'06 AE Clutch Report

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Dickf

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Yamaha really doesn't give their dealers much information. Last year I walked into the dealer two days after Yamaha started taking orders for the '06. I ordered mine on September 30, and got it in July. The dealer could only show me a small brochure and limited description of the AE clutch operation. You would think Yamaha would have posted a short video on the net or something. I ordered the AE model because I was interested in the technology. So, what do I think?

I like up-shifting without using a clutch and have been doing so for years. This, the AE does very well, as well a decent down shifts. When slowing down, I get the smoothest down shifts if I leave the throttle on. Normally, though, I want to roll the throttle off to slow down. This is, of course, why we blip the throttle for downshifts with a standard clutch. When up-shifting between first and second, there is too much clutch slippage if I am at all aggressive with the power. The same is true to a lesser extent between second and third.

The biggest downside of the AE is that it is difficult to launch quickly and smoothly at the same time. That is, if the engine is at idle and you wish to move out quickly, there is no easy way to bring the engine up to the 2,000 (or so) clutch engage point quickly without jolting the bike. With a conventional clutch you have much better control here. Also, if you want to move the bike forward just a few feet you have to rev the engine to 2k (warm) or 2.5k (cold). Reminds me of my fathers 1950 Buick Dynaflow. With a conventional clutch you can keep the bike near idle and inch it forward with a lot less drama. It does seem as though Yamaha could have designed the clutch to engage at lower RPMs, but I am sure they have solid engineering reasons for doing what they did. And, we will probably see some refinements in future years as the company gains confidence and experience with this design. It would be nice to have a conventional clutch that could be used as an option.

Once under way (and during most launches from a stop) I like the AE just fine. I do generally like the way it up-shifts and down-shifts in most circumstances.

I use the foot shifter exclusively, for two reasons. First, that is the way I have always done it and I don't have any other use for my right foot. Second the inboard paddle switch is too short for my stubby fingers. If I use that I would modify the paddle.

If I had it to do over again, would I pay the $1,500 for the AE or save the money and get an A? Now that my curiosity is satisfied, I have to say I really don't know. I could go either way.

Dick Frederick

 
You can adjust the RPM the clutch engages through the computer. Get a copy of the service manual and you experiment around and find what works best for you.

 
Yamaha really doesn't give their dealers much information. Last year I walked into the dealer two days after Yamaha started taking orders for the '06. I ordered mine on September 30, and got it in July. The dealer could only show me a small brochure and limited description of the AE clutch operation. You would think Yamaha would have posted a short video on the net or something.
They did. I watched it several times, just to satisfy my curiousity.

Thanks for the AE review.

 
Dick, how many miles? For me, the AE is simply "different" No doubt I can launch harder on a standard clutch bike. But, after 5 MPH, everything else about AE is really cool to me. The only oddity on mine is that when overnight cold, mine likes to shudder. Sunnyside bled the system, and it made no difference. They said Yamaha was interested in knowing why that was, but to be honest, I don't want to tear into my clutch untill something actually fails. I did find that kicking the bike into and out of gear before leaving in the morning helps, but truth is, it's just not a real issue with me. After the first shift or two it goes away. (tip, after 40 years of riding, I never thought I could adjust to finger shifting. try it for a couple of hours, you won't go back. Especially in the twisties)

 
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Dick, how many miles? For me, the AE is simply "different" No doubt I can launch harder on a standard clutch bike. But, after 5 MPH, everything else about AE is really cool to me. The only oddity on mine is that when overnight cold, mine likes to shudder. Sunnyside bled the system, and it made no difference. They said Yamaha was interested in knowing why that was, but to be honest, I don't want to tear into my clutch untill something actually fails. I did find that kicking the bike into and out of gear before leaving in the morning helps, but truth is, it's just not a real issue with me. After the first shift or two it goes away. (tip, after 40 years of riding, I never thought I could adjust to finger shifting. try it for a couple of hours, you won't go back. Especially in the twisties)
Is it possibly weather (temperature) related? On my truck, which of course is an entirely different beast, the clutch shudders on mornings where the temperature is between about 40 to 55F. There's no shudder if it's colder or warmer than within that range, and like you say above, the shudder goes away after a shift or two. Since the AE has the same clutch as the A, it seems like it has to be a problem within the clutch itself.

 
Good thought dbx, but truth is, It seems not to be a factor. I've been in Arizona with temps at 70+ in the early AM, or in Montana with temps close to freezing. Sunnyside says it is the first report they and Yamaha have heard with this issue. Frankly, I don't give a shit. If the clutch fails, I am on record with the issue, and I have no doubts Sunnyside would get it handled.

 
If I had it to do over again, would I pay the $1,500 for the AE or save the money and get an A? Now that my curiosity is satisfied, I have to say I really don't know. I could go either way.
Definitive :dntknw:

 
I have not had the same experience -- leaving from a stop, and moving a few feet are great for me.

I think you just have to get use to where the YCCS computer engages the clutch, and keep the RPM just below that -- this allows easy clutch feathering using only the throttle (i.e. put the RPM just below the point where the computer will engage/disengage -- and ease on/off the throttle to engage/disengage respectively)

 
Yup Rick, that is why I am sure something is up with mine. I haven't heard of anyone else having the same issue, and Sunnyside called Yamaha, and they were curious as to the issue themselves. But, after a shift or two, all seems well with mine. It ONLY happens on take off when starting off cold, or untill bike sits for 6+ hours. It never happens unless the bike gets a long term cool down. For the record, I warm up to two bars, but I have tried going even higher. no difference. It's not temp related, it's in-activity related. Kicking in and out of gear before leaving after an extended cool down helps, but does not totally solve the issue. It's not a problem as much as a curiosity.

 
Dick, how many miles?
Only 3,000 miles, most of it commuting.

I do agree that you can keep the RPM up, just below the engage point, but that presumes you don't need to make a go decision in a hurry.

A while back, I also had a shudder problem, only when cold. That seems to have gone away and I didn't consider it a big problem anyway.

 
Oh, one more thing - I was riding last week and the bike became stuck in 4th gear, unable to shift and no clutch. I had a warning light and error code, which I can't remember. I chugged to a stop and solved the problem by turning the ignition off and then restarting the bike