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Old 01-10-2014, 10:07 AM   #1
mz-zx10r
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zx10 sputtering on low rpms

So I havent been driving my bike due to the rain and having my bike worked on last week or so.
When I start it and after a few mins. of letting it warm up, i take it for a ride around the block, it seems to be sputtering on low rpms for some reason, once i pick up a bit of speed it starts running fine. Now prior to a month or so ago it had'nt done this. I had loaded my bike on my truck to take to the shop a few saturdays ago the day it started pouring down. and since the rain was sooo bad I turned around and waited. Is there a chance maybe water got in somewhere it wasnt supposed to? Because it was POURING down that day..

On start up it also seems to be throwing white smoke (which may be from my oil pan leaking onto the exhaust which i'm changing out tomorrow)

If anybody has an idea as to why its sputting at low rpms any info would help. thanks
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Old 01-10-2014, 10:40 AM   #2
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Do you have a power commander?
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Old 01-10-2014, 10:49 AM   #3
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Yes I do, I have a full arrows exhaust and power comander..

Idk if it'll help. But tomorrow while changing out my oil pan, I'm also planning on changing out my spark plugs while im at it.
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Old 01-10-2014, 10:50 AM   #4
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Try taking the power commander out of the system and see if it still acts that way.
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Old 01-10-2014, 10:51 AM   #5
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The fuel is getting old.
The smoke is from a combination of condensation in the exhaust and possibly a bit of moisture in the fuel.
Add a bit of Chevron fuel system cleaner to your tank and run a couple of tankfuls through.
Worst case you may need to change plugs depending on how many miles are on them.
I doubt the PC is the issue.
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Old 01-10-2014, 10:57 AM   #6
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Quote:
Originally Posted by lisiecki1 View Post
Try taking the power commander out of the system and see if it still acts that way.
Removing the power commander just consist of me unplugging it? or what all do i have todo, I didn't install it myself so i'll look online as to how to properly remove it.

Quote:
Originally Posted by Patrick View Post
The fuel is getting old.
The smoke is from a combination of condensation in the exhaust and possibly a bit of moisture in the fuel.
Add a bit of Chevron fuel system cleaner to your tank and run a couple of tankfuls through.
Worst case you may need to change plugs depending on how many miles are on them.
I doubt the PC is the issue.
My bike is garage kept, and even before the other day it got caught in the rain it had been throwing alot of white smoke at first start up...
But I'll add the Chevron fuel cleaner and will go ahead and change my spark plugs while i'm at it. I think my bike is at around 12k miles or so maybe more
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Old 01-10-2014, 11:02 AM   #7
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Patrick is most likely correct.

Though I did have a similar issue that was the PC acting up.
As far as removal, the PC is plugged in line on the engine harness. You unplug the two ends of the PC from the engine harness, and then plug those two engine harness ends into each other.

I wouldn't think heavy rain would hurt anything on your bike though, mine has been through almost monsoon conditions and never got water in it to the point it would affect the way it ran.....but, stranger things have happened.
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Last edited by lisiecki1; 01-10-2014 at 11:04 AM.
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Old 01-10-2014, 11:06 AM   #8
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[QUOTE=lisiecki1;3714883]Patrick is most likely correct.

Though I did have a similar issue that was the PC acting up.
As far as removal, the PC is plugged in line on the engine harness. You unplug the two ends of the PC from the engine harness, and then plug those two engine harness ends into each other.

Ooh ok that gives me a better idea as to how its connected because i wasnt familiar with it.

Thanks lisiecki & patrick for yalls quick responces. Tomorrow will be a busy day for me. i'm doing this and upgrading my calipers and brakes.
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Old 01-10-2014, 11:08 AM   #9
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Have fun. Be safe.
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"DON'T START VAST PROJECTS WITH HALF VAST IDEAS."
Remember the average response time to a 911 call is over 4 minutes.
The average response time of a 357 magnum is 1400 FPS.
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Old 01-10-2014, 11:11 AM   #10
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Yessir, thnks again.
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Old 01-13-2014, 11:16 AM   #11
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Well after a long weekend. I managed to change out my oil pan and also do my spark plugs while i was at it.
All im waiting on is to find an oil drain plug for this new pan and i'll start her up to verify everything went well.
time consuming but definately not impossible.
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Old 01-13-2014, 11:21 AM   #12
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Is the plug from your old pan not useable in the new one?
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Remember the average response time to a 911 call is over 4 minutes.
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Old 01-13-2014, 11:24 AM   #13
mz-zx10r
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nah unfortunately its not. the person I bought this pan from had the drain plug relocated and it looks like they changed the plug size also. The seller said he has a plug that will work but school starts this week so thats where ill be at after work all week
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