Help. Bike Bogging like a SOB. - Kawasaki Versys Forum
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post #1 of 31 (permalink) Old 06-15-2013, 09:49 PM Thread Starter
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Unhappy Help. Bike Bogging like a SOB.

Ok, 2008 Versys under 6k miles, I mainly commute to work less than 3 miles away...low on fuel a week ago, fill up full tank and then head to work. While on the interstate, engine starts to hesitate and bog like I'm running out of gas. If I keep engine high-revving seems fine, but the minute I let off it bogs bad.

So, I get it home and let it sit for the week. Today, I take tank off, flush all gas and add some new thinking it may have been some bad fuel. Let it run for a bit, and test drive only to have it act worse. Have to ride cluth and rev engine to get it to start rolling.

Bike starts fine, I can hear the fuel pump upon startup, so I take tank off again, pull the airbox and yank the plugs only to find they look brand new. I can't see anything out of the ordinary with wiring or hoses. Air filter looks fine.

WTF is going on. Bike is sitting under carport with tank still off and I have no clue what is going on.

Thanks guys.

JM
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post #2 of 31 (permalink) Old 06-15-2013, 11:21 PM
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Does the FI lamp stay on or did it go on when it was bogging?
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post #3 of 31 (permalink) Old 06-15-2013, 11:42 PM Thread Starter
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Huh...you know, I didn't even check that. Will have to look tomorrow morning. Should I have the bike running or can I just turn on ignition switch?
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post #4 of 31 (permalink) Old 06-15-2013, 11:45 PM Thread Starter
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Ah, finally found something of use through "Search"...

Will be trying this tomorrow.

http://www.kawasakiversys.com/forums...read.php?t=236
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post #5 of 31 (permalink) Old 06-15-2013, 11:51 PM
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FI lamp will always normally go on for a couple seconds when ignition is turned on. You can check if it remains on when running, or if it goes on when bogging... If it ever did go on then off, code is stored in memory. Any code in memory can be read by grounding the diagnotic bullet connector under the seat, if the code wasn't erased by disconnecting your battery.

A faulty fuel pump won't trigger a fault code though. With such low mileage, did it hold the same fuel in the tank for a very long time, over storage, etc?
Is your original battery still good, and are its connections clean and tight?

Last edited by invader; 07-08-2013 at 06:40 PM.
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post #6 of 31 (permalink) Old 06-16-2013, 10:41 AM Thread Starter
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Well ****, I pulled battery terminals to check them for corrosion the day I took the tank off...I guess any codes that were thrown will be wiped out. I had to hit work early, so I wasn't able to check for any codes. I get off at 6 today and will attempt testing then.

The longest I would have had any of the same fuel in the bike would have been around a month, I wouldn't imagine that would be a long enough time to cause any damage.

Thanks for the posts guys, much appreciated.
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post #7 of 31 (permalink) Old 06-16-2013, 10:46 AM
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Maybe...

it could be something simple, like a clogged fuel tank air vent. Wouldn't that be nice!

Deb
CO

So many bikes, so little dinero

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post #8 of 31 (permalink) Old 06-16-2013, 10:49 AM Thread Starter
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No clue, it doesn't seem like a clog because upon startup it seems to idle fine for 5-10 seconds and seems to enter a "limp mode" of some sort after that. I would think a clog would prevent normal ignition immediately upon startup.
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post #9 of 31 (permalink) Old 06-16-2013, 10:52 AM Thread Starter
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The oddest part is that it was running perfecfty fine to the gas station and then after filling up, immediately began acting up on the ride to work...which lead me to believe bad gas. But after a tank flush and new gas, it seems worse.

Anyways, I'll be checking for coding later in the day, hopefully that will lead to further answers.
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post #10 of 31 (permalink) Old 06-16-2013, 10:56 AM
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Originally Posted by johnmichael View Post
The oddest part is that it was running perfecfty fine to the gas station and then after filling up, immediately began acting up on the ride to work...which lead me to believe bad gas. But after a tank flush and new gas, it seems worse.

