MotoHouston.com MotoHouston.com
Register Members List Member Map Media Calendar Garage Forum Home Mark Forums Read

Go Back   MotoHouston.com > Technical > How To's and Q & A's
Forgot info?

Welcome to MotoHouston.com! You are currently viewing our forums as a guest which gives you limited access to the community. By joining our free community you will have access to great discounts from our sponsors, the ability to post topics, communicate privately with other members, respond to polls, upload content, free email, classifieds, and access many other special features. Registration is fast, simple and absolutely free, join our community!

Register Today!

If you have any problems with the registration process or your account login, please contact us.


Like us on Facebook! Regular shirt GIVEAWAYS and more

Advertisement

Reply
Share This Thread: 
Subscribe to this Thread Thread Tools
Old 01-06-2014, 09:20 AM   #1
kurt2184
Member
 
kurt2184's Avatar
 
Join Date: Nov 2013
Feedback Rating: (0)
Posts: 51












Front end shakes like when braking

I own a 2003 gixxer 600. I just bought a new front tire, the old one was worn on the left side way more than the right. An old man told me the left side of more fork needed to be aired up?(is that true) my main concern is when I use my front brakes my bike shakes hard. Its almost if my brakes grab then don't grab then don't. I still stop fast its just rough as . ANY IDEAS?????
kurt2184 is offline   Reply With Quote
Similar Topics
Thread Thread Starter Forum Replies Last Post
Front braking problem AYEELE General Discussion (Moto Related) 15 08-19-2010 12:30 PM
Wash out the front end? psychomedicHFD Taking it to the Track 5 07-30-2009 11:28 AM
Front end wobble?? Hooligan General Discussion (Moto Related) 19 07-27-2009 10:07 AM
Front end shakes...... 100f How To's and Q & A's 13 05-16-2008 11:14 AM
Lite front end? Knightrider General Discussion (Moto Related) 14 07-31-2006 01:19 PM
Advertisement
Old 01-06-2014, 09:28 AM   #2
monstermanus
Senior Member
 
monstermanus's Avatar
 
Join Date: Dec 2010
Location: richmond
Feedback Rating: (0)
Posts: 558

Experience: 10+ years
Trackdays: 1

Bike(s):
ducati monster (sold )
Ducati streetfighter








Send a message via AIM to monstermanus Send a message via Yahoo to monstermanus
Might be the rotors are warped
monstermanus is offline   Reply With Quote
Liked this post:
Old 01-06-2014, 09:33 AM   #3
Rod
Near Miss Racing Team #96
 
Rod's Avatar
 
Join Date: May 2013
Location: Houston, TX
Feedback Rating: (0)
Posts: 1,677

Experience: 10+ years
Trackdays: 10+

Bike(s):
R3 2015
TS185 74
EX250R 2010 "A" race bike
EX250R 2008 "B" race bike
150cc Rocketta Scooter "the "






Take it to Patrick and let him take a quick look.
__________________
CMRA#672
Rod is offline   Reply With Quote
Old 01-06-2014, 09:56 AM   #4
dbuck
Stayin' Young
 
dbuck's Avatar
 
Join Date: Feb 2006
Location: NW Houston BW8/290
Feedback Rating: (5)
Posts: 19,636

Experience: 10+ years
Trackdays: 10+

Bike(s):
02 Honda Superhawk









Send a message via AIM to dbuck
i'd guess warped rotors....
dbuck is online now   Reply With Quote
Liked this post:
Old 01-06-2014, 10:39 AM   #5
kurt2184
Member
 
kurt2184's Avatar
 
Join Date: Nov 2013
Feedback Rating: (0)
Posts: 51












I'm gonna go ahead and replace them should I go ahead and put new pads on too?
kurt2184 is offline   Reply With Quote
Old 01-06-2014, 10:39 AM   #6
kurt2184
Member
 
kurt2184's Avatar
 
Join Date: Nov 2013
Feedback Rating: (0)
Posts: 51












Who's Patrick
kurt2184 is offline   Reply With Quote
Old 01-06-2014, 10:44 AM   #7
r6racer
track
 
r6racer's Avatar
 
Join Date: Dec 2012
Location: Houston
Feedback Rating: (4)
Posts: 8,582

Experience: 2 years
Trackdays: 10+

Bike(s):
2008 Yamaha R6 Race/track
2012 Yamaha WGP R6
2004 Kawasaki KLx250 2-stroke
2008 Yamaha R6 Street *Sold*
2005 Yamaha R6 Track *Sold*

Member Garage





Look at the pads and see if they need to be replaced. Also if there is anything wrong with the forks, I would just take it to a shop real quick. Id hit up house of paint and so you can bring the bike by and then he will tell you whats up

This is there number (281) 651-1961
__________________
r6racer is offline   Reply With Quote
Liked this post:
Old 01-06-2014, 10:49 AM   #8
Rod
Near Miss Racing Team #96
 
Rod's Avatar
 
Join Date: May 2013
Location: Houston, TX
Feedback Rating: (0)
Posts: 1,677

Experience: 10+ years
Trackdays: 10+

Bike(s):
R3 2015
TS185 74
EX250R 2010 "A" race bike
EX250R 2008 "B" race bike
150cc Rocketta Scooter "the "






