General Harley Davidson Chat Forum to discuss general Harley Davidson issues, topics, and experiences.
Sponsored by:
Sponsored by:

Rear brake seems useless

Thread Tools
 
Search this Thread
 
  #61  
Old 03-22-2017, 06:19 PM
0maha's Avatar
0maha
0maha is offline
Seasoned HDF Member
Join Date: Nov 2012
Location: Omaha
Posts: 6,513
Received 4,667 Likes on 1,660 Posts
Default

Originally Posted by bikerlaw
Calm down....? I'm cracking up!
It seems like half these posts are trying to convince the OP that non functioning brakes are perfectly normal. And they are not.


The problem described is not just glazed pads or overly polished disks. Something bigger than that is wrong here.
 
  #62  
Old 03-22-2017, 06:24 PM
RollaMo's Avatar
RollaMo
RollaMo is offline
Grand HDF Member
Join Date: May 2008
Location: Rolla, Missouri
Posts: 4,358
Received 452 Likes on 283 Posts
Default

Originally Posted by bikerlaw
Its irrelevant how much the rear brakes actually do, a rider should be able to slam the brake pedal and lock up the rear wheel at any time (functioning ABS excluded). The very idea that he can stand on the pedal and barely slow down is proof positive there's an issue.
This!

I think most riders agree the front brake does most of the work.

But that does not mean the rear is useless.

As bikerlaw mentions, you should absolutely be able to lock (or activate ABS is equipped) the rear brake.
If you put a lot of pressure on the rear brake pedal and don't feel much happening, something is very wrong.
 
  #63  
Old 03-22-2017, 06:30 PM
Cossack84's Avatar
Cossack84
Cossack84 is offline
Tourer
Join Date: Mar 2015
Location: BlueGrass
Posts: 476
Received 132 Likes on 82 Posts
Default

Originally Posted by bikerlaw
Calm down....? I'm cracking up!
It seems like half these posts are trying to convince the OP that non functioning brakes are perfectly normal. And they are not.
Its irrelevant how much the rear brakes actually do, a rider should be able to slam the brake pedal and lock up the rear wheel at any time (functioning ABS excluded). The very idea that he can stand on the pedal and barely slow down is proof positive there's an issue. And I keep reading posts explaining why thats not out of the realm of "normal". When it couldn't be farther from the truth. On ANY motorcycle, if a rider slams on the rear brake, he should instantly be able to either LOCK UP the rear tire, or activate the ABS. Neither of those two things are happening. There is absolutely nothing relative about it. I mean, holy cow, the title to his post is, REAR BRAKE SEEMS USELESS.
Holly crap your reading comprehension is non existent. Rock on dude
 
  #64  
Old 03-22-2017, 06:35 PM
big- mike's Avatar
big- mike
big- mike is offline
Road Warrior
Thread Starter
Join Date: Feb 2017
Location: farmington michigan
Posts: 1,268
Likes: 0
Received 221 Likes on 139 Posts
Default

I can't remember ever activating the rear abs like I said when I get it back on the road I'm gonna try a gravel road and see if I can get the rear abs to cycle that should tell me something. Would anyone know if I had it on the jack and put it in gear then hit the rear brake should that cycle the abs
 
  #65  
Old 03-22-2017, 06:38 PM
Cossack84's Avatar
Cossack84
Cossack84 is offline
Tourer
Join Date: Mar 2015
Location: BlueGrass
Posts: 476
Received 132 Likes on 82 Posts
Default

Originally Posted by big- mike
I can't remember ever activating the rear abs like I said when I get it back on the road I'm gonna try a gravel road and see if I can get the rear abs to cycle that should tell me something. Would anyone know if I had it on the jack and put it in gear then hit the rear brake should that cycle the abs
I would think that computer might be looking at front wheel speed vs rear and thats how it know when to activate ABS. So just running it on the lift might give you a false result. But again not sure on that one.
 
  #66  
Old 03-22-2017, 06:46 PM
vistavette's Avatar
vistavette
vistavette is offline
Outstanding HDF Member
Join Date: Jul 2009
Location: Las Vegas, NV
Posts: 2,438
Received 183 Likes on 129 Posts
Default

OP: ABS Harley's have to be bled with the Harley scan tool to cycle the ABS system and bleed them correctly. I know others here say BS but that's the deal or they don't work as well (or maybe at all) as they should. Also: Brake fluid needs to be changed every two years as the fluid gets water vapor and reduces the boiling point (great article on this in a recent copy of Motorcycle Consumer News: http://www.motorcycleconsumernews-di...=46&pg=46#pg46).
 
  #67  
Old 03-22-2017, 06:52 PM
Cossack84's Avatar
Cossack84
Cossack84 is offline
Tourer
Join Date: Mar 2015
Location: BlueGrass
Posts: 476
Received 132 Likes on 82 Posts
Default

Originally Posted by upflying
You missed post #24, I said the same thing. Rear brakes on bikes are useless, for a reason. I can't ever recall locking a rear wheel on a bike, my then new 1963 Schwinn Stingray excluded.
I would have to respectfully disagree with that man. Definitely would not go as far as calling them useless, maybe something like "have small effect and should not be relied up on as a primary brake". But I want all of the available traction utilized when needed no matter how little effect they might have. Thats why I love linked brake system on new bikes. Computers are great at being consistent and precise, abs will apply all the force needed to bring viheecle to safe stop with out locking up a wheel.
 
  #68  
Old 03-22-2017, 07:37 PM
bradn's Avatar
bradn
bradn is offline
Road Master
Join Date: Apr 2016
Location: Davenport, IA
Posts: 1,205
Received 216 Likes on 174 Posts
Default

With all due respect to your mechanical prowess... Why don't you just take the bike to a reputable mechanic for a second opinion. Like, maybe you're missing something - and your safety IS potentially at risk here.

Just sayin...
 
  #69  
Old 03-22-2017, 08:19 PM
big- mike's Avatar
big- mike
big- mike is offline
Road Warrior
Thread Starter
Join Date: Feb 2017
Location: farmington michigan
Posts: 1,268
Likes: 0
Received 221 Likes on 139 Posts
Default

If I can't get it to cycle that is what I'm going to do btw nice glide
 
  #70  
Old 03-23-2017, 09:23 AM
Bart van der Meulen's Avatar
Bart van der Meulen
Bart van der Meulen is offline
Road Master
Join Date: May 2010
Location: Rijssen, the Netherlands
Posts: 816
Received 57 Likes on 45 Posts
Default

All folks who think that I am advocating the absence of a rear break need to do his homework in reading. I only mentioned that the force on the rear brakes is much lower than on the front brakes. Therefor, the 'breaking' of the surface of the brake pads on the rotor is mainly obtained the first time breaking with the front brakes. Due to the higher braking forces on that part of the bike. What you normally do with cars (at least here in Europe) is after renewal of your brakepads start driving and make an planned emergency stop. This force will wear off the hard surface of the break pads, we call it 'breaking of the surface'. This is not possible with the rear brakes of our bikes, therefor it is possible (I don'y say: the case) that this new brake pads are not loaded enough to break the surface of the pads during their friction against the rotor. The only thing is dismantle the break pads and take a block with sandpaper and rouhgen the surface of both the new brake pads as the rotor itself. In this way the 'breaking of the surface' is done manually and not by braking. Good chance that the rear brake works properly after. If not, find an expert or a dealer because than something serious is wrong with your system, eg your braking cylinder and/or lines.
 


Quick Reply: Rear brake seems useless



All times are GMT -5. The time now is 05:30 PM.