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Author Topic: Rear Pads ??  (Read 2687 times)
TheSpadMan
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I Refuse to Tip-Toe Through Life !!!

Taylors, SC


« on: April 30, 2011, 10:45:54 AM »

AutoZone has the rear pads for 97 to 99 only. Are the rear discs different 2000 to 03 ?? Inquiring minds need to know.  By the way, Honda Stealer $70. for the front, pads only. AutoZone $20.....  crazy2

Which would you do?   tickedoff

Bill

Are the rear pads different 97 to 03, or are they the same???
« Last Edit: April 30, 2011, 12:25:55 PM by TheSpadMan » Logged
X Ring
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VRCC #27389, VRCCDS #204

The Landmass Between Mobile And New Orleans


« Reply #1 on: April 30, 2011, 12:30:13 PM »

AutoZone is selling bike parts now other than oil & filters?

Marty
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TheSpadMan
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I Refuse to Tip-Toe Through Life !!!

Taylors, SC


« Reply #2 on: April 30, 2011, 12:34:54 PM »

 cooldude Yeppers !!  Brake pads for some bikes. Made by, or ordered thru Performance Plus Brakes, Newhall, California.  $20 for both sets of front, 9.99 a pair and same for the rear. If this is the same bike 97 thru 03.  laugh

Bill
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lucky_1_chris
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Arlington, TX


« Reply #3 on: April 30, 2011, 01:38:20 PM »

cooldude Yeppers !!  Brake pads for some bikes. Made by, or ordered thru Performance Plus Brakes, Newhall, California.  $20 for both sets of front, 9.99 a pair and same for the rear. If this is the same bike 97 thru 03. laugh

Bill

I think the I/S uses different rear pads, other than that they're all the same. HDL sells the same pads for all Valks with the exception of the I/S rear.
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1999 Valkyrie Interstate

2016 Victory Cross Country Tour
TheSpadMan
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I Refuse to Tip-Toe Through Life !!!

Taylors, SC


« Reply #4 on: April 30, 2011, 02:10:54 PM »

The guy at the counter showed the computer to me and they only listed the rear brake pads for 97 to 99. Not 00 to 03. I have an 03 Standard. That is why I am asking if the rear pad is the same for all 6 years or not. They didn't list any differences and I just dont know. uglystupid2  The computer did list the front pads as 97 to 03, but not the rear pads, for some reason.

Thanks,

Bill
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lucky_1_chris
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Arlington, TX


« Reply #5 on: April 30, 2011, 03:30:38 PM »

The guy at the counter showed the computer to me and they only listed the rear brake pads for 97 to 99. Not 00 to 03. I have an 03 Standard. That is why I am asking if the rear pad is the same for all 6 years or not. They didn't list any differences and I just dont know. uglystupid2  The computer did list the front pads as 97 to 03, but not the rear pads, for some reason.

Thanks,

Bill

Rear pads for the standard/toured are the same all years. I think they'll fit the I/S too, but the Honda part number for the rear I/S pads is different.
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2016 Victory Cross Country Tour
fudgie
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Huntington Indiana


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« Reply #6 on: May 01, 2011, 07:24:55 AM »

I might be wrong but the only differance tween the I/S and other pads are they have the foam/paper and metal insert? Or its the other way around. I heard I/S pads were cheaper.
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valkyriemc
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2000 blu/slvr Interstate, 2018 Ultra Limited

NE Florida


« Reply #7 on: May 01, 2011, 09:13:07 AM »

These (Honda OEM pads) are for my I/S in the near future;
« Last Edit: May 01, 2011, 09:36:20 AM by valkyriemc » Logged

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PhredValk
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Edmonton, Alberta, Canada


« Reply #8 on: May 01, 2011, 09:27:46 AM »

But do they work well? I bought the cheaper (can't remember the brand) pads from the dealer (he had them in stock and would have to order the OEM pads) when my rear pads started singing. The braking isn't as strong. I will be bleeding them when I change tires this week, and that may be the problem. Isn't there a brand of pads that only work well with that brand rotors?
Fred.
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VRCCDS0237
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« Reply #9 on: May 01, 2011, 11:18:40 AM »

Conventional wisdom is you match pads to rotors.  EBC pads go with EBC rotors and OEM pads go with OEM rotors.

Marty
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hubcapsc
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upstate

South Carolina


« Reply #10 on: May 03, 2011, 07:09:35 AM »

I think the I/S uses different rear pads, other than that they're all the same.

Interstate rear calipers are different from STD/Tourer calipers... besides being black  Wink they have smaller
diameter pistons. Don't ask me why the larger bike has the smaller pistons...

People have said that the pads are the same...

-Mike
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Ricky-D
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South Carolina midlands


« Reply #11 on: May 03, 2011, 07:36:37 AM »

I think the I/S uses different rear pads, other than that they're all the same.

Interstate rear calipers are different from STD/Tourer calipers... besides being black  Wink they have smaller
diameter pistons. Don't ask me why the larger bike has the smaller pistons...

People have said that the pads are the same...

-Mike

Smaller piston area will result in more pressure to the pads when compared to larger piston area using the same master cylinder.