It could be as simple as the weight have fallen off or placed on the wrong side of the wheel. It happened to me before when I used to ride street swapping the sleeks to street tires.
Patrick is one of the sponsors here with a shop at the FM1960 near 45
http://www.motohouston.com/forums/forumdisplay.php?f=93
__________________
CMRA#672
Rod is offline   Reply With Quote
Liked this post:
Old 01-06-2014, 10:49 AM   #9
Patrick
Motorcycles Unlimited
 
Join Date: Jun 2005
Location: Houston
Feedback Rating: (2)
Posts: 16,367

Experience: 10+ years
Trackdays: 10+

Bike(s):
'14 Speed Triple R, '82 CB900F, '13 Streetglide






Quote:
Originally Posted by kurt2184 View Post
Who's Patrick
That's me.
Swing by my shop, Motorcycles Unlimited, and I'll test ride the bike, no charge.
It could be rotors, could be steering head or wheel bearings, or just glazed rotors and pads.
If you're replacing rotors you definitely want to replace the pads at the same time.
__________________
Call or PM for the BEST PRICES in Houston for PARTS and ACCESSORIES.
MAKE SURE TO MENTION YOU'RE ON MH TO GET THE BEST PRICE!

NEED GEAR? We have a great selection in stock but if we need to order it we GUARANTEE FIT!
Where Houston riders go to have their bikes worked on, done right the first time!


muad

1964 FM 1960 West
Houston, TX 77090
Hours: Tues.-Fri. 9:30-6:00 Sat. 9-5:30
www.motorcycles-unlimited.com
http://www.facebook.com/motorcyclesunlimited
e-mail: patrick@motorcycles-unlimited.com
Patrick is offline   Reply With Quote
Old 01-06-2014, 12:15 PM   #10
bumblebee
Yeah I'm flippin' YOU off
 
bumblebee's Avatar
 
Join Date: Oct 2006
Location: Pearland
Feedback Rating: (3)
Posts: 12,268


Bike(s):
'74 Suzuki GT380
'82 XS650 StreetTracker
'10 Ducati Streetfighter
'83 Yamaha Seca 900






All the things mentioned could be the cause so, taking it to Patrick its an excellent idea.
That said, I had a 2004 gsxr750 that had, by your description, the same issue.
I tried pads, scrubbing the rotors with scotch BRITE, chkd steering head bearings, etc.

The cure was readjusting the front suspension. It's called packing. Under hard braking, the suspension compresses and couldn't rebound fast enough. It's hard to describe, but it felt like a hard, fast shudder.
It's worth looking into if the other things don't do the trick.
__________________
Asphalt is for racing... dirt is for growing potatoes. - J. Diester
When seconds count... the police are only minutes away.
Grow up and be a productive member of society already.
Bevo- "I lack skillz"
bumblebee is online now   Reply With Quote
Old 01-06-2014, 12:42 PM   #11
Sickspeed
Lets Ride
 
Sickspeed's Avatar
 
Join Date: Sep 2013
Location: Cypress/Houston
Feedback Rating: (2)
Posts: 173

Experience: 2 years
Trackdays: 2

Bike(s):
R6









Mine is doing the same thing. 2006 r6. Im replacing the rotors today to see if thats the issue.
Sickspeed is offline   Reply With Quote
Old 01-06-2014, 01:50 PM   #12
CBR500R_Mike
Senior Member
 
CBR500R_Mike's Avatar
 
Join Date: Aug 2013
Location: Cypress
Feedback Rating: (0)
Posts: 335

Experience: 10+ years
Trackdays: 1

Bike(s):
2013 Honda CBR500R
2003 Yamaha YZ450F
2008 Honda CRF450R


Member Garage





Patrick to the rescue...This guy is top notch the best fella in the industry. We all trust him!
__________________

I'm Rex, founder of the Rex Kwon Do self-defense system! After one week with me in my dojo, you'll be prepared to defend yourself with the strength of a grizzly, the reflexes of a puma, and the wisdom of a man. So come down today for your free-trial lesson!
CBR500R_Mike is offline   Reply With Quote
Liked this post:
Old 01-06-2014, 07:30 PM   #13
kurt2184
Member
 
kurt2184's Avatar
 
Join Date: Nov 2013
Feedback Rating: (0)
Posts: 51












Quote:
Originally Posted by Patrick View Post
That's me.
Swing by my shop, Motorcycles Unlimited, and I'll test ride the bike, no charge.
It could be rotors, could be steering head or wheel bearings, or just glazed rotors and pads.
If you're replacing rotors you definitely want to replace the pads at the same time.
Let me get my clutch cable and rear brake pads in and I'll swing it by you. Sure do appreciate it
kurt2184 is offline   Reply With Quote
Old 01-06-2014, 07:32 PM   #14
kurt2184
Member
 
kurt2184's Avatar
 
Join Date: Nov 2013
Feedback Rating: (0)
Posts: 51












Quote:
Originally Posted by bumblebee View Post
All the things mentioned could be the cause so, taking it to Patrick its an excellent idea.
That said, I had a 2004 gsxr750 that had, by your description, the same issue.
I tried pads, scrubbing the rotors with scotch BRITE, chkd steering head bearings, etc.

