Irregular idle - Kawasaki ZX-10R.net
 
LinkBack Thread Tools Display Modes
post #1 of 10 Old 06-10-2010, 06:33 PM Thread Starter
Does not drive into smoke
 
El Zilcho's Avatar
 
Join Date: Apr 2010
Location: Austin, TX
Posts: 2,156
Posting Frequency
       
Irregular idle

Today I noticed that when the bike was idling (for example waiting at traffic lights), the rpm was somewhat irregular. It sounded as if it was jumping a couple hundred rpm in quick irregular bursts. The bike runs fine otherwise. It's a 2004 ZX10R. FWIW, the default idle is set somewhat high (around 1,500rpm). That's how I got it from the previous owner and I never bothered to lower it.

Any suggestions as to what that could be or what I can do to investigate this further?
El Zilcho is offline  
Sponsored Links
Advertisement
 
post #2 of 10 Old 06-10-2010, 06:44 PM
GP Rider
 
shift's Avatar
 
Join Date: Mar 2008
Location: B.C.,Canada
Posts: 1,233
Posting Frequency
Images: 5
  
The idle is a bit iregular,i think about 1100 rpms normal just turn the black nob on the side.
shift is offline  
post #3 of 10 Old 06-12-2010, 10:32 PM
WSB Rider
 
Crazi's Avatar
 
Join Date: Apr 2009
Location: where my head lays
Posts: 685
Posting Frequency
 
Garage
Quote:
Originally Posted by El Zilcho View Post
Today I noticed that when the bike was idling (for example waiting at traffic lights), the rpm was somewhat irregular. It sounded as if it was jumping a couple hundred rpm in quick irregular bursts. The bike runs fine otherwise. It's a 2004 ZX10R. FWIW, the default idle is set somewhat high (around 1,500rpm). That's how I got it from the previous owner and I never bothered to lower it.

Any suggestions as to what that could be or what I can do to investigate this further?
What was the temperature of the bike while it was doing this?

05 Z1000 - Traded
05 ZX12R - Stolen
04 ZX10R - Going to be sold soon. New bully on the block!
13 ZX10R - Getting abused...

"It is the mark of an educated mind to be able to entertain a thought without accepting it"
Crazi is offline  
Sponsored Links
Advertisement
 
post #4 of 10 Old 06-12-2010, 10:48 PM
GP Star
 
ZX-10R_Sinner's Avatar
 
Join Date: Aug 2007
Location: Northwestern Iowa
Posts: 3,360
Posting Frequency
         
Is it the lope that you're talking about? I thought most 10R's had this due to the cams...

At its core, the Ninja ZX-10R is a motorcycle built for the accomplished rider who can fully appreciate its capabilities--whether put to the test at a racetrack, or merely the focus of bench-racing conversation. It is, by all standards, the embodiment of the ultimate superbike.


Member of The Elite - Growler Group
ZX-10R_Sinner is offline  
post #5 of 10 Old 06-12-2010, 10:56 PM
Licensed Dist of HaterAde
 
TMY10ER's Avatar
 
Join Date: Sep 2009
Location: Houston,TX
Posts: 11,423
Posting Frequency
Images: 10
           
Send a message via Yahoo to TMY10ER
Quote:
Originally Posted by zx-10r_sinner View Post
is it the lope that you're talking about? I thought most 10r's had this due to the cams...
TMY10ER is offline  
post #6 of 10 Old 06-13-2010, 10:08 PM Thread Starter
Does not drive into smoke
 
El Zilcho's Avatar
 
Join Date: Apr 2010
Location: Austin, TX
Posts: 2,156
Posting Frequency
       
Quote:
Originally Posted by Crazi View Post
What was the temperature of the bike while it was doing this?
Very hot. Stuck in traffic on a hot day. Close to overheating.
El Zilcho is offline  
post #7 of 10 Old 06-14-2010, 11:24 AM
GP Rider
 
gazx10's Avatar
 
Join Date: Mar 2010
Location: monroe, ga.
Posts: 1,361
Posting Frequency
     
my sons zx12 with 13.5 pistons ran very warm in traffic, one sure symptom was idle became erratic, ecu is signaled of high temp and richens fuel to help cool down. experienced this during his dyno tune to such a degree made accurate af ratio difficult. whenever approaching hot, fuel would richen. so, hows your idle when cold or cool?
gazx10 is offline  
post #8 of 10 Old 06-14-2010, 01:12 PM
WSB Rider
 