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2000_Valkyrie_Interstate
mirion
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1997 Std - 2000 IS

Frankenmuth, Michigan


« Reply #12 on: May 03, 2011, 09:20:42 AM »


Smaller piston=less square inches=less pounds of force per pound of hydraulic pressure.
Smaller piston area does not result in more pressure to the pads
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Ricky-D
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South Carolina midlands


« Reply #13 on: May 03, 2011, 02:19:51 PM »

Well you're right and I am wrong!

I knew there is a reason for the different size and my first guess was incorrect.

Ok, here's the reason (second volley). 

Because the thicker brake pads of the rear brake necessitate a longer push and in order to get that from a set master cylinder volume, Honda decided to make the piston/cylinder a bit smaller thereby achieving a greater travel of the piston for the same amount fluid passed. This is not to say the piston travels a longer stroke but only to say the smaller pistons will allow for a longer travel overall.

How does that sound?

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2000_Valkyrie_Interstate
gordonv
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VRCC # 31419

Richmond BC


« Reply #14 on: May 03, 2011, 04:15:45 PM »

Perfect.
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1999 Black with custom paint IS

mirion
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1997 Std - 2000 IS

Frankenmuth, Michigan


« Reply #15 on: May 03, 2011, 07:46:15 PM »

The piston doesn't travel any further than the pad wear allows, when you release the brake lever or pedal the piston does not retract,  the fluid pressure relaxes. The fluid resevoir is there to keep the system full as the pads wear and the piston extends farther and farther out.

If the slave pistons are actually a smaller diameter on the I/S, I still haven't heard a logical reason for it yet.
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aslondon
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VRCC #4321

Monticello, Fl


« Reply #16 on: May 04, 2011, 04:30:59 AM »

They could save a dollar!

Al
Vrcc 4321
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currahee2-6
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RIDIN THE DRAGON'S TAIL IN NOVEMBER!

Margate, Florida


« Reply #17 on: May 04, 2011, 08:39:55 PM »

smaller piston surface area equals more force (psi) with same brake line pressure than a larger pad. A 100 pound woman in high heels exerts more "focused" psi (not just more pressure) in a tiny heel than she would wearing a boot heel)  OR: garden hose example...smaller tip gives harder stream than just an open hose with the same static pressure from the water line.   coolsmiley

Thats my 'pinion and im stickin to it..... Cheesy
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GOOSE
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Southwest Virginia


« Reply #18 on: May 04, 2011, 11:27:48 PM »

the rear caliper on a 99 is is not necessarily always black.....i've got a swingarm with the final drive attached with drive shaft/axle/spacer/and caliper attached....from a 99 is...just bought it from a friend who bought the bike new in 99, and drove it 21 miles before he triked it.  the bottom line here is the rear caliper is silver colored.  they have discontinued the rear caliper for a IS.
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hubcapsc
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upstate

South Carolina


« Reply #19 on: May 05, 2011, 03:48:49 AM »

the rear caliper on a 99 is is not necessarily always black.....i've got a swingarm with the final drive attached with drive shaft/axle/spacer/and caliper attached....from a 99 is...just bought it from a friend who bought the bike new in 99, and drove it 21 miles before he triked it.  the bottom line here is the rear caliper is silver colored.  they have discontinued the rear caliper for a IS.

Stanley Steamer's is one of those green and silver ones... isn't that 99? Do you know
what color your friend's Interstate was?

-Mike "now I'll be looking behind Interstate saddlebags...  uglystupid2 "
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roboto65
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Conroe,TX


« Reply #20 on: May 05, 2011, 04:56:56 AM »

I have a 99 IS it was green and silver  laugh and the rear caliper is Silver..
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Allen Rugg                                                       
VRCC #30806
1999 Illusion Blue Valkyrie Interstate
1978 Kawasaki KZ 650 project
roboto65
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Conroe,TX


« Reply #21 on: May 06, 2011, 08:43:10 AM »

Any news on the pads did they come in yet and how do they look?
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Allen Rugg                                                       
VRCC #30806
1999 Illusion Blue Valkyrie Interstate
1978 Kawasaki KZ 650 project
mirion
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Posts: 254

1997 Std - 2000 IS

Frankenmuth, Michigan


« Reply #22 on: May 06, 2011, 09:56:39 AM »

smaller piston surface area equals more force (psi) with same brake line pressure than a larger pad. A 100 pound woman in high heels exerts more "focused" psi (not just more pressure) in a tiny heel than she would wearing a boot heel)  OR: garden hose example...smaller tip gives harder stream than just an open hose with the same static pressure from the water line.   coolsmiley

Thats my 'pinion and im stickin to it..... Cheesy


This question of Force vs piston size is basic physics, Pascal defined it in the 1600's.
If PSI stays the same then the larger the piston the larger the force.

A 200 pound womens puts out more force on that same heel than the 100 lb women, same as increasing the PSI.
The smaller nozzle example has nothing to do with hydraulic force, it is a orifice calculation of PSI vs orifice size, but again the more psi, the farther the hose will squirt.
If you still don't believe it try this site and progressively change the piston or the pressure and see the effect on force.
http://www.knighthawksupply.com/calccylforce1.htm

Or this site for a step by step description
http://www.wisc-online.com/objects/ViewObject.aspx?ID=HYP504
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