 Brakes
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Joined: Feb 2008
Posts: 91
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I would appreciate if someone can verify if my 03 BA front brake is full floating? I have the Haynes and the Triumph manual, but I see no reference. Not seven sure what they mean by full floating. Thanks
03 America
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Re: Brakes
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Joined: May 2010
Posts: 5,720
Check Pants
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Check Pants
Joined: May 2010
Posts: 5,720 |
Upon close inspection of your rotor, a floating type will be constructed of inner and outer components, stock config. will be one piece. Floating, the outer is typically married to the hard mounted inner by flanged washers. The theoretical advantage is due to the soft mounted mass of the outer will be slightly more immune to warp-age due to heat and the slight amount of give and take for better alignment as to pads and disk. If stock front brakes are in proper condition, at least on my Spmstrs, they are, depending on the rider, true 2-3 finger brakes. High adrenalin, ham fisted front brake pulls adds up to a level 10 pucker condition faster than one can say Hinkley. Been there and done that. So what kind of brake sys. do you have Ray?
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Re: Brakes
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Joined: Feb 2008
Posts: 91
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OP
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Joined: Feb 2008
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Quote:
Upon close inspection of your rotor, a floating type will be constructed of inner and outer components, stock config. will be one piece. Floating, the outer is typically married to the hard mounted inner by flanged washers. The theoretical advantage is due to the soft mounted mass of the outer will be slightly more immune to warp-age due to heat and the slight amount of give and take for better alignment as to pads and disk. If stock front brakes are in proper condition, at least on my Spmstrs, they are, depending on the rider, true 2-3 finger brakes. High adrenalin, ham fisted front brake pulls adds up to a level 10 pucker condition faster than one can say Hinkley. Been there and done that. So what kind of brake sys. do you have Ray?
Well, I will go have a good check but my initial response is a one piece none floating type. Guess I will go see, don't understand why the manuals did not refer to the differences, matter of fact unless I missed it they never mentioned the two different types. Thanks for the reply.
03 America
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Re: Brakes
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Joined: Apr 2007
Posts: 3,063 Likes: 8
Loquacious
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Loquacious
Joined: Apr 2007
Posts: 3,063 Likes: 8 |
I would say that the front caliper is a floating type. The caliper is free to slide on two mounting pins. As the two pistons on one side squeeze a brake pad against the rotor, it causes the caliper to slide the other way on the pins causing the other pad to also press against the rotor. It floats.....but not on water  The stock rotor is fixed though.
12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750
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Re: Brakes
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Joined: Feb 2008
Posts: 91
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OP
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Quote:
I would say that the front caliper is a floating type. The caliper is free to slide on two mounting pins. As the two pistons on one side squeeze a brake pad against the rotor, it causes the caliper to slide the other way on the pins causing the other pad to also press against the rotor. It floats.....but not on water
The stock rotor is fixed though.
Just came in from looking and I was just ready to say the disc is one piece. I still think it is but I did not look closely to the rotor. I'll go check it. Quite honestly I am disappointed that the Triumph factor manual and Haynes did not discuss this, or I just flat missed it. Maybe I ought to take a digital pic?
03 America
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Re: Brakes
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How much should I be able to move the rotor if it is a floating type? It barely moves. The front brake appears to me to be exactly as in the factory manual and the Haynes book, but no reference to floating or fixed. How bout a pic?
03 America
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Re: Brakes
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Joined: Apr 2007
Posts: 3,063 Likes: 8
Loquacious
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Loquacious
Joined: Apr 2007
Posts: 3,063 Likes: 8 |
A floating rotor doesn't really move any more that a fixed one. It is able to better center itself in the caliper whereas the fixed or solid one can't if things aren't aligned perfectly.
A good combo would be to purchase a non floating 4 or 6 piston Brembo caliper and match it to a floating rotor. The fixed caliper has better heat transfer from the caliper to the frame. Since our bikes aren't really performance machines, I can't justify the extra cost.
12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750
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Re: Brakes
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Joined: Feb 2008
Posts: 91
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OP
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Quote:
A floating rotor doesn't really move any more that a fixed one. It is able to better center itself in the caliper whereas the fixed or solid one can't if things aren't aligned perfectly.
A good combo would be to purchase a non floating 4 or 6 piston Brembo caliper and match it to a floating rotor. The fixed caliper has better heat transfer from the caliper to the frame. Since our bikes aren't really performance machines, I can't justify the extra cost.
That's good info and thanks. I am getting pulsing when I just apply the front brake, so I am fairly sure the disc needs turned. Machine shop simply said if it a floating brake they cannot turn it. Thanks
03 America
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Re: Brakes
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Joined: Mar 2009
Posts: 12,964
Stickman Yogi
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Stickman Yogi
Joined: Mar 2009
Posts: 12,964 |
Quote:
[Maybe I ought to take a digital pic?
By posting a picture it would clear things up for sure! 
Live to love, love to live.
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Re: Brakes
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Joined: Mar 2009
Posts: 12,964
Stickman Yogi
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Stickman Yogi
Joined: Mar 2009
Posts: 12,964 |
Here's a picture of a floating rotor. Note the rotor is attached to an inside ring, which in turn is attached to the wheel.  Here's a picture of a regular rotor. Note it is all one piece. 
Live to love, love to live.
