what if you feel bike goes not straight - Discuss what if you feel bike goes not straight on CBRXX, the ultimate on-line community for Honda motorcyclists. Read it in General CBR XX Discussion. (General Discussion of the Honda CBR 1100 XX Super Blackbird that does not fit into the other specific forums.)

wowerman · 10-14-2008, 4:16 PM

I did notice it when bought my xx.It is 2000 model registred in 2001.
I have noticed that my bird goes not straight.Bike has been measured by laser tools in honda service if frame is straight.Tests shown there is nothing wrong with frame.I have checked front suspension,changed oil and still the same.I have even tryed to setup rear wheel to be straight and ....point this wheel more right to eliminate action where drive wheel can be reason for that.Can it be worn or bad working rear shock or one of tyres?
They heve been balanced by previous owner.What can I look at or what to check?Tyres?Any services can check front suspension?Maybe one of front shocks work differently?There is no leaks.
When changed oil noticed that one spring is shorter than other about 2mm.I spoke to my motorbike mechanic friends and they said can not be reason.I have even swaped them and the same feeling.What to do?

heisti · 10-14-2008, 6:14 PM

get you some new tires...

CanadianBird · 10-15-2008, 7:40 AM

Take her to John at Jaws. Yes, I'd start with new tires. How off is she? Do you draw a straight line on the ground and wheel the bike and she moves off to the left or right or what? Wheels are balanced? Sorry I can't really help here try other sites, same question.

wowerman · 10-15-2008, 2:08 PM

I have wrote above that wheels are balanced.How can you check bike with line on ground and wheel bike on it?There will be no speed.

heisti · 10-15-2008, 5:15 PM

balanced but not symetrical - i bet!

shspirit · 10-16-2008, 12:01 PM

sounds right, my tires are bald and i get some headshake scrubbin speed for corners and on the turn-in. i'd invest in the new rubber before anything else.

BMahar · 10-16-2008, 11:42 PM

Perhaps your tires are wearing unevenly due to the crown of the road. All roadways are higher in the center to allow for water run-off.

CanadianBird · 10-17-2008, 6:27 AM

Brit roads are tough on tires and what works in NA or Canada or Auz and NZ etc may not work else where. Jaws swears by Avon Storms, I've ridden them and they are an excellent tire. I'm finishing the season on Pirelli's and on our roads I highly recommend them. I've flattened them but lots of side tread and I even saved the chicken strips. Good luck on sorting out your problems.

wowerman · 11-08-2008, 11:15 AM

Hi guys.Service did change my front tyre today.They pumped rear tyre up coz was low pressure.I have to change rear tyre soon because is worn.Anyway still the same strange feeling.
Hopefully when rear tyre get changed ,it will terminate my problem.
BTW.I bought Metzeler 120/60zr17 sportec M1.

Strek · 11-08-2008, 12:06 PM

I was thinking tires. Front would have been more likely.

ArmyStrong · 11-09-2008, 7:40 AM

Quote:

Originally Posted by Strek

I was thinking tires. Front would have been more likely.

wowerman · 11-09-2008, 9:13 AM

My rear tyre is flat in the middle,you can feel steps.So what does it mean?Can it be a reason or it is just worn?

SilverBrd · 11-11-2008, 1:02 AM

Put you a new boot on the rear and she will straighten up for you.. I think that the flat spot is your problem.

wowerman · 03-12-2009, 4:56 PM

Both tyres changed,still the same problem.I have to bend bike to right to eliminate bike pulling to left.
I'm going to go to service to do laser wheel alignment Tomorrow or Saturday and we will see if this was a main problem.What if not?
Can not wait to meet the true.

heisti · 03-12-2009, 5:07 PM

maybe the swingarm has a tilt???

wowerman · 03-12-2009, 5:11 PM

1st serwis will do laser adjusting and....we well see

birdfarmer · 03-12-2009, 5:17 PM

are you sure this bike hasn't been in an accident before?