The cure was readjusting the front suspension. It's called packing. Under hard braking, the suspension compresses and couldn't rebound fast enough. It's hard to describe, but it felt like a hard, fast shudder.
It's worth looking into if the other things don't do the trick.
I bought the bike as a stunter so its been rode hard. The old man said the same about the forks. I'm gonna bring it to Patrick when I get my clutch cable and rear pads in and on. Hopefully this week. I appreciate it a lot man.
kurt2184 is offline   Reply With Quote
Old 01-06-2014, 07:33 PM   #15
kurt2184
Member
 
kurt2184's Avatar
 
Join Date: Nov 2013
Feedback Rating: (0)
Posts: 51












Quote:
Originally Posted by Sickspeed View Post
Mine is doing the same thing. 2006 r6. Im replacing the rotors today to see if thats the issue.
Let mW know if it fixes it
kurt2184 is offline   Reply With Quote
Old 01-06-2014, 07:38 PM   #16
Sickspeed
Lets Ride
 
Sickspeed's Avatar
 
Join Date: Sep 2013
Location: Cypress/Houston
Feedback Rating: (2)
Posts: 173

Experience: 2 years
Trackdays: 2

Bike(s):
R6









Quote:
Originally Posted by kurt2184 View Post
Let mW know if it fixes it
Just fixed it. One rotor was slightly warped. No more shakes!
Sickspeed is offline   Reply With Quote
Liked this post:
Old 01-06-2014, 07:43 PM   #17
kurt2184
Member
 
kurt2184's Avatar
 
Join Date: Nov 2013
Feedback Rating: (0)
Posts: 51












Buying rotors on Motorsport now!!!!! Thank u bro
kurt2184 is offline   Reply With Quote
Old 01-06-2014, 07:52 PM   #18
Sickspeed
Lets Ride
 
Sickspeed's Avatar
 
Join Date: Sep 2013
Location: Cypress/Houston
Feedback Rating: (2)
Posts: 173

Experience: 2 years
Trackdays: 2

Bike(s):
R6









No prob. After i raised the front wheel and removed the calipers, it was obvious that the rotor was warped when i spun the wheel
Sickspeed is offline   Reply With Quote
Old 01-06-2014, 08:01 PM   #19
bdmpastx
The Cripple
 
bdmpastx's Avatar
 
Join Date: Nov 2005
Location: Pearland
Feedback Rating: (0)
Posts: 5,771

Experience: 10+ years
Trackdays: 10+

Bike(s):
2009 Nissan GTR - sold
2015 Nissan GTR





I wouldn't just toss money on it, take it to someone that knows bikes so they can tell you that's the issue. If it was stunted on, the bearings in the triple tree could be hosed as well as a host of fork issues. Landing hard from high speed wheelies and stoppies really takes a toll on forks and bearings in the head.
__________________
My wheelchair doesn't have chicken strips
sigpic
bdmpastx is offline   Reply With Quote
Old 01-06-2014, 11:38 PM   #20
bumblebee
Yeah I'm flippin' YOU off
 
bumblebee's Avatar
 
Join Date: Oct 2006
Location: Pearland
Feedback Rating: (3)
Posts: 12,268


Bike(s):
'74 Suzuki GT380
'82 XS650 StreetTracker
'10 Ducati Streetfighter
'83 Yamaha Seca 900






Quote:
Originally Posted by bdmpastx View Post
I wouldn't just toss money on it, take it to someone that knows bikes so they can tell you that's the issue. If it was stunted on, the bearings in the triple tree could be hosed as well as a host of fork issues. Landing hard from high speed wheelies and stoppies really takes a toll on forks and bearings in the head.
I have a feeling the Op is gonna find that out. It is not all that common to have warped rotors on a street bike.
The 750 I had was a CMRA racebike before I bought it and I only used it for trackdays. It had been ridden seriously hard it's whole life and still had stock rotors. They never warped.
Of course that was the first thing I thought, easy enough to check out. Put it on the stands and spin the tire. Then I tried scrubbing the rotors, then I tried new brake pads. I checked the steering head bearings, all that.
Then somebody suggested the packing/fork adjustment idea.
Twiddled the knobs, carefully of course, and TA DA! it was fixed. (don't do this if you are not familiar with what you are doing. You can make things much worse)

To the OP....
Take it to Patrick at Motorcycles Unlimited first. He told you he would check it out no charge. Don't throw money at it until you know what's wrong.


or not.
__________________
Asphalt is for racing... dirt is for growing potatoes. - J. Diester
When seconds count... the police are only minutes away.
Grow up and be a productive member of society already.
Bevo- "I lack skillz"
bumblebee is online now   Reply With Quote
Liked this post:
Reply


Thread Tools

Advertisement


All times are GMT -5. The time now is 07:12 PM.


MotoHouston.com is not responsible for the content posted by users.
Privacy Policy