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Buell Forum » Old School Buell » M2 Cyclone » Archive through April 06, 2010 » Rev limiter « Previous Next »

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Scdobber
Posted on Monday, January 18, 2010 - 01:36 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Do the Cyclones have factory set rev limiters? Just in case of a missed shift ect....

(Message edited by scdobber on January 18, 2010)
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Kilroy
Posted on Monday, January 18, 2010 - 01:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Yes
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Scdobber
Posted on Monday, January 18, 2010 - 02:09 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Any idea on the rpm? Thx
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Kilroy
Posted on Monday, January 18, 2010 - 02:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I think its 6800 stock -

Someone with better memory than mine will chime in if I'm off

Do you have a service manual?

Kilroy
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Buellistic
Posted on Monday, January 18, 2010 - 02:39 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

BUELLers:

OEM is 6500 RPM ...

IMHO, is the max. RPM to shift at on the EVO SPORTSTER Engine is 6800 RPM ...

If you want your rods to last, stay below 6500 RPM ...

"MAY THE LONG LASTING BUELL BE WITH YOU !!!"
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Scdobber
Posted on Monday, January 18, 2010 - 02:59 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The reason I asked is I somehow missed a shift from 3-4 and had it rev up to about 6300 for a split second but didn't hear the limiter,I must not be shifting up high enough
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Blake
Posted on Monday, January 18, 2010 - 04:51 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Since 1996, the Buell tube framer rev limits were all 6,800 rpm.
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Outdoors
Posted on Monday, January 18, 2010 - 06:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

The stock ignition begins to retard the timing, I believe @ 6500 rpm and eases up to the 6800 rpm limit. The Buell race ignition goes hard until it cuts out at 6800 rpm.
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Blake
Posted on Tuesday, January 19, 2010 - 12:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Ignition timing on the S1's, M2's, S3's, and X1's is slightly retarded beginning at 6,200 rpm compared to the race module. It's not that big of a difference though, a couple degrees or so is all if I recall correctly.
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Blake
Posted on Tuesday, January 19, 2010 - 12:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

More info and dyno testing of stock versus race modules...

http://www.badweatherbikers.com/buell/messages/384 2/10398.html?1059591514
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Renamed
Posted on Thursday, January 21, 2010 - 09:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

"Since 1996, the Buell tube framer rev limits were all 6,800 rpm."

Blake you are wrong.
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Richsm2
Posted on Thursday, January 21, 2010 - 11:27 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

"Since 1996, the Buell tube framer rev limits were all 6,800 rpm."

Blake you are wrong.

Then make it right.

I have for 9years ,without I guess any documentation thought it was 5700,Ineed a tach.
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Jayvee
Posted on Thursday, January 21, 2010 - 12:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

In any case, the original question was answered, the missed shift caused no damage whatsoever.
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Richsm2
Posted on Thursday, January 21, 2010 - 12:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I blew the float valve out of position and got gas all over my garage.
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Blake
Posted on Thursday, January 21, 2010 - 03:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

I did forget that the S2 was produced as a 1996 model. Its rev limit was lower at 6,200 rpm as it was a stock Sportster engine.
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Buellistic
Posted on Thursday, January 21, 2010 - 06:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only)

Blake:

IMHO, a stock SPORTSTER will rev to 6800 RPM with no problem with a 7000 RPM REV limiter Module ...

My 1958 XL (iron head SPORTSTER) would, which was before LIMITERS !!!

"i" REV'ed it 8000 RPM by mistake and the rods broke ...
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