heisti · 03-12-2009, 5:26 PM

when i was young i had the same problem with my bicicle and later with a moped (50cm³) - i remember the steering fork and a rear wheel that wasn´t in the middle were the problems. don´t ask what problem on what vehicle

Banshee · 03-12-2009, 6:12 PM

How did you align the rear wheel? By the marks on the swingarm? Mine are off by ~2mm! If you are able, a quick test is to wheel the bike along a straight line on the ground as mentioned by Canadianbird. You start at one end & wheel it along the line, keeping the front centered on it. When you get to the end, if the wheels are properly aligned, the rear will be centered on the line as well. If it isn't on the line the rear is out of alignment.

I use a stringline to align my rear as per the method I described in this thread, in post 54: Crooked Front Fairing

You said you checked the forks, do you mean you checked to make sure they are parallel? That can also cause the problem, if they are slightly twisted.

Logoman · 03-12-2009, 11:53 PM

Sounds like forks to me. One could be tweaked or just held in the triple clamps improperly.

10-14-2008, 6:14 PM	#2
heisti Heistimeister Join Date: Feb 22 2008 Location: Enns, Austria Age: 39 Posts: 6,371	Re: what if you feel bike goes not straight get you some new tires... __________________ have a nice trip video: youtube \| project: carbon \| chat: here 98058km

10-15-2008, 7:40 AM	#3
CanadianBird Join Date: Nov 25 2006 Location: Vancouver BC Canada Posts: 5,058	Re: what if you feel bike goes not straight Take her to John at Jaws. Yes, I'd start with new tires. How off is she? Do you draw a straight line on the ground and wheel the bike and she moves off to the left or right or what? Wheels are balanced? Sorry I can't really help here try other sites, same question.

10-15-2008, 2:08 PM	#4
wowerman Join Date: Dec 12 2007 Location: London Age: 33 Posts: 105	Re: what if you feel bike goes not straight I have wrote above that wheels are balanced.How can you check bike with line on ground and wheel bike on it?There will be no speed.

10-15-2008, 5:15 PM	#5
heisti Heistimeister Join Date: Feb 22 2008 Location: Enns, Austria Age: 39 Posts: 6,371	Re: what if you feel bike goes not straight balanced but not symetrical - i bet! __________________ have a nice trip video: youtube \| project: carbon \| chat: here 98058km

10-16-2008, 12:01 PM	#6
shspirit Join Date: Oct 13 2008 Location: lecanto, FL Age: 27 Posts: 35	Re: what if you feel bike goes not straight sounds right, my tires are bald and i get some headshake scrubbin speed for corners and on the turn-in. i'd invest in the new rubber before anything else.

10-16-2008, 11:42 PM	#7
BMahar Join Date: Sep 10 2008 Location: North Fork, CA Posts: 13	Re: what if you feel bike goes not straight Perhaps your tires are wearing unevenly due to the crown of the road. All roadways are higher in the center to allow for water run-off.

10-17-2008, 6:27 AM	#8
CanadianBird Join Date: Nov 25 2006 Location: Vancouver BC Canada Posts: 5,058	Re: what if you feel bike goes not straight Brit roads are tough on tires and what works in NA or Canada or Auz and NZ etc may not work else where. Jaws swears by Avon Storms, I've ridden them and they are an excellent tire. I'm finishing the season on Pirelli's and on our roads I highly recommend them. I've flattened them but lots of side tread and I even saved the chicken strips. Good luck on sorting out your problems.

11-08-2008, 11:15 AM	#9
wowerman Join Date: Dec 12 2007 Location: London Age: 33 Posts: 105	Re: what if you feel bike goes not straight Hi guys.Service did change my front tyre today.They pumped rear tyre up coz was low pressure.I have to change rear tyre soon because is worn.Anyway still the same strange feeling. Hopefully when rear tyre get changed ,it will terminate my problem. BTW.I bought Metzeler 120/60zr17 sportec M1. Last edited by wowerman; 11-08-2008 at 11:33 AM.