Crazi's Avatar
 
Join Date: Apr 2009
Location: where my head lays
Posts: 685
Posting Frequency
 
Garage
Quote:
Originally Posted by El Zilcho View Post
Very hot. Stuck in traffic on a hot day. Close to overheating.
gazx10 is on point with this. My bike ran fine until it warmed up to near 200-210.

I couldn't figure out why my bike was doing it and assumed I had a vacuum leak but that wasn't it. Then I ordered new plugs. While waiting on them, I decided to flush the cooling system and go from Engine Ice to a little bit (about a quart) of G-05, about 5 ozs of RMI-25 and the rest water. Problem went away...

What coolant are you running? When is the last time it was flushed? If it was recent, try burping the system of air. As a last resort, try mostly water with enough coolant for corrosion protection.

05 Z1000 - Traded
05 ZX12R - Stolen
04 ZX10R - Going to be sold soon. New bully on the block!
13 ZX10R - Getting abused...

"It is the mark of an educated mind to be able to entertain a thought without accepting it"
Crazi is offline  
post #9 of 10 Old 06-14-2010, 09:49 PM
GP Rider
 
gazx10's Avatar
 
Join Date: Mar 2010
Location: monroe, ga.
Posts: 1,361
Posting Frequency
     
fueling when hot

i had a bike that would run perfect one day and go crazy the next time you rode it, guages would begin flashing, fuel guage would go to full, and temp guage would start climbing all the way to hot and start flashing as a warning of overheating, the hotter it read the worse it ran, at full warning, it was like you pulled the choke on a hot carburated engine, black smoke and flooding with fuel. we ckd that motor numerous times , in that condition, with a infrared heat gun and operating temp. was normal, showing a false reading , but that false signal controlled the fi, richening it. swapped ecu, tps, temp sensor, everything including main wiring and guage harness. it turned out to be a loose connection on the speed sensor that reads frt sprocket causing total mayhem with all the electronics. these new bikes make great power through some complicated engine management, but all interwoven. crazi, you had the answer when you asked the question. been there, got stuck there, and done that. will never forget that repair.
gazx10 is offline  
post #10 of 10 Old 06-15-2010, 09:21 AM Thread Starter
Does not drive into smoke
 
El Zilcho's Avatar
 
Join Date: Apr 2010
Location: Austin, TX
Posts: 2,156
Posting Frequency
       
Quote:
Originally Posted by gazx10 View Post
so, hows your idle when cold or cool?
When cold/cool/warm the idle is just fine. I lowered it to around 1,250 rpm (middle of the 1k-2k gap).

I will change the coolant to engine ice and see if it makes a difference.
El Zilcho is offline  
Sponsored Links
Advertisement
 
Reply

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Kawasaki ZX-10R.net forums, you must first register.
Please enter your desired user name, your email address and other required details in the form below.

User Name:
Password
Please enter a password for your user account. Note that passwords are case-sensitive.

Password:


Confirm Password:
Email Address
Please enter a valid email address for yourself.

Email Address:
OR

Log-in











Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page
Display Modes
Linear Mode Linear Mode



Similar Threads
Thread Thread Starter Forum Replies Last Post
04 zx10 idle goes up kawiboytwo Performance and Tech 0 05-19-2010 11:16 PM
wierd idle 06hulk Performance and Tech 1 11-23-2008 06:27 PM
Front tire wearing irregular nitrous347 Performance and Tech 11 11-02-2007 11:40 AM
idle adjuster leemille Performance and Tech 2 02-24-2007 04:46 PM
idle problems fbdr24 The ZX-10R 3 11-21-2004 09:03 AM

Posting Rules  
You may post new threads
You may post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are On

 
For the best viewing experience please update your browser to Google Chrome