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Re: Brakes
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Joined: Feb 2007
Posts: 23,227 Likes: 62
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,227 Likes: 62 |
Pretty good chance they won't be able to turn it true, they don't give you much metal to play with.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: Brakes
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Joined: Apr 2007
Posts: 3,063 Likes: 8
Loquacious
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Loquacious
Joined: Apr 2007
Posts: 3,063 Likes: 8 |
Quote:
Pretty good chance they won't be able to turn it true, they don't give you much metal to play with.
+1
Purchase a new one and save the hastle of doing it twice. In the past, I found turning down rotors that were warped just delayed the inevitable...replace them because they will warp again.
12 Rocket Roadster
03 Bonneville America
69 BSA Firebird Scrambler
73 Yamaha TX 750
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Re: Brakes
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Joined: Feb 2008
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I really appreciate all the inputs, thanks folks. I believe I have the DISC that can be turned. Bad pic I know, had to travel today and took a quick shot. The machine shop said $50.00 to turn, but from what you guys are saying is don't waste the time and money. The machinist did say he would have to mic it first. Quite honestly I am a little disappointed the DISC is giving me trouble, especially at 8K miles. Again, thanks for taking the time to share your advice.
03 America
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Re: Brakes
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Joined: Mar 2009
Posts: 12,964
Stickman Yogi
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Stickman Yogi
Joined: Mar 2009
Posts: 12,964 |
Quote:
Quote:
Pretty good chance they won't be able to turn it true, they don't give you much metal to play with.
+1
Purchase a new one and save the hastle of doing it twice. In the past, I found turning down rotors that were warped just delayed the inevitable...replace them because they will warp again.
Yup!
Live to love, love to live.
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Re: Brakes
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Joined: Feb 2008
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Well thanks to all for taking the time to reply. From the looks of the pic Keith posted I do not have a floating DISC.....thanks Keith. I took a pic but cannot post cause I do not have a www site to place my pic. The machinist did say he would have to mic the rotor, his estimate was $50.00 to turn, but I'll check out a replacement as you folks have suggested. Thanks again, appreciate the advice.
03 America
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Re: Brakes
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Joined: Feb 2007
Posts: 23,227 Likes: 62
Fe Butt
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Fe Butt
Joined: Feb 2007
Posts: 23,227 Likes: 62 |
Was a common problem on the early Americas. Wendy had her rotor warp around the same mileage. Triumph replaced it out of warranty under good will.
I learned all I need to know about life by killing smart people and eating their brains.
Eat right ,Exercise ,Stay fit, Die Anyway!
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Re: Brakes
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Joined: Mar 2009
Posts: 12,964
Stickman Yogi
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Stickman Yogi
Joined: Mar 2009
Posts: 12,964 |
Your welcome, Butch. And what Ian says about early Americas seems to make sense. My front rotor is warped too on my '03. Not so much as it's a problem, but I feel it when I brake.
Live to love, love to live.
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Re: Brakes
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Joined: Nov 2009
Posts: 473
Adjunct
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Adjunct
Joined: Nov 2009
Posts: 473 |
Both front rotors warped on my wife's '07 Speedmaster with only 11000 km (7000 miles). Replaced on warranty with the 2010 Speedmaster style discs. It was really bad and caused the front end to 'bob' up and down. The new rotors are nice and smooth.
H.
Last edited by hyates; 11/01/2011 2:57 PM.
2010 Speedmaster Black/New England White
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Re: Brakes
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Joined: Feb 2008
Posts: 91
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Well, I bought the Bike used in 05 with 1200 miles. It now has a little over 8k and the pulsing is notable. I am traveling now, but I will get this fixed when I return. Had one coil go out also about 18 months ago, other than that the only challenges I have had is the rubber nipples on the carb vacumn ports. Thanks folks
03 America
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Re: Brakes
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Joined: Jul 2011
Posts: 2,212
Oil Expert
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Oil Expert
Joined: Jul 2011
Posts: 2,212 |
they are not floating discs but rigid. Mine went at 6k klm i purchased the EBC floating discs, a bit of a pop at 400 for two on my speedmaster, but they seem to be great discs, very little pressure needed or you will be wrapping your arms around the person in the car ahead of you, you can feel them center up from time to time as well which should help with the warping issue, i learned that many of the front discs on both speedmasters and americas went south very quickly. To soft or something.
PS make sure you replace the pads if you do the discs even if they look like they don't need it.
2007 Speedmaster and miss it!
2013 T-Bird Storm and Luvin it!
Catching a yellow jacket in your shirt at 70 mph can double your vocabulary
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Re: Brakes
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Joined: Feb 2008
Posts: 91
Member
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OP
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Joined: Feb 2008
Posts: 91 |
Quote:
they are not floating discs but rigid. Mine went at 6k klm i purchased the EBC floating discs, a bit of a pop at 400 for two on my speedmaster, but they seem to be great discs, very little pressure needed or you will be wrapping your arms around the person in the car ahead of you, you can feel them center up from time to time as well which should help with the warping issue, i learned that many of the front discs on both speedmasters and americas went south very quickly. To soft or something.
PS make sure you replace the pads if you do the discs even if they look like they don't need it.
Thats good info, thanks. Yes, I will replace the pads concurrent with the disc. At this point, I am pleased I only have one disc 
03 America
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Re: Brakes
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Joined: Jul 2011
Posts: 2,212
Oil Expert
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Oil Expert
Joined: Jul 2011
Posts: 2,212 |
yup one is cheaper for sure. Fasteddy sales the EBC, great guy great service great shipping.....did i say great guy! :-)
2007 Speedmaster and miss it!
2013 T-Bird Storm and Luvin it!
Catching a yellow jacket in your shirt at 70 mph can double your vocabulary
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