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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through October 13, 2008 » Clutch lever engagement position « Previous Next »

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Jerseyguy
Posted on Thursday, October 09, 2008 - 01:00 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Buell is so on top of their shit that I'm running out of things to complain about. Now they are even fixing stuff I didn't know was a problem (PRODUCT PROGRAM 0504).

I do have one small nit pick left. On all my bikes I like to have the clutch begin to engage when the lever is about 75% the way out and be done at 90% with 10% slack. My 25 doesn't engage the clutch until the lever is 90% out and its fully engaged at 98% out. Its a smooth engagement and not a big deal but I'd just like to have it engage sooner and maybe through a longer stroke. I obviously know that the lever has several stop positions to choose from. The stop position has nothing to do with how it engages. I'm just submitting this as a suggestion for future consideration.
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Fresnobuell
Posted on Thursday, October 09, 2008 - 01:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I felt much like you about the clutch engagement position--closer to the grip please.

However, I *think* they intentionally put it where it is (at the very end of the lever travel) to allow for quicker shifting. Maybe I am way offbase?

I have become a big fan of the current setup as it allows shifting with a flick of the fingers.
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Doerman
Posted on Thursday, October 09, 2008 - 01:21 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I think, and I too may be way off base here, that this is an inherent property of a hydraulic clutch.

The hydraulic clutch on the BMW I had before I got the 1125R was much the same - late engagement. And there is/was no adjustment for that.

You obviously know about the lever adjustment. But that does not change the engagement zone.
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No_rice
Posted on Thursday, October 09, 2008 - 01:23 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

mine just really pisses me of since the new reflash. well atleast thats when i first started noticing it ALOT.

sitting at the stop light with 2 fingers on my clutch and the other 2 on the bar puts it at just the wrong damn spot when its adjusted the way i need it. it is right at the point where the bike thinks it needs to speed the motor up because it thinks i need help letting out the clutch and operating the throttle at the same time or something.

so what happens is the motor just keeps speeding up and slowing down on and on as i sit at the stop light. i have to keep hard pressure on the lever and squish it against my other fingers so it doesnt do it, but then i will relax a bit and the lever doesnt even move an 1/8th inch and there goes the rpms again. i wish there was some damn way to bypass that feature. i dont need any help from the bike. i do know how to operate the throttle while leaving from a stop and letting the clutch out.
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Fresnobuell
Posted on Thursday, October 09, 2008 - 01:24 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hmmmm. That would make as much sense as anything, Asbjorn. This is my first experience with a hydraulic clutch. Maybe I'll take my buddys Gixxer for a ride and see if it feels the same.

(Message edited by fresnobuell on October 09, 2008)
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Jerseyguy
Posted on Thursday, October 09, 2008 - 01:29 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

It's not a big deal, I just notice it when I switch between bikes. It feels awkward for the first few miles.

On the track I mostly don't use the clutch on upshifts anyway. On the street I do use it but don't really have a need for speed shifting there. I usually do clutch downshifts on both street and track though the slipper may accommodate clutchless downs without drama.
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Jerseyguy
Posted on Thursday, October 09, 2008 - 01:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Doerman - My KTM dirt bike has a hydraulic clutch and it seems to have a more normal engagement.
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Pridayr
Posted on Thursday, October 09, 2008 - 01:34 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

NoRice, Yank the solenoid out? Or just do the resistor and unplug it.

Just got the part to do mine yesterday.
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No_rice
Posted on Thursday, October 09, 2008 - 02:10 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

}Yank the solenoid out? Or just do the resistor and unplug it.

that wont effect what im talking about, the solenoid only does anything between 3-4000 rpm at full throttle. plus i did that along time ago!

i am talking about how the computer is set up to raise the rpms for you as the clutch is being let out. i guess its supposed to make it easier to leave from a dead stop or something. all it does for me is pisses me off because it doesnt do good at that either!
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Pridayr
Posted on Thursday, October 09, 2008 - 02:31 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My bad. I thought the solenoid did that operation also. Does that mean there's another solenoid that performs that operation?

Rob
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Spectrum
Posted on Thursday, October 09, 2008 - 02:55 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The ECM is responsible for the RPM rise. It reads the state of the clutch and try's to raise the RPM's slightly as you disengage the clutch.
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Jerseyguy
Posted on Friday, October 10, 2008 - 09:38 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I never really noticed that RPM rise. I checked it out and sure enough, the RPM's do jump. I wonder why they felt that was necessary on this bike. Possibly because the clutch lever engagement zone is so small.
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Hitman44139
Posted on Friday, October 10, 2008 - 10:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Could this be a help for speed shifting? Not to fully engage the clutch just bumping (so to speak) the lever?

IDK just an idea
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Zac4mac
Posted on Friday, October 10, 2008 - 11:07 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I believe it was in response to all the complaints about stalling and dying.
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Spectrum
Posted on Friday, October 10, 2008 - 11:20 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I believe it was in response to all the complaints about stalling and dying.

I don't think so, mine has done it since day 1 (original shipping ECM calibration).
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