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Buell Forum » 1125R Superbike Board » Stator/Voltage Regulator/Charging System subforum » Rotor Oil Jet Mod? « Previous Next »

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Mrred7
Posted on Friday, February 12, 2016 - 02:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just wanted to see if there is anyone else out there besides Twin Motorcycles in the Netherlands that does the Rotor Oil Jet Mod on my 2009 1125CR correctly... They say turn around time is 6 weeks! Loaner tools for this? I will gladly pay a refundable deposit minus shipping charges.
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Terrys1980
Posted on Friday, February 12, 2016 - 05:03 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

There are threads floating around for DIY with a machine shop doing the EDM and also threads for loaner tools. Google is your friend.

No one in the US does rotor mods specifically for Buells.

You can always purchase a EBR modified rotor from Liquid Asset Partners. Y0533.13AZ
See this post. http://www.badweatherbikers.com/cgibin/discus/show.cgi?290431/778104

(Message edited by terrys1980 on February 12, 2016)
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Jc1125r
Posted on Friday, February 12, 2016 - 05:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I realize that this may be redundant, however,...

Y0533.13AZ is the MODIFIED rotor and it will fit the 2009 1125r or cr. Is this correct?
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Froggy
Posted on Friday, February 12, 2016 - 05:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)


quote:

Y0533.13AZ is the MODIFIED rotor and it will fit the 2009 1125r or cr. Is this correct?




Yes
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Flybysr1
Posted on Sunday, February 14, 2016 - 08:17 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I got mine done at a local EDM shop during lunch time. This hole is not a super technical process. EDM is used because drill bits this small are painful. I don't really want to go into business but I could help out fellow Buellers until EBR gets back on their feet.
I work in the automotive industry and manage folks that design paint applicators. The fluid dynamics of this oil hole and the way paint is atomized is very similar. I used knowledge of bell cups to optimize the angle of the hole. Pictures of my rotor are on the air cooled rotor thread. PM me if you would like to discuss getting your rotor done.
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Cgf1179
Posted on Tuesday, November 01, 2016 - 01:38 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I had my rotor drilled at a local machine shop. Quite technically, it's a .040" hole drilled at a 45 degree angle from the radius of the rotor (the curved portion as it turns up to the splined hub), into the keyed channel which serves as the main oil passageway. I would be more than happy to employ my local machinist with more of these if anyone wants to send them to me. However, if you take what I just told you and have a local guy do the work. Most competent machinists would know what you're telling them.

I've put 6k miles on my new system and its not failed once. the original system failed before 2k miles on the new bike.

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Pwillikers
Posted on Tuesday, November 01, 2016 - 04:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Chris, I believe the EBR rotor mod creates a .78mm hole which equates to .030". This from memory when I did mine I measured the hole with a drill bit.

Can anyone definitively confirm or refute this?
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Dennis_c
Posted on Tuesday, November 15, 2016 - 03:56 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

.030" that's what mine is drilled out to. That's a # 68 drill bit EBR called for a #70 bit its a little bigger. Its been all good for the last 40,000 miles.
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Zac4mac
Posted on Tuesday, January 03, 2017 - 10:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I came up with .028" IIRC
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