Fuel filter add-on? - Kawasaki KLR 650 Forum
2008+ KLR650 Wrenching & Mod Questions For repair, maintaining or modifying discussions related to the newly updated 2008 and beyond, Generation 2 KLR650 Motorcycle.

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post #1 of 8 Old 04-03-2017, 06:25 PM Thread Starter
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Fuel filter add-on?

Odd there's no fuel filter on this 2016 that I can find.
Is there a type preferred to add on? I like clean gas going into the carb.

2016 KLR 650
2017 BMW S1000RR (traded in for
2018 Ducati V4S
1983 GL1100 Goldwing
2017 Yamaha R1
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post #2 of 8 Old 04-03-2017, 07:31 PM
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Quote:
Originally Posted by dan filipi View Post
Odd there's no fuel filter on this 2016 that I can find.
Is there a type preferred to add on? I like clean gas going into the carb.
Dan,
There are actually 3 fuel filters on your 2016 KLR650. No Need for anything extra.

2 inside the fuel tank (agitation keeps them from plugging) and 1 inside the black plastic fuel inlet nipple on the LH side of the carb.
Most motorcycles have got them Inside the fuel tank!

pdwestman
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Still riding my 1987 KL650-A1. 85,000+ miles & counting
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post #3 of 8 Old 04-03-2017, 09:04 PM Thread Starter
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Cool, thanks again!

2016 KLR 650
2017 BMW S1000RR (traded in for
2018 Ducati V4S
1983 GL1100 Goldwing
2017 Yamaha R1
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post #4 of 8 Old 04-04-2017, 09:47 AM
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Yep, the new bikes have a little filter in the hose in addition to the tank pickups as Paul says.......I'm not a fan and think they added it to stop the bits of vacuum petcock diaphragm from getting into the carb rather than using an ethanol resistant part in the first place.

....oh well, not a worry for me anyhow, as I run the manual petcock, no additional filters and non ethanol fuel.


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post #5 of 8 Old 04-04-2017, 12:18 PM
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Dave,
Diaphragm bits generally Do Not get into the fuel line, that I have ever known anyways.
The lips off of the 4 holed Selector Disk is the most likely culprit of rubber tid-bits jamming the float valve in the carb open. Therefore the 3rd little filter in what, 2012? Really! After 25 years production.

Many owners with the automatic valves Never turn them OFF and most try to avoid using reserve. So the selector handle sets in One position for months or even years. This allows the face of the handle to "glue" its self to the selector disk(thanks to ethanol). When someone finally runs low enough on fuel and needs to turn to reserve the stuck handle tears the lips of the disk.
Sometimes the lip stays attached for awhile, other times the carb flooding is nearly immediate.
One could change that selector disk (Part# 43049-1017 <$5.) as preventive maintenance every 2-5 years.

By using your Manual fuel valve daily or others using their Reserve frequently, the sticking/tearing of the selector disk is rarely encountered.
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post #6 of 8 Old 04-04-2017, 04:59 PM
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Buff those inner petcock parts shiny with a wet bit of brown scotchbrite. Then lube (lube as in a thin film, not globs) with EZ-Turn. Its a lube designed for aircraft petcocks/valves. The rubber will only degrade after that if there are rough spots or burrs present. Good stuff. The 5oz tube will last a lifetime. Mine is 15 years old and only 20% gone You will have to add the web prefix in front of the link since I don't have 15 posts.

www.aircraftspruce.com/catalog/cspages/ezturnlube.php?clickkey=9406]EZ TURN LUBRICANT from Aircraft Spruce

Last edited by Tom Schmitz; 04-04-2017 at 07:28 PM. Reason: completed URL
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post #7 of 8 Old 04-07-2017, 10:24 AM Thread Starter
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Quote:
Originally Posted by pdwestman View Post
Dave,
Diaphragm bits generally Do Not get into the fuel line, that I have ever known anyways.
The lips off of the 4 holed Selector Disk is the most likely culprit of rubber tid-bits jamming the float valve in the carb open. Therefore the 3rd little filter in what, 2012? Really! After 25 years production.

Many owners with the automatic valves Never turn them OFF and most try to avoid using reserve. So the selector handle sets in One position for months or even years. This allows the face of the handle to "glue" its self to the selector disk(thanks to ethanol). When someone finally runs low enough on fuel and needs to turn to reserve the stuck handle tears the lips of the disk.
Sometimes the lip stays attached for awhile, other times the carb flooding is nearly immediate.
One could change that selector disk (Part# 43049-1017 <$5.) as preventive maintenance every 2-5 years.

By using your Manual fuel valve daily or others using their Reserve frequently, the sticking/tearing of the selector disk is rarely encountered.
So in other words the stock inline filter doesn't stop the bits from getting to the float valve? Sounds like a good reason to install one that would.

2016 KLR 650
2017 BMW S1000RR (traded in for
2018 Ducati V4S
1983 GL1100 Goldwing
2017 Yamaha R1
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post #8 of 8 Old 04-07-2017, 11:56 AM
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Quote:
Originally Posted by pdwestman View Post
Dan,
There are actually 3 fuel filters on your 2016 KLR650. No Need for anything extra.

2 inside the fuel tank (agitation keeps them from plugging) and 1 inside the black plastic fuel inlet nipple on the LH side of the carb.
Quote:
Originally Posted by dan filipi View Post
So in other words the stock inline filter doesn't stop the bits from getting to the float valve? Sounds like a good reason to install one that would.
Dan,
Your 2016 KLR650 has already got the Third In-line Fuel Filter which keeps any damaged fuel selector disk crumbs out of the carb.

No Need for a Fourth fuel filter, which might restrict fuel flow when running on the bottom half of reserve.

pdwestman
Modify at "YOUR OWN RISK"!

Still riding my 1987 KL650-A1. 85,000+ miles & counting
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