11-08-2008, 12:06 PM	#10
Strek Moderator Join Date: Jun 25 2007 Location: Chicago, Illinois Posts: 5,215	Re: what if you feel bike goes not straight I was thinking tires. Front would have been more likely.

11-09-2008, 9:13 AM	#12
wowerman Join Date: Dec 12 2007 Location: London Age: 33 Posts: 105	Re: what if you feel bike goes not straight My rear tyre is flat in the middle,you can feel steps.So what does it mean?Can it be a reason or it is just worn?

11-11-2008, 1:02 AM	#13
SilverBrd TEDZXX Join Date: Jan 22 2008 Location: Lockhart, Texas Age: 45 Posts: 1,777	Re: what if you feel bike goes not straight Put you a new boot on the rear and she will straighten up for you.. I think that the flat spot is your problem. __________________ 02 Silver Bird, Throttlemeister, HID's, D&D Show and Go full system exhaust, Zero Gravity Double Bubble, Power Commander, Speedohealer, Corbin seat, Lowered foot pegs & more Mods to come!!!

03-12-2009, 4:56 PM	#14
wowerman Join Date: Dec 12 2007 Location: London Age: 33 Posts: 105	Re: what if you feel bike goes not straight Both tyres changed,still the same problem.I have to bend bike to right to eliminate bike pulling to left. I'm going to go to service to do laser wheel alignment Tomorrow or Saturday and we will see if this was a main problem.What if not? Can not wait to meet the true.

03-12-2009, 5:07 PM	#15
heisti Heistimeister Join Date: Feb 22 2008 Location: Enns, Austria Age: 39 Posts: 6,371	Re: what if you feel bike goes not straight maybe the swingarm has a tilt??? __________________ have a nice trip video: youtube \| project: carbon \| chat: here 98058km

03-12-2009, 5:11 PM	#16
wowerman Join Date: Dec 12 2007 Location: London Age: 33 Posts: 105	Re: what if you feel bike goes not straight 1st serwis will do laser adjusting and....we well see

03-12-2009, 5:17 PM	#17
birdfarmer Join Date: Nov 10 2007 Location: Sussex, New Brunswick, Canada Age: 42 Posts: 113	Re: what if you feel bike goes not straight are you sure this bike hasn't been in an accident before? __________________ Ain't no bird like a blackbird.

03-12-2009, 5:26 PM	#18
heisti Heistimeister Join Date: Feb 22 2008 Location: Enns, Austria Age: 39 Posts: 6,371	Re: what if you feel bike goes not straight when i was young i had the same problem with my bicicle and later with a moped (50cm³) - i remember the steering fork and a rear wheel that wasn´t in the middle were the problems. don´t ask what problem on what vehicle __________________ have a nice trip video: youtube \| project: carbon \| chat: here 98058km

03-12-2009, 6:12 PM	#19
Banshee Join Date: Jun 21 2007 Location: Springwood, West of Hell (Sydney), Australia Age: 43 Posts: 1,169	Re: what if you feel bike goes not straight How did you align the rear wheel? By the marks on the swingarm? Mine are off by ~2mm! If you are able, a quick test is to wheel the bike along a straight line on the ground as mentioned by Canadianbird. You start at one end & wheel it along the line, keeping the front centered on it. When you get to the end, if the wheels are properly aligned, the rear will be centered on the line as well. If it isn't on the line the rear is out of alignment. I use a stringline to align my rear as per the method I described in this thread, in post 54: Crooked Front Fairing You said you checked the forks, do you mean you checked to make sure they are parallel? That can also cause the problem, if they are slightly twisted.

03-12-2009, 11:53 PM	#20
Logoman Join Date: Nov 02 2006 Location: SW Florida Age: 53 Posts: 383	Re: what if you feel bike goes not straight Sounds like forks to me. One could be tweaked or just held in the triple clamps improperly.