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Thread: 14R front rotors

Created on: 08/15/19 01:19 PM

Replies: 9

zx9rmal



Joined: 03/22/12

Posts: 63

14R front rotors
08/15/19 1:19 PM

I bought my 14R in 2012. OEM rotors warped after a year. I do not race and do not abuse the brakes. I eventually replaced them with EBC's. They warped as well. I was later told the EBC's are crap.

Does anyone have FIRST HAND experience with a good quality set of rotors, at a reasonable price that will not warp under normal use? My shop is recommending Brembo Supersports. Any other suggestions? Thanks.



Mal
Ft. Lauderdale, FL
'12 ZX-14R

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piken


piken's Gravatar

Location: Phoenix, AZ

Joined: 08/27/15

Posts: 578

RE: 14R front rotors
08/15/19 2:23 PM

I know what I would do..... Get another set of OEM rotors off Ebay.

Also the ZX10 2006-2015? rotors fit too. 14 and 10 have same bolt pattern and 310mm

Should be able to find clean set for $75-$100

I just got a set of ZX10 rotors from a 2009 zx10 $75 to put on my 2006 ZX10
I converted them over to full floating and they are 310mm vs 300mm on the 2006

Same zx10 vs zx14, more sets available for the zx10 that's why I mention the zx10 rotors

Anyway you can check one of the sites to see what rotors fit what bikes, like the
brembo site will list them.

No way I'd be spending $500+, that;s me I'm cheap and also the OEM rotors made by Sunstar
are very good rotors.


* Last updated by: piken on 8/15/2019 @ 2:33 PM *

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Danno


Danno's Gravatar

Location:

Southwestern Illinois

Joined: 12/18/11

Posts: 2138

RE: 14R front rotors
08/15/19 3:13 PM

I have had good luck with Braking and Galfer rotors, but they are spendy. I have heard good and bad about EBC. A buddy replaced his warped rotors with Chinese knock-offs and they worked fine and didn't warp. Don't waste time and money on stock rotors unless you like do-overs.



'07 CPB Blue; ZGST windscreen with MRA X-screen adjustable spoiler, tube bar adaptor, PC III, ATRE,BMC air filter, modified stock seat with 2nd Look cover,Scorpion Flame Ti slip-ons, Galfer rotors front and rear, braided-stainless lines, C-F 10R front fender, C-F hugger, C-F inner fairing panels, painted foreman's fins with faux C-F inlay, polished rim lips wired for heated gear and accessories, Givi V35 side bags and E41 topcase with SW-Motech qd mounts

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piken


piken's Gravatar

Location: Phoenix, AZ

Joined: 08/27/15

Posts: 578

RE: 14R front rotors
08/15/19 3:56 PM

Don't waste time and money on stock rotors unless you like do-overs.

Sorry, just not true.

He already went aftermarket and has a do over!

I don't know, 50+ years dirt, street and track and I have yet to have a warped rotor.
Lucky I guess.

I think people mistake uneven pad transference as warped rotors. Using wrong pads and
riding softly on performance pads, etc. and then after replacing rotors it just happens
to them again.

For new, Brembo would be my first choice (and I'd go oversize 330mm) Galfer good stuff too.
Nothing EBC or Chinese.

Maybe try sending you current rotors to Truedisk https://truedisk.net/
and see if they can regrind. If they are truly warped they will tell you and
not regrind.

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chrly


chrly's Gravatar

Joined: 07/10/15

Posts: 972

RE: 14R front rotors
08/15/19 5:06 PM

Started riding in the 60s....no bent rotors...I agree with Piken... Only adding that it is very possible that while off teh bike , rotors could be damaged by tire change etc.

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Hub


Hub's Gravatar

Joined: 02/05/09

Posts: 12087

RE: 14R front rotors
08/15/19 8:00 PM

Cock the bike on the side stand so the front wheel is off the ground. Hold the front brake lever and release. Have someone spin the front wheel or kick at it from the top down and move it that way.
1. Does it spin and stop?
2. Does it drag a lot and hardly makes a 360° spin if at all?
3. Do you change brake fluid every 2 years since you've owned it?
Water is heavier than oil so the boiling of oil, like, what is in that bubble? Oxygen, air, condensation. That drops to the bottom, moves under the 4 square sided rubber ring called a quad-ring. Piston moves out, quad moves out of the groove sorta, water gets under and crystallizes. This moves the ring up against the piston. The quad [did] at one time go back to square and pull the piston back as memory moves it back into the groove. Make sense about old brake fluid and piston drag?
4. Do you rest your hand over the front lever?
With no drag, this is more and ever so slightly running the pucks out some, but not enough to affect braking, as in dragging the bike down.
5. Do you hit the brakes for a long time or do you go right up to that stopping point with a fast bite of the brakes?
You cook parts keeping the brake on for so long. If you wait to the last moment, that's less friction time warming up things.



