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TOPIC: Re:Rear Brake Calipers
#1025975
Questcap (User)
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Rear Brake Calipers 1 Week, 3 Days ago  
Hey, I'm in need of rebuilding or replacing a rear brake caliper on an '01. The rear looks to have 4 pistons in it, and 2 are badly seized.

I went on eBay to shop for a good used replacement, and the lowest cost rear was said to be from an '05... But, it only had 1 large piston, not 4. Did Yamamama put a different rear caliper on later model Road Stars?

And, like so much other stuff, if they did, is it a direct, bolt-on replacement for my older 4-piston rear caliper?

Inquiring minds want to know!
 
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#1025978
davej (User)
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Re:Rear Brake Calipers 1 Week, 3 Days ago  
Questcap wrote:
Hey, I'm in need of rebuilding or replacing a rear brake caliper on an '01. The rear looks to have 4 pistons in it, and 2 are badly seized.

I went on eBay to shop for a good used replacement, and the lowest cost rear was said to be from an '05... But, it only had 1 large piston, not 4. Did Yamamama put a different rear caliper on later model Road Stars?

And, like so much other stuff, if they did, is it a direct, bolt-on replacement for my older 4-piston rear caliper?

Inquiring minds want to know!


If you look in the Yamaha Roadstar parts fiche there is not an optional 1 piston caliper for the rear of our bikes. They only used 4 piston calipers. It does appear that a Warrior used a single piston caliper.
 
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#1025981
Questcap (User)
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Re:Rear Brake Calipers 1 Week, 3 Days ago  
Dave,

I don't know how I would do that, but I take it you are saying... the '05 single-piston Warrior caliper IS a direct bolt-on replacement for my '01 4-pot R* caliper?
 
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Last Edit: 2017/12/01 07:32 By Questcap.
 
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#1025982
jd750ace (User)
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Re:Rear Brake Calipers 1 Week, 3 Days ago  
Nope. Warrior mounting is different and the warrior uses a smaller disc.
 
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#1025983
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Re:Rear Brake Calipers 1 Week, 3 Days ago  
Thank you... found another, said to be in good working order for the R*... only $33. Good deal! Really appreciate the quick responses here... always been one of the top benefits of being a Clinic member.
 
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Re:Rear Brake Calipers 1 Week, 3 Days ago  
Questcap wrote:
Dave,

I don't know how I would do that, but I take it you are saying... the '05 single-piston Warrior caliper IS a direct bolt-on replacement for my '01 4-pot R* caliper?


No I'm not saying it is a bolt on. All I'm saying is that a 05 Warrior has a single piston caliper and our R*'s have a 4 piston caliper and I'll go further in saying I don't think there would be any reason to try to modify the bike to make it work.
 
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#1026012
Shores (User)
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Re:Rear Brake Calipers 1 Week, 3 Days ago  
I thought our bikes have a 2 piston caliper? Isn’t one pad static and the other is moved by 2 pistons?
 
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#1026070
texasscott1 (User)
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Re:Rear Brake Calipers 1 Week, 2 Days ago  
The 99-03 models had that setup on the front. The Vstars still use the sliding caliper setup. The rear on all of the Road Stars is the same as the front on the 04's and up.

The one pad on the sliding caliper isn't necessarily static, the caliper moves with the pistons so that both pads are applied equally. It's actually a very good setup - don't know why Yamaha changed it.
 
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Re:Rear Brake Calipers 5 Days, 12 Hours ago  
The rotor wasn't too very good either... just scored a brand new Yami rear rotor for $138.57. May not have been any great bargain, but my bike is an '01, and a new Yami rotor, the way I use the rear brakes, ought to last the rest of my riding days... so, for me, I see it as a smart value!

The caliper is here... and, lo, and behold, it had what looked to be a set of brand new pads in it! The bike's now inside, and ready to be torn down... I'm pretty sure I have a braided stainless hose I can put on now, too!

Time to squeeze the pistons, and make sure they move easily....
 
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