGM sl204 |
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Larry MacLeod
Joined: 28 Sep 2005
Posts: 299
Location: United States, Michigan, Ypsilanti
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| Posted: Mon Apr 16, 2012 4:07 pm Post subject: |
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| Robbie Nelson wrote: | | I see a lot of people drain the fuel tank after every event, but I don't quite get the benefit? Can someone explain it to me? I can see draining everything for the winter, but I don't understand the benefit of doing it between events. |
After the first time you crack a fuel tank and lose your runs and probably get kart suit soaked with fuel, you'll realize why people drain their fuel systems after every event.
Larry
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F125 #196
Old Birel/ hodgepodge Honda CR125
Lefty Funk
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