Tormenting the motorcycling community one post at a time

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Rook


Rook's Gravatar

Joined: 03/28/09

Posts: 19087

RE: 14R front rotors
08/18/19 8:56 AM

The brakes drag on both of my bikes after they sit a while. That's not unusual, the brake fluid pressure pushes the pistons out after it sits a while. Are the rotors dragging even after you have ridden the bike? Do they get hot even if you don't use the brake? Do you feel a wobble in the steering? If you are just hearing a scraping noise as you roll the bike before startup, that's normal.



'08 MIDNIGHT SAPPHIRE BLUE flies out, full Tsukigi Cannon exhaust, BMC race filter, Muzzy's block off plates, Super Sprox 17t output sprocket, AFM 45t rear sprocket, EK zzz 530 chain, Gilles Tooling axle adjusters, PC5, Romans map, AT-200, Ignition Module, LCD-200, Speedohealer V4, Glow-Shift gauges, Illumiglow 210 mph clock faces, HM PLUS quickshifter, Factory Pro EVO Shift Star, RC's oil pump cover, Moto-D magnetic oil drain plug, MIT billet oil filler cap, Shorai 14A2 Lithium battery, Spiegler SS clutch and brake lines, HyperPro RSC steering damper, LighTech fuel tank cap, Vortex rearsets, lightweight mudflap bracket, FP Racing preload adjusters, Ohlins FGRT807 forks and KA544 shock, Carrazzeria Tri-R wheels, Bridgeport 90° valve stems, CZ 320mm front rotors, Galfer rear wave rotor, Pazzo levers, ProBots Dzus fasteners and many other bolts replaced with aluminum or Ti, Vortex mirror blocks, CRG bar end mirrors, LSL frame sliders, axle sliders, billet bar ends, 2WheelWorkz muffler

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doubleD


doubleD's Gravatar

Location: Arkansas

Joined: 06/16/14

Posts: 276

RE: 14R front rotors
08/18/19 2:44 PM

Anyone installed these floating pins to their Rotors?
https://motowheels.com/i-7579497-corse-dynamics-hard-anodized-billet-aluminum-full-floating-rotor-button.html



1969 350 Suz,1972 500 Kawa,1974 900 Kawa,1977 XS750 Yamaha,
1978 XS750 Special, 1981 750E Kawa, 1982 650Turbo Seca Yamaha, 1984 700 Nighthawk,
1986 Concours Kawa, 1989 ZX10 Ninja, 2003 FZ1 Yamaha, 2012 ZX14r, 2007 1250s Bandit.the ZX14r still survives.

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piken


piken's Gravatar

Location: Phoenix, AZ

Joined: 08/27/15

Posts: 578

RE: 14R front rotors
08/19/19 9:19 AM

I just converted a set of rotors for my ZX10 track bike from semi to full floating.

I used the Bremo replacement rotor button kit. You can find these at a few places, but
I bought from Kurveygirl

https://www.kurveygirl.com/shop/product_info.php?products_id=920&osCsid=g64rr1nn32inf0lgj2t5pgsl35

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timomasalin


timomasalin's Gravatar

Location: San Diego, CA

Joined: 05/24/11

Posts: 156

RE: 14R front rotors
01/14/20 5:10 PM

My '06 had warped rotors, replaced with Galfers, no problems since from 9k miles to 45+k miles. My 2013, same thing, replaced under warranty at 16k miles, replaced with new OEMs, now at 36k miles, no issues. IF they warp again, will replace with Galfer or Brembo.



2013 ZX14R ABS, Red, Scorpion Serket Carbon slip ons, centerstand, Rizoma Mirrors, MRA DoubleBubble, Gen-Mar risers, Buell pegs, ThrottleMeister, GIVI V35, Corbin saddle, backrest and glovebox, Power Bronze Hugger, Radiator Guard...so far...

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