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The $362.00 + fuel filter

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comnoz

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Discussion starter · #1 ·
It's a 2023 Pan Am
5000 miles and the pump is howling and the bike is loosing power, nothing new.
So you pull the pump and find the pre-filter is black again and restricted, nothing new.
So you clean it and put it back together. No more howling but still a loss of power. Fuel pressure at idle is good but it drops under heavier throttle. So you figure the pump is damaged from the restricted fuel sock and buy an aftermarket pump. Better at first but not for long.
Junk pump? no!
The problem was not the pump but the hidden fuel filter. It is a 10 micron paper filter under the white plastic cover.
Image

It is not removable without breaking the glue holding the cover in place and is not available separately anyway. I have back-flushed mine and got a few hundred good miles out of it.
So there is is, the $362.00 fuel filter, that is if you install it yourself after waiting a few weeks for the dealer to order it in.
It's hard to imagine the engineers were that poor, it looks like criminal engineering to me....
 
#2 ·
Yes sir I've been saying this very thing for a year 👏 🙌 Harley definitely dropped 🫳 the money for research on that puppy instead🙃
 
#4 ·
I'm hoping the new version fuel pump assembly has a larger micron high pressure filter in it so it doesn't clog as easy 🤪
 
Discussion starter · #6 ·
The prefilter on the pump is close to 100 micron. [It only stops the big stuff] Most aftermarket pre-filters are too coarse to protect the injectors which require a 5 to 10 micron filter. This fine filter should be on the pressure side of the pump.

I am in the process of removing the filter in the pump mount and machining a filter housing to go outside the tank with a reasonable sized 10 micron filter. That way if it becomes restricted like it did on my last trip I can simply change the element. Just Jim
 
Discussion starter · #8 ·
Back to running like it did new. [big smile]
I re-installed the original pump.
I removed the tiny filter from the fuel pump mount and cut a plug to replace it. It is press fit and installed with super glue. Here is the tiny 10 micron filter I removed.
Image

I ran an6 ptfe hose from the fitting on the tank to the under seat compartment and from the under seat compartment to the fitting that replaced the quick coupler near the injectors.
Image

Under the seat a pair of an6-180 degree fittings and a pair of an6 to sae 3/8 fittings made for a clean connection to a 10 micron automotive filter. Purolator f5557 intended for a GMC Envoy. I drilled two holes for the hose.
Image

The parts used were:
1 -45 degree an6 to Hose fitting to use at tank
3- an6 to 3/8 sae quick couplers - one at tank and two at filter
1- an6 o-ring to an6 flare to replace quick coupler at pulse damper [near injectors]
2- an6- 180 degree hose to female flare at filter
1- an6- 90 degree female flare to ptfe hose for connection at pulse damper fitting
About 5 ft of AN6 ptfe hose with steel braid and a vinyl cover.
One fuel filter that should last for a long time- and if it plugs it will be easy to replace.
A couple zip ties.
All parts sourced from Amazon.
Just Jim
 
#11 ·
Image

Image

Image


I'm using this pre-filter to protect the pump along with removing the little problem child high pressure filter and putting a larger inline filter in as well 😉
 
#14 ·
I'm
Green manalishi said:
How do you fit the purmotors filter?
Just stuff it into the fuel filler neck?
Click to expand...
I'm Trimming that section off , be like new pump assembly design but With a way better pre-filter and removing the little high pressure filter and adding a inline to be changed without having to remove the tank , but if you just want to use the superior pre-filter just Trimming the sleeve slot away is sufficient, look at the new pump design vs the old one 😉
Image

Image
 
#16 ·
I'm going to remove the top fuel cap assembly and install the fill filter that way to make sure it doesn't interfere with the float assembly 😉
Image
 
#17 ·
comnoz said:
It's a 2023 Pan Am
5000 miles and the pump is howling and the bike is loosing power, nothing new.
So you pull the pump and find the pre-filter is black again and restricted, nothing new.
So you clean it and put it back together. No more howling but still a loss of power. Fuel pressure at idle is good but it drops under heavier throttle. So you figure the pump is damaged from the restricted fuel sock and buy an aftermarket pump. Better at first but not for long.
Junk pump? no!
The problem was not the pump but the hidden fuel filter. It is a 10 micron paper filter under the white plastic cover.
View attachment 7835
It is not removable without breaking the glue holding the cover in place and is not available separately anyway. I have back-flushed mine and got a few hundred good miles out of it.
So there is is, the $362.00 fuel filter, that is if you install it yourself after waiting a few weeks for the dealer to order it in.
It's hard to imagine the engineers were that poor, it looks like criminal engineering to me....
Click to expand...
Beyond realms of comprehension! $362 for a filter. I think Harley should stick to clothing ,accessories, T shirts etc. The bikes are nothing like 30 years ago.
To many seals to break … The Indian smashes them ,IMO……2021 Pan American owner, it’s been a nightmare. Forget backup from Harley . I know more about the bike than their mechanic…
Im still stumped by parasitic electric discharge when not running and garaged,
Forum suggests RHCM . Battery dead if not trickle charged overnight every 2 days.NOT what you expect from an ADVENTURE BIKE, no external power available when camping…I’ve had to install an Anderson plug direct to battery for emergency start.



No maintenance manual available. Owners manual is as good as a nun giving sexual advise….
 
#19 ·
comnoz said:
Back to running like it did new. [big smile]
I re-installed the original pump.
I removed the tiny filter from the fuel pump mount and cut a plug to replace it. It is press fit and installed with super glue. Here is the tiny 10 micron filter I removed.
View attachment 7938
I ran an6 ptfe hose from the fitting on the tank to the under seat compartment and from the under seat compartment to the fitting that replaced the quick coupler near the injectors.
View attachment 7939
Under the seat a pair of an6-180 degree fittings and a pair of an6 to sae 3/8 fittings made for a clean connection to a 10 micron automotive filter. Purolator f5557 intended for a GMC Envoy. I drilled two holes for the hose.
View attachment 7940
The parts used were:
1 -45 degree an6 to Hose fitting to use at tank
3- an6 to 3/8 sae quick couplers - one at tank and two at filter
1- an6 o-ring to an6 flare to replace quick coupler at pulse damper [near injectors]
2- an6- 180 degree hose to female flare at filter
1- an6- 90 degree female flare to ptfe hose for connection at pulse damper fitting
About 5 ft of AN6 ptfe hose with steel braid and a vinyl cover.
One fuel filter that should last for a long time- and if it plugs it will be easy to replace.
A couple zip ties.
All parts sourced from Amazon.
Just Jim
Click to expand...

What a badass custom hack!
Great job and write up!!
 
#20 ·
LloydBennett said:
Beyond realms of comprehension! $362 for a filter. I think Harley should stick to clothing ,accessories, T shirts etc. The bikes are nothing like 30 years ago.
To many seals to break … The Indian smashes them ,IMO……2021 Pan American owner, it’s been a nightmare. Forget backup from Harley . I know more about the bike than their mechanic…
Im still stumped by parasitic electric discharge when not running and garaged,
Forum suggests RHCM . Battery dead if not trickle charged overnight every 2 days.NOT what you expect from an ADVENTURE BIKE, no external power available when camping…I’ve had to install an Anderson plug direct to battery for emergency start.



No maintenance manual available. Owners manual is as good as a nun giving sexual advise….
Click to expand...
The way I read the above is the filter is $362 because you you can't buy the filter separately, which means you have to buy a new pump to change it.
 
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comnoz
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