my 07 vfr 800 abs does this thing that i am not sure is completely normal. it has done it pretty much since i got it new from the dealer.
when i am stopping at normal surface road speeds i feel a slight vibration coming from the back wheel. i am using the back brake, and was wondering if this is the abs kicking in. if so why does it do it at suck a low speed. i am not locking the brakes up or anything like that. i am just driving normally.
is this something i should have checked out by the dealer?
[image: View Post]Mr. Horsepower, on Oct 17 2008, 06:17 AM, said:
my 07 vfr 800 abs does this thing that i am not sure is completely normal. it has done it pretty much since i got it new from the dealer.
when i am stopping at normal surface road speeds i feel a slight vibration coming from the back wheel. i am using the back brake, and was wondering if this is the abs kicking in. if so why does it do it at suck a low speed. i am not locking the brakes up or anything like that. i am just driving normally.
is this something i should have checked out by the dealer?
Mine is non abs, but if you are not happy with it have the dealer check it out anyway. Build a paper trail of possible issues so later on when the warranty expires you may have a chance of getting it covered since you complained during warranty period. Just be sure you save the dealer service paperwork. Paying for ABS repair out of pocket will need another loan. Good luck.
strange that it seems to be 'kicking in' too early. You could really feel this on my 02 abs when pushing hard in the twisties and it annoyed the hell out of me. But perhaps in your case you defintely need it checking out whilst it's still under warranty.
I have an 08 with abs. I have never felt it do anything like that ever. Although I don't use the rear breaks too often since their linked. Generally when I'm on the rears I usually apply slight pressure. Good luck.
i dont have abs but when i use light rear brake pressure i get a slight vibration.I have been through a few sets of rear pads,bleeding fluid, and cleaning pistons and it still does it so i ignore it.Usually when i feel it i use little more pressure and it goes away.i think its more brake chatter then anything else.
[image: View Post]Mr. Horsepower, on Oct 17 2008, 05:17 AM, said:
my 07 vfr 800 abs does this thing that i am not sure is completely normal. it has done it pretty much since i got it new from the dealer.
when i am stopping at normal surface road speeds i feel a slight vibration coming from the back wheel. i am using the back brake, and was wondering if this is the abs kicking in. if so why does it do it at suck a low speed. i am not locking the brakes up or anything like that. i am just driving normally.
is this something i should have checked out by the dealer?
If your accustomed to firm rearbrake use, I'd say your result is the abs kicking in, the system does breakin over time
I'd do a full flush on the abs models within 5000 miles
04 ABS here, and no vibes from the rear to report.
If I may, I do have related questions to ask. Is there an easy way to test the ABS without putting the bike at risk? What does it feel like when it engages? When I'm out in the snow with my truck, I'll occasionally stomp on it in a safe area just to engage the ABS and get used to it's "feel". No desire to try that on any bike though. :unsure:
Several members including myself have had the same vibration. Putting on new rear pads always seems to fix it. I doubt you are feeling the abs kick in.
that makes a lot of sense..i have since taught myself to rely more on the front brakes since that is where most of the stopping power is anyways. i kind of got used to using the rear brake while i was riding my old cb750 ss since it had a tendency to lock the front wheel up with even the smallest amount of pressure applied. have to re-teach myself, this is my first full streetbike.
19k on the mean streets of Los Angeles and I can tell you that the ABS is really, *really* transparent. My BMW car, when I owned it, pulsed a hell of a lot more than the VFR does.
The bike does *not* pulse in any way. Your issue, in my opinion, is a more mundane disc, rotor or line element. My petit 2 cents.
Having tested my ABS extensively and having needed it once "for real" it isnt a violent action but one that is definite in its ability to stop the bike. I use the rear brake alot in regular day to day riding. I find that a combination of both front and back when coming to a controlled stop at a stop light or the such is the most efficient way to brake the bike. Now with that being said I have never had any sort of rear brake/wheel oscillations while doing this. I am a firm beleiver in ABS and wouldn't hesitate to have the system looked at by a professional if I felt it wasn't operating perfectly. A bit of advice is to get familiar with the system and how it will affect the bike. Don't be afraid to engage the ABS from time to time just to ensure its operation and your level of comfort with it. The best way I've found is on a clean piece of tarmac perhaps a well swept parking lot get the bike up to about 50km/h and in a straight line come onto the brakes for all you're worth. Don't hesitate while doing this for it may effect the engagement of the system. Not only will this practice your braking skills it will check out the bike and it's ABS. Remember its always there if you need it but you really dont want the first time its tried to be the real thing.
definately some great advice. i remember the first time i had a car with abs and the first time i tried it out it actually freaked me out as i was used to the way an old car handled when braking.
[image: View Post]Mr. Horsepower, on Oct 27 2008, 05:40 PM, said:
definately some great advice. i remember the first time i had a car with abs and the first time i tried it out it actually freaked me out as i was used to the way an old car handled when braking.
I remember when mine was new ,the brakes where hissing all over the place, functioned fine though, all my fluid was black fairly quickly, a full flush at 2000 mile mark, and several mini flushes aftewards. after 15,000 mile stuff started running much cleaner. i just drain the resiovors every couple months nowdays.
This bike does some wierd stuff in the early miles, do the maintenance and give a few thousand miles
do the clutch too , that one will sludge even quicker than the brakes
[image: View Post]spud786, on Oct 27 2008, 05:22 PM, said:
[image: View Post]Mr. Horsepower, on Oct 27 2008, 05:40 PM, said:
definately some great advice. i remember the first time i had a car with abs and the first time i tried it out it actually freaked me out as i was used to the way an old car handled when braking.
I remember when mine was new ,the brakes where hissing all over the place, functioned fine though, all my fluid was black fairly quickly, a full flush at 2000 mile mark, and several mini flushes aftewards. after 15,000 mile stuff started running much cleaner. i just drain the resiovors every couple months nowdays.
This bike does some wierd stuff in the early miles, do the maintenance and give a few thousand miles
do the clutch too , that one will sludge even quicker than the brakes
Are the clutch and brakes hard to do? I've always been intimidated by them but now I want to do them as well as a coolant flush on my new to me 2002.
I can handle the oil change. Hell I even installed a PCIII and synched my throttle bodies on past bikes but this bleedin thing makes me tense. :)
Well the draining and refilling of the resoviors routinally, is done just to maintain the system, without having the fluid deteriorate so bad you have to do a full flush again.
I prefer a manual flush as I've seen too many end up with issues, using those fluid devices. Its not bad that way, but there is an order in bleeding each nipple, that you have to follow.
The clutch is a pain to bleed IMO , I'd definitely start it on a routine resovior renewal diet
doing the front brake resovoir, side stand use is best, the clutch resovior, the center stand use is best, this basically levels out the resviors so they arent at an angle.
[image: View Post]spud786, on Oct 27 2008, 08:04 PM, said:
Well the draining and refilling of the resoviors routinally, is done just to maintain the system, without having the fluid deteriorate so bad you have to do a full flush again.
I prefer a manual flush as I've seen too many end up with issues, using those fluid devices. Its not bad that way, but there is an order in bleeding each nipple, that you have to follow.
The clutch is a pain to bleed IMO , I'd definitely start it on a routine resovior renewal diet
Oh, I thought you always had to bleed them after filling them no matter what. I'll take a look though the how-to forum. I just found it. :)