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Old 08-01-2011, 05:42 AM   #1
COMEBACK
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How often do you check your fuel filter?

Below are some pics on how mine looked like on my 07 750 race bike. Bike started to running rough and started by pulling the fuel filter and surprised it got any fuel at all

Bike has been on the street in Korea (around 7000km) and after that on track in Thailand........shitty fuel maybe, but thought I'd share as a maintenance tip
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Old 08-01-2011, 06:01 AM   #2
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Re: How often do you check your fuel filter?

Humm.. I may check mine now..
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Old 08-01-2011, 06:18 AM   #3
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Re: How often do you check your fuel filter?

how did you get dog hair in there?
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Old 08-01-2011, 06:28 AM   #4
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Re: How often do you check your fuel filter?

Damn....that makes me wanna check mine today!!!

Yeah, how in the hell did it get dog hair in there???
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Old 08-01-2011, 06:44 AM   #5
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Re: How often do you check your fuel filter?

How can you tell if that's actually dog hair there? C'mon, that's plain old nasty thailand/korean sht.

I've realized that Koreans actually do eat dogs. I wonder if it's somehow related with dog hair in the gas?
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Old 08-01-2011, 07:00 AM   #6
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Re: How often do you check your fuel filter?

Well.. I haven't ever checked mine..so it might be due..and it does seem like the fuel pump has been struggling more than it used to.. I will likely do this today..
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Old 08-01-2011, 07:04 AM   #7
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Re: How often do you check your fuel filter?

Quick Links--> Edit your details---> Scroll down until you see a box for motorcycle.
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Old 08-01-2011, 07:10 AM   #8
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Re: How often do you check your fuel filter?

Quote:
Originally Posted by njyork42 View Post
Well.. I haven't ever checked mine..so it might be due..and it does seem like the fuel pump has been struggling more than it used to.. I will likely do this today..
I wouldn't do that if the fuel flow is within limits and if the fuel pump holds fuel pressure.

Don't think it's a good idea to tear down the pump just because you saw that nasty pics on the internet (even for the bike with 7k km on the clock).

In other words don't fix it if it's not broken
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Old 08-01-2011, 08:26 AM   #9
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Re: How often do you check your fuel filter?

I checked mine 3 years in, it looked perfectly clean, 0 dirt on it. Yours looks like shit I would find under my couch cushions!
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Old 08-01-2011, 02:22 PM   #10
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Re: How often do you check your fuel filter?

Quote:
Originally Posted by a.leopard View Post
I wouldn't do that if the fuel flow is within limits and if the fuel pump holds fuel pressure.

Don't think it's a good idea to tear down the pump just because you saw that nasty pics on the internet (even for the bike with 7k km on the clock).

In other words don't fix it if it's not broken

Takes longer to build pressure than its used to..and that tank has seen a lot..
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Old 08-01-2011, 02:26 PM   #11
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Re: How often do you check your fuel filter?

i check my filter daily.
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Old 08-01-2011, 06:28 PM   #12
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Re: How often do you check your fuel filter?

i wish i had taken a picture of mine when i did it...it was 10x more nasty then that...i had a TON of rust and sediment. it was like 2 handfuls of that shit.
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Old 08-01-2011, 06:33 PM   #13
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Re: How often do you check your fuel filter?

Quote:
Originally Posted by njyork42 View Post
Takes longer to build pressure than its used to..and that tank has seen a lot..
Did you measure fuel flow? Just wonder how low is it.
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Old 08-02-2011, 02:11 AM   #14
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Re: How often do you check your fuel filter?

is there a simple/quick process to checking/removing the fuel filter?
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Old 08-02-2011, 02:57 AM   #15
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Re: How often do you check your fuel filter?

^^ what he said I am getting some throttle response issues and when the pump primes it sounds off sometimes. As the bike is 6 years old and i got it it would be nice to know for peace of mind?? I use only the highest quality gas but have only owned it for 4 months now.
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Old 08-02-2011, 03:40 AM   #16
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Re: How often do you check your fuel filter?

Quote:
Originally Posted by Gixxykid View Post
is there a simple/quick process to checking/removing the fuel filter?
If the following things are within limits:

1) fuel flow
2) fuel pressure when the pump is on
3) fuel pressure drop after specific amount of time (like 30 sec or so) after the pump is switched on

Then you shouldn't worry.

If you are scared by the pics from the 1st post then feel free to remove the tank, remove the pump, disassemble it and inspect filters.
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Old 08-02-2011, 03:55 AM   #17
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Re: How often do you check your fuel filter?

how do you check fuel flow?? Im defantly scared but every time i read a post i get scared that my bike has the same issue. Im a total nut.
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Old 08-02-2011, 04:01 AM   #18
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Re: How often do you check your fuel filter?

Quote:
Originally Posted by stanfiem View Post
how do you check fuel flow?? Im defantly scared but every time i read a post i get scared that my bike has the same issue. Im a total nut.
You just measure how many liters are pumped in a given amount of time. All numbers and procedures are well described in the service manual for your bike.
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Old 08-02-2011, 04:11 AM   #19
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Re: How often do you check your fuel filter?

I should add that the bike won a couple of races with the filter like that. Bike felt mostly fine, but very on/off throttle. Now it is crisp and smooth.

Might also add that the fuel comsumption dropped dramatically with a clean filter.
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Old 08-02-2011, 04:37 AM   #20
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Re: How often do you check your fuel filter?

Quote:
Originally Posted by COMEBACK View Post
I should add that the bike won a couple of races with the filter like that. Bike felt mostly fine, but very on/off throttle. Now it is crisp and smooth.
Clogged fuel filter doesn't affect low end at all.
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