front rotor bolt size yz426


9 replies to this topic
  • gbalias

Posted May 02, 2009 - 04:07 PM

#1

whats the specs on the front rotor bolts?


m6?

thread pitch?


thanks

  • grayracer513

Posted May 02, 2009 - 04:44 PM

#2

They are a M6x1.0 thread, but the stock rotor has countersunk holes for the bolts, so they require a tapered clamping face. You're probably not running the stock rotor, eh?

OEM PN = 90149-06327-00

  • gbalias

Posted May 02, 2009 - 11:09 PM

#3

You're probably not running the stock rotor, eh?

OEM PN = 90149-06327-00



nope..

Posted Image



i wanna get some stainless hardware since you gotta loosen the rotor to remove the caliper. im gonna get it all from mcmaster or something.

thanks gray!

  • dacon1

Posted May 03, 2009 - 01:01 AM

#4

That looks like a EBC 320mm ?? I had them on my motard, enough to shove my nuts square into my gas tank. I learned quick the capabilities of that, even with a stock caliper / master.

And you can actually remove the wheel from the front without losening the caliper, good chance of scratching the rim / rotor, but you can :excuseme:

  • gbalias

Posted May 03, 2009 - 10:14 AM

#5

ya. its the EBC.

i was over braking my 310mm set up. so i went a lil bigger. ive also got a YFZ master to go on next. but im gonna do it in stages at the track to see where im most comfortable/fast. its a pain to remove the wheel without loosening the brake components. id rather just do that anyways. sometimes 5 minutes on one thing saves 15 on another.

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  • pscook

Posted May 04, 2009 - 05:51 AM

#6

Another option is to remove the inner brake pad when removing the wheel. Removing the rotor with the wheel installed seems more complicated than pulling a pad, plus there's a better chance of gumming up the bolts since you have not so good access to the rotor when it's installed.

  • gbalias

Posted May 04, 2009 - 10:42 AM

#7

then theres no room to ge tthe pad in. the rotor is a lot thicker than stock. i guess if the pads were almost done, but theyre not.

trust me,.....ive tried every rubiks cube configuration. hehe

i have to loosen the rotor, slide the caliper over it, then tighten the rotor, then tighten the caliper.

  • pscook

Posted May 06, 2009 - 01:32 PM

#8

then theres no room to ge tthe pad in. the rotor is a lot thicker than stock. i guess if the pads were almost done, but theyre not.

trust me,.....ive tried every rubiks cube configuration. hehe

i have to loosen the rotor, slide the caliper over it, then tighten the rotor, then tighten the caliper.


That's odd, as it is the way that I put my wheel on. If the pad doesn't fit, how do you put the caliper over the rotor with the pads installed? How do you install new pads?

I drop the pad, remove the wheel, then when I install the wheel I slip the pad in when I'm all done. Done it a dozen times. As long as you don't touch the brake lever you will be fine. I can't see how the brakes would work if there is no room for the pad to begin with. I have an EBC rotor with EBC HH pads, not that it makes any difference.

I could not imagine how to put a 16.5" front wheel on a Yamaha, given that it is so difficult to install a simple 17" wheel.

  • Ztard

Posted May 06, 2009 - 03:15 PM

#9

That's odd, as it is the way that I put my wheel on. If the pad doesn't fit, how do you put the caliper over the rotor with the pads installed? How do you install new pads?

I drop the pad, remove the wheel, then when I install the wheel I slip the pad in when I'm all done. Done it a dozen times. As long as you don't touch the brake lever you will be fine. I can't see how the brakes would work if there is no room for the pad to begin with. I have an EBC rotor with EBC HH pads, not that it makes any difference.

I could not imagine how to put a 16.5" front wheel on a Yamaha, given that it is so difficult to install a simple 17" wheel.


+1 remove the inner pad, I have the same set up with no issues:thumbsup:

  • gbalias

Posted May 06, 2009 - 05:58 PM

#10

i loosen the rotor, then slide the whole caliper off, then remove the pads.

i dont think i can slip the inner pad outta the caliper with the caliper and rotor mounted up...ill have to double check.





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