Anyways, I'll be checking for coding later in the day, hopefully that will lead to further answers.
Chevron Techtron or B&G injector cleaner (don't know if you have that in LA, it's a CO company but works awesome) that will remove water might solve your problem too. Def sounds like bad gas.

Deb
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post #11 of 31 (permalink) Old 06-16-2013, 01:11 PM
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sounds like firing only one cylinder..I lost one spark plug, looked good just died??
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post #12 of 31 (permalink) Old 06-19-2013, 06:49 PM Thread Starter
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Fired bike back up just now and ran some Sea Foam through fuel, some backfiring let me know it was doing something, but bike is still struggling to maintain idle and still runs very rough while giving throttle.

FI light pops on upon keying on and dims when startup is complete, I believe this is normal. Tried grounding wiring, but nothing flashes on FI.

Still no clue what this could be.
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post #13 of 31 (permalink) Old 06-19-2013, 06:59 PM
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It is running on both cylinders? (Both exhaust downpipes get hot upon startup?)
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post #14 of 31 (permalink) Old 06-19-2013, 07:03 PM
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Dude I've read along on a lot of threads. You are pretty low close to sea level. I would encourage you to work with invader and you will get to the bottom of your problem! JMO

Best of luck, I think you will have to do a reset!





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post #15 of 31 (permalink) Old 06-20-2013, 02:15 AM
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I considered the main throttle sensor adjustment to cure the lean low end and hunting idle, particularly at near sea level... johnmichael's problem appeared suddenly/intermittently, albeit after a fillup, but without improvement after a gas flush and refill. This leads me to suspect the coils on plug' known problems with 2007-2009 models, and at close to salty sea... Not that I have any clue of what I'm talking about.

http://homepages.slingshot.co.nz/~sh...ml#Question_13

Last edited by invader; 06-20-2013 at 02:19 AM.
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post #16 of 31 (permalink) Old 06-20-2013, 02:03 PM
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Garage
If you don't know the maint history of your bike I would give it a tune up...

- download the service manual from this site
- replace plugs and use a little dielectric grease in the boots
- clean the air filter and lightly re oil
- do a carb/throttle body sync
- run some fuel injector cleaner through it
- if it is still off you may have sensor issues

I have an 08 and had a noticeable improvement after doing the above...

The sensor locations are set at the factory and locked in position so it is unlikely this is an issue unless they have been tampered with by previous owner.

Last edited by twowheels; 06-20-2013 at 02:07 PM.
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post #17 of 31 (permalink) Old 06-21-2013, 02:07 PM Thread Starter
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Red face

Unbelievable.

I shoulda started simple first...even though both plugs looked almost new, I decided to replace them this morning just for the hell of it. Bike runs better than when I first bought it.

Son of a bitch, I can't believe it. LOL.

Thanks for the help guys, it's much appreciated. Took it for a 10 minute spin around town and it runs better than ever.
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post #18 of 31 (permalink) Old 06-21-2013, 02:36 PM
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Thanks for finishing off your thread!

When the plugs are shot and no spark things don't fire correctly!

LOL





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post #19 of 31 (permalink) Old 06-21-2013, 03:29 PM
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Yay!!!

GeneHil - Mount Dora, FL
2011 Kawasaki Versys
Viet Nam: Dec67-Dec68 & Jul69-Dec72
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post #20 of 31 (permalink) Old 06-21-2013, 06:50 PM
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Quote:
Originally Posted by johnmichael View Post
Unbelievable.

I shoulda started simple first...even though both plugs looked almost new, I decided to replace them this morning just for the hell of it. Bike runs better than when I first bought it.

Son of a bitch, I can't believe it. LOL.

Thanks for the help guys, it's much appreciated. Took it for a 10 minute spin around town and it runs better than ever.
In years gone by, i worked on a car that had basically the same problem. The plugs were nearly new, replaced with new plugs, fault reoccurred after low milage. Traced fault to low ignition coil output. Replaced the coil and solved the problem. This was before oscilloscopes became the norm in garages. I did a spark jump test and it showed weak spark. Could be a thought if 07-09 Versys have coil issues.
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