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Author Topic: Quick question on rear brake pedal play  (Read 1184 times)
big poppa pump
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Posts: 714


San Antonio, TX


« on: January 27, 2015, 02:49:30 PM »

How do I reduce the freeplay in the rear brake. Right now I feel that the travel on the rear brake pedal is more that I want.

Thanks.
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VRCC#35870
VRCCDS#0266
1998 Valkyrie Hot Rod

Chrisj CMA
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Posts: 14783


Crestview (Panhandle) Florida


« Reply #1 on: January 27, 2015, 03:01:19 PM »

How do I reduce the freeplay in the rear brake. Right now I feel that the travel on the rear brake pedal is more that I want.

Thanks.

First check the pads, make sure they aren't worn out, then make sure you have fluid, then you can make fine adjustments under that chrome cover by the right drivers foot peg
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big poppa pump
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Posts: 714


San Antonio, TX


« Reply #2 on: January 27, 2015, 03:11:26 PM »

Just rebuilt the rear caliper last night. Pads have plenty of meat on them. Filled and bled rear brake line as well.
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VRCC#35870
VRCCDS#0266
1998 Valkyrie Hot Rod

Gryphon Rider
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Posts: 5227


2000 Tourer

Calgary, Alberta


« Reply #3 on: January 27, 2015, 03:59:07 PM »

Have you pressed the brake pedal hard a few times (you don't have to be riding)?
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Ricky-D
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Posts: 5031


South Carolina midlands


« Reply #4 on: January 28, 2015, 09:10:50 AM »

Look at the plunger at the m/c and observe the movement.

It could be there is still a bubble of air in the system.

The plunger should not move very much at all. Too

much movement would indicate an air bubble.

***
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2000_Valkyrie_Interstate
brutewing
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Posts: 23


Pulaski wi


« Reply #5 on: January 29, 2015, 08:41:26 AM »

A little off topic but my tail light will not work with the pedal just the hand front brake ??? and ideas on hoe to remedy this (not that its a huge deal)
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1997 red white standard valk batwing and hard bags and a Z900rs 2018 2003 Harley Springer softail past bikes 2003 gold wing candy orange 1996 Harley sportster 1985 Honda ascot by 500 1984 Honda ascot ft 500 1985 Kawasaki 90 offalso.
big poppa pump
Member
*****
Posts: 714


San Antonio, TX


« Reply #6 on: January 29, 2015, 08:48:27 AM »

A little off topic but my tail light will not work with the pedal just the hand front brake ??? and ideas on hoe to remedy this (not that its a huge deal)

Check your brake light spring to see if it is still attached to the brake pedal.
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VRCC#35870
VRCCDS#0266
1998 Valkyrie Hot Rod

brutewing
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Posts: 23


Pulaski wi


« Reply #7 on: January 29, 2015, 09:02:28 AM »

The pedal stays up.... it just wont activate the brake light
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1997 red white standard valk batwing and hard bags and a Z900rs 2018 2003 Harley Springer softail past bikes 2003 gold wing candy orange 1996 Harley sportster 1985 Honda ascot by 500 1984 Honda ascot ft 500 1985 Kawasaki 90 offalso.
Mr.BubblesVRCCDS0008
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Posts: 3025

Huffman, Texas close to Houston


« Reply #8 on: January 29, 2015, 12:10:31 PM »

Little spring between the brakelight switch and the pedal. Adjust by turning plastic nut to move switch back to tighten spring unti it moves enough to close contacts when pedal is depressed.
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brutewing
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Posts: 23


Pulaski wi


« Reply #9 on: January 29, 2015, 12:12:48 PM »

ic 10/4 I will look tonight when I get home
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1997 red white standard valk batwing and hard bags and a Z900rs 2018 2003 Harley Springer softail past bikes 2003 gold wing candy orange 1996 Harley sportster 1985 Honda ascot by 500 1984 Honda ascot ft 500 1985 Kawasaki 90 offalso.
Mr.BubblesVRCCDS0008
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Posts: 3025

Huffman, Texas close to Houston


« Reply #10 on: January 29, 2015, 12:14:40 PM »

Freeplay is adjusted by removing chrome cover by pedal.  Adjust rod length from pedal to master cylinder to add or remove freeplay.
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big poppa pump
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Posts: 714


San Antonio, TX


« Reply #11 on: January 29, 2015, 04:26:37 PM »

Got it working right. Looks like there were some bastard air bubbles trapped in the line. Zip tied the pedal overnight and everything is back to normal. Thanks.
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VRCC#35870
VRCCDS#0266
1998 Valkyrie Hot Rod

Ricky-D
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Posts: 5031


South Carolina midlands


« Reply #12 on: January 30, 2015, 09:06:13 AM »

Freeplay is adjusted by removing chrome cover by pedal.  Adjust rod length from pedal to master cylinder to add or remove freeplay.

Nope.  There is no adjustment for freeplay in the foot brake pedal.

Any observable freeplay would be from the connections themselves wearing out.

The adjustment referred to is for adjusting the foot brake pedal up and down.

A close inspection would reveal this.

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2000_Valkyrie_Interstate
2qmedic
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Posts: 393


Simply Awesome!!!


« Reply #13 on: February 02, 2015, 01:36:49 PM »

An additional note on this topic...
The rear brake pedal adjustment can make it "more or less" sensitive to your rear braking input.
Locking up the rear tire accounts for the loss of control of many "panic" situations.   Cry
The biggest lie in motorcycling is "I laid it down so I wouldn't crash". The actual reason they laid it down is because of locking up the rear wheel, causing loss of control of the motorcycle, and then crashing because of the improper braking techniques. Think about it folks.
To adjust the brake pedal "down", will reduce the brakes sensitivity to input and therefore require more pressure to lock up the rear tire.
Bottom line here is that because it takes more pressure to actually lock up the rear wheel, you will be safer because you didn't loose control from locking up the rear wheel.  Smiley
Before I get a bunch of "Hate mail and flaming death" replies, go and try it and understand what I'm saying here. Think about how easy it is to lock up the rear wheel in the emergency braking situation...or otherwise.
I personally have mine adjusted about one inch lower than stock. I'll take any bit of advantage I can get when it comes to preventing a crash.  
Cheers  Smiley
« Last Edit: February 02, 2015, 01:45:56 PM by 2qmedic » Logged
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