In-line Fuel filter ? - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
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post #1 of 9 Old 04-17-2005, 04:12 PM Thread Starter
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In-line Fuel filter ?

After reading the instructions on how to get to the fuel filter, I hope I never have to do it.

Has anyone installed an in-line filter? What size is needed and where is the best place to put it?

TIA
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post #2 of 9 Old 04-17-2005, 11:18 PM
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This was on my mind too. I doubt it's been done. YET ?

I would like to research it or look into it.

What was the maintenance interval on that filter?

I like the idea of simplifying all these tricky maintenance items.. make them as easy as possible. I always want to make the bike easy to work on or fix. What if you were on the road going cross country and you get a load of Bad Gas.. Pull the tank and fuel pump? Pain in the ass for a normal maintenance item. My opinion.

If you put one inline ... will you need to remove the tank filter? Will the bike run like that ??

ALSO, I think the Plastic Elbows on the fuel line itself look like a "possible" weak point. With age they could break (maybe) the plastic seems brittle to me. maybe I am just paranoid.

I envision a braided line with an inline filter and brass fittings on the ends that mate to the tank and injector rail.

04 DL-650
Have a good time, ALL the time !
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post #3 of 9 Old 04-18-2005, 03:25 PM Thread Starter
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I'm not sure of the maintenance interval, but I know someone who checked theirs at 8000 miles and it was full of "stuff". It could happen at 100 miles if some foreign material got into your tank. But, with the in-line filter, you would just pop it off and put another in.

I'd leave the other filters where they are, especially with fuel injection.

I'm not a physics major so I don't know if the high pressure of an injection system is affected by an in-line filter or not. I HOPE not, but I need to hear it from some reliable sources before I do it.

You're right about the plastic elbows; they don't give the appearance of an item that will hold up after too many disconnects and connects.

Bob

Quote:
Originally Posted by Chris
This was on my mind too. I doubt it's been done. YET ?

I would like to research it or look into it.

What was the maintenance interval on that filter?

I like the idea of simplifying all these tricky maintenance items.. make them as easy as possible. I always want to make the bike easy to work on or fix. What if you were on the road going cross country and you get a load of Bad Gas.. Pull the tank and fuel pump? Pain in the ass for a normal maintenance item. My opinion.

If you put one inline ... will you need to remove the tank filter? Will the bike run like that ??

ALSO, I think the Plastic Elbows on the fuel line itself look like a "possible" weak point. With age they could break (maybe) the plastic seems brittle to me. maybe I am just paranoid.

I envision a braided line with an inline filter and brass fittings on the ends that mate to the tank and injector rail.
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post #4 of 9 Old 04-18-2005, 10:25 PM
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Interesting,

Looks like a few people over at some BMW Forum have the same concern with their bikes.. So See, Even if you pay DOUBLE you still have the same problems, So dont feel bad (Ha ha :P )

Interesting tecnique

http://www.ibmwr.org/r-tech/oilheads...l_filter.shtml

Gives you some Ideas :?

04 DL-650
Have a good time, ALL the time !
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post #5 of 9 Old 04-19-2005, 12:47 AM Thread Starter
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My last bike was a BMW F650. I put an in-line filter on it because I thought the carb filter was hard to get to. The DL650 filters are definitely more difficult to get to IMO.


Quote:
Originally Posted by Chris
Interesting,

Looks like a few people over at some BMW Forum have the same concern with their bikes.. So See, Even if you pay DOUBLE you still have the same problems, So dont feel bad (Ha ha :P )

Interesting tecnique

http://www.ibmwr.org/r-tech/oilheads...l_filter.shtml

Gives you some Ideas :?
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post #6 of 9 Old 04-19-2005, 01:41 PM
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It won't be long and the fuel filter will show up on my 'to do' list. So I took a look at the service manual. I can't be certain without taking the thing apart but looks like that filter is ahead of the fuel pump. It therefore protects the pump as well as everything down stream. If that's correct, the adding of a down stream filter isn't going to cut maintenance, it's going to add to it. According to one thread (a couple of months back) pulling the tank isn't a big deal, and that's a big percentage of the job. While the tank is off the plugs can be inspected and air filter dealt with. I need to check the manual but seems as though 17,000 miles is the time to check valve lash. Valve lash adjustment is the little dumplin' that really looks to be a big deal. I don't think that can be done without removing the tank and changes to clearances are made by changing (shim in bucket) shims. It isn't rocket science but there is a lot of opportunity to really screw-up... From what I've read most engines get past the first valve lash inspection without adjustment but even so that's another opportunity to check the fuel and filters.

From what I hear filter changes on some bikes can be a lot worse than the DL's --- ask a GL1800 owner what's involved in changing an air cleaner element... :shock:

oldgeorge

Too soon we get old --- Too late we get smart
Ex owner 04 DL650
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post #7 of 9 Old 04-19-2005, 03:04 PM
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Old George

Say it aint So...
I was looking at that too and wondering about
Sucking Crap into the Pump.....

BUT if I am right,
DL-650 Manual Page 5.2 shows the flow.

Looks like the Flow goes into the pump
Get pressurized,
Filtered,
then dumps right into the Fuel hose.

Just MAybe we could remove the filter and by-pass it with a hose like the BMW dweebs do.

But it looks like the float mechanism bolts to the top and I cant tell if it is bolting to the filter ??

I need to see this thing in my hand in order for it to make sense to me.


This all came about because.. I am paranoid.
What if I am on the road and get a load of bad gas ?

changing an inline can take 10 minutes..
Pulling the tank sending unit can take a DAY.

Crazy little Japs ! what are they thinking?

04 DL-650
Have a good time, ALL the time !
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post #8 of 9 Old 04-19-2005, 10:54 PM
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Hey Chris ---
This isn't something I know anything about, in fact every thing I said was based on a fishing trip through a couple of pdf. files and some old posts in a mental file --- (I once had a memory like a steel trap but it rusted through several years back)... :roll: I don't have a way to post graphics on this site but did make snap shots of two pages in the pdf. parts manual. Send me your email address and I will send them to you as a jpg. Or better yet down load these two pdf. files one is the service manual (21 Mb) and the other is the parts manual (7 plus Mb) --- both are worth the down load time.

http://motorcycleinfo.calsci.com/VStrom.html#General

http://motorcycleinfo.calsci.com/VStrom.html

Figure 16 of the parts manual shows the fuel sending unit mounted a-top the filter followed by the pump then the discharge line. It could be I got this wrong and wouldn't bet on anything until I saw it disassembled. That filter looks to be a big gizzy and would likely take a long time to plug-up. The service manual says the bike will loose power long before finally stops the fuel flow. The way I understand it the filter can be cleaned --- good thing too, it costs $170...

Now I have committed words to print that I do not know (but believe) to be true... If you take your fuel sending/filter/pump apart and determine that this is a falsehood --- forgive me I meant well.. :?

oldgeorge

Too soon we get old --- Too late we get smart
Ex owner 04 DL650
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post #9 of 9 Old 04-19-2005, 11:28 PM
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Thanks Ol George

I wont hold you to anything. :wink:

All this stuff is so Nutty,unless we worked for the BIG S , none of us would probably know until we take it apart.

I am in no hurry to do this... right now everything runs fine.

It will be a long while until I decide to open my tank up.. If I do I'll take pictures

THANKS for your help

I will look at the PDF's

Chris

04 DL-650
Have a good time, ALL the time !
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