RR steering shudder - Honda Motorcycles - FireBlades.org
Honda FireBlade Discussion of the Honda CBR 900RR, Honda CBR 929RR, Honda CBR 954RR, and Honda CBR 1000RR Motorcycles.

User Tag List

Reply
 
LinkBack Thread Tools
post #1 of 33 Old 04-01-2008, 7:57 AM Thread Starter
 
Join Date: 03-05-2008
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 0
 
RR steering shudder

The last little decelleration before coming to a halt under braking from e.g. 10km/h to 0, the steering shudders a bit.. not up&down, but side-to side. The harder you brake the more it is. Nothing violent but definitely noticeable. Anyone else experienced this? Not sure how the HESD works but perhaps it's going into oscillation?
pwatts is offline  
Sponsored Links
Advertisement
 
post #2 of 33 Old 04-01-2008, 10:14 PM
 
Join Date: 09-20-2004
Location: Queensland, Australia
Posts: 454
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 15
 
Re: RR steering shudder

Hi Pwatts,

I'd suggest you check your steering head bearing adjustment as if it's a bit on the loose side it can cause the symptoms you have described (amongst others !).

Cheers, Spanky.

Last edited by Spanky; 04-01-2008 at 10:15 PM. Reason: Spelling mistake
Spanky is offline  
post #3 of 33 Old 04-02-2008, 12:13 AM
 
Join Date: 05-09-2007
Location: Florida
Age: 70
Posts: 325
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 13
 
Re: RR steering shudder

How's your front tire? I've had them become distorted from the layers seperating. Maybe you have one of those recalled Michelins?
129CBRider is offline  
Sponsored Links
Advertisement
 
post #4 of 33 Old 04-02-2008, 2:57 AM Thread Starter
 
Join Date: 03-05-2008
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 0
 
Re: RR steering shudder

Nope, tires are Pirelli Corsas. Did a lot of testing yesterday and it seems to only happen sometimes - other times even a stoppie doesn't upset it.
pwatts is offline  
post #5 of 33 Old 04-02-2008, 8:16 AM
 
Join Date: 05-09-2007
Location: Florida
Age: 70
Posts: 325
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 13
 
Re: RR steering shudder

Might be something with the front rotors having slick spots on them. New front brake pads lately?
129CBRider is offline  
post #6 of 33 Old 04-02-2008, 11:36 AM Thread Starter
 
Join Date: 03-05-2008
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 0
 
Re: RR steering shudder

Stock brake pads, bike still has less than 3000mi on. Depending on the construction of the HESD it may be that it leaves its stability margin (I'm an electronic engineer ), I'll check that by going downhill with the engine switched off
pwatts is offline  
post #7 of 33 Old 04-02-2008, 3:18 PM
 
Join Date: 06-24-2007
Location: Alabama
Posts: 169
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 13
 
Re: RR steering shudder

Recalled Michelins? I have a pilot power on the front. Should I worry?
kristribble is offline  
post #8 of 33 Old 04-02-2008, 3:24 PM
 
Join Date: 06-24-2007
Location: Alabama
Posts: 169
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 13
 
Re: RR steering shudder

nevermind, only ones made in France are bad.
kristribble is offline  
post #9 of 33 Old 04-03-2008, 2:13 AM
 
Join Date: 09-01-2007
Location: Finland
Posts: 49
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 0
 
Re: RR steering shudder

If it only happens in such low speeds i'd say it's not the tire, or suspension.

1) I bet for disk-pad contact has some troubles, one of the disks might be warped.
This should be noticed on higher speeds too?

2) Could be steering bearing too beeing too loose.

-J-

Quote:
Originally Posted by pwatts View Post
The last little decelleration before coming to a halt under braking from e.g. 10km/h to 0, the steering shudders a bit.. not up&down, but side-to side. The harder you brake the more it is. Nothing violent but definitely noticeable. Anyone else experienced this? Not sure how the HESD works but perhaps it's going into oscillation?
JariCBR900RR is offline  
post #10 of 33 Old 04-03-2008, 10:25 AM
 
Join Date: 05-09-2007
Location: Florida
Age: 70
Posts: 325
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 13
 
Re: RR steering shudder

https://www.fireblades.org/forums/gen...er-recall.html

Seems I recall they want a good bit of torque on the steering head nut.
129CBRider is offline  
post #11 of 33 Old 04-03-2008, 5:00 PM
 
Join Date: 10-21-2007
Location: s.a.
Posts: 361
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 12
 
Re: RR steering shudder

seems like your front brakes are locking up for some strange reason. loosen the left fork pinch bolts, sit on the bike and firmly push down on the front forks about 5 times while applying the front brake. then retighten and torque pinch bolts. this should help reset the pads. if they are worn, replace.
taurag is offline  
post #12 of 33 Old 04-03-2008, 5:18 PM
 
Join Date: 04-16-2006
Location: Middessa Tx
Posts: 1,640
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 17
     
Re: RR steering shudder

Floaters will sometimes do that. I doubt the brakes are bad.
rokitt51 is offline  
post #13 of 33 Old 04-03-2008, 5:30 PM Thread Starter
 
Join Date: 03-05-2008
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 0
 
Re: RR steering shudder

Uhmm... floaters??
pwatts is offline  
post #14 of 33 Old 04-30-2008, 4:08 AM
 
Join Date: 04-30-2008
Posts: 16
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 0
 
Re: RR steering shudder

mine does the same thing (06 blade), i.e. intermittent slight shudder just before coming to a complete stop?? definately feels like it's coming from the steering damper as there's no pulsing through the brake levers or anything?? had honda helderberg take a look at it but they reckon nothing wrong?

if you hear any different, let me know.

thanks
veritas is offline  
post #15 of 33 Old 04-30-2008, 4:44 AM Thread Starter
 
Join Date: 03-05-2008
Posts: 31
Mentioned: 0 Post(s)
Tagged: 0 Thread(s)
Quoted: 0 Post(s)
Reputation Power: 0
 
Re: RR steering shudder

Well I don't really mind if it's a natural occurrence.. All the Honda SA agents are a bunch of idiots who doesn't want to spend the time to really check something out and when they do always try to pack the blame so the warranty doesn't cover it.

I'm taking mine to Martin Paetzold next week for a proper suspension job, maybe I'll swop the HESD with a C2P.
pwatts is offline  
Reply

  Lower Navigation
Go Back   Honda Motorcycles - FireBlades.org > Honda Motorcycle Models > Honda FireBlade

Quick Reply
Message:
Options

Register Now



In order to be able to post messages on the Honda Motorcycles - FireBlades.org 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
A valid e-mail address is REQUIRED. You will not have access to any site features until you activate your account using the activation e-mail that is sent to this address.

Email Address:
OR

Log-in










Thread Tools
Show Printable Version Show Printable Version
Email this Page Email this Page



Similar Threads
Thread Thread Starter Forum Replies Last Post
CBR 1000 RR stock steering damper Honda1 Honda FireBlade 3 07-22-2007 11:56 PM
cbr 600 rr 2005 steering damp mosmos Wanted 0 02-05-2007 3:45 AM
Front end shudder on my 929 RLJ10X Honda FireBlade 11 07-06-2006 1:24 PM
wtb: ohlins steering damper steering nut... julit Honda FireBlade 0 06-06-2006 12:04 PM
Which Steering Dampeners do you prefer for 954 RR? Robert3RR Honda FireBlade 6 06-24-2005 11:46 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 Off
Pingbacks are Off
Refbacks are Off

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