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post #11 of 34 (permalink) Old 03-06-2018, 01:18 PM
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The bottom cover to the swirl filter often corrodes. I had mine ceramic coated to prevent that.

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We started hitting the teens but no white stuff yet.
2006 LTR 535-R, Go Big or Go Home.


Her name is Bruce

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post #12 of 34 (permalink) Old 03-06-2018, 06:16 PM Thread Starter
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The bottom cover to the swirl filter often corrodes. I had mine ceramic coated to prevent that.
ive got it cleaned I ordered another filter Iím gonna replace it and Iím going to try and test my fuel pressure tonight any body got good ways to do it?
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post #13 of 34 (permalink) Old 03-07-2018, 06:23 AM
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I pull off the line that is in between the FPR and the injector. Then built a T with a gauge and slide it on to those two fittings. The key is to test the fuel pressure wile the problem is happening.

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Originally Posted by hinkle View Post
We started hitting the teens but no white stuff yet.
2006 LTR 535-R, Go Big or Go Home.


Her name is Bruce

https://www.ltr450hq.com/forums/gener...ce-manual.html
https://onedrive.live.com/?authkey=%...%21147&o=OneUp

LTR450 manual ^ ^ ^ ^ ^ ^
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post #14 of 34 (permalink) Old 03-07-2018, 05:15 PM Thread Starter
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Quote:
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I pull off the line that is in between the FPR and the injector. Then built a T with a gauge and slide it on to those two fittings. The key is to test the fuel pressure wile the problem is happening.
. Alrighty.. I tested the fuel pressure with the fourwheeler on and it kept a steady 36 psi even with the missing at high revs.. I unplugged the hose going to the fuel regulator so I could test just the pump and it held at about 39 and it went down slowly but that could be due to the hoses having a leak, I didnít see any leak but idk
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post #15 of 34 (permalink) Old 03-07-2018, 05:21 PM Thread Starter
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Quote:
Originally Posted by shadey View Post
I pull off the line that is in between the FPR and the injector. Then built a T with a gauge and slide it on to those two fittings. The key is to test the fuel pressure wile the problem is happening.
. Alrighty.. I tested the fuel pressure with the fourwheeler on and it kept a steady 36 psi even with the missing at high revs.. I unplugged the hose going to the fuel regulator so I could test just the pump and it held at about 39 and it went down slowly but that could be due to the hoses having a leak, I didnít see any leak but idk
my bad itís holding at 40 psi, and when I rev it, it goes down maybe 1 psi.. I have a video if I can send you guys one somehow
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post #16 of 34 (permalink) Old 03-08-2018, 05:36 AM
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If you can't hold 42 psi with the FPR bypassed, you have a bad pump or filter. if it exceeds 42 psi with the FPR bypassed but is low psi when hooked up normally, your FPR is bad.

Four (4) '06 LTR450's, '16 Beta 300RR, '09 CRF150RB, '11 Grizzly 550, 16 Beta X trainer, Laeger Trx500


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post #17 of 34 (permalink) Old 03-08-2018, 05:54 AM Thread Starter
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If you can't hold 42 psi with the FPR bypassed, you have a bad pump or filter. if it exceeds 42 psi with the FPR bypassed but is low psi when hooked up normally, your FPR is bad.
thank you very much
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post #18 of 34 (permalink) Old 03-08-2018, 06:29 AM
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Quote:
Originally Posted by hinkle View Post
We started hitting the teens but no white stuff yet.
2006 LTR 535-R, Go Big or Go Home.


Her name is Bruce

https://www.ltr450hq.com/forums/gener...ce-manual.html
https://onedrive.live.com/?authkey=%...%21147&o=OneUp

LTR450 manual ^ ^ ^ ^ ^ ^
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post #19 of 34 (permalink) Old 03-08-2018, 12:47 PM Thread Starter
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thanks
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post #20 of 34 (permalink) Old 03-08-2018, 02:15 PM
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thanks
I have 5 of the Quantum pumps with no problem, life time warranty as well.

Quote:
Originally Posted by hinkle View Post
We started hitting the teens but no white stuff yet.
2006 LTR 535-R, Go Big or Go Home.


Her name is Bruce

https://www.ltr450hq.com/forums/gener...ce-manual.html
https://onedrive.live.com/?authkey=%...%21147&o=OneUp

LTR450 manual ^ ^ ^ ^ ^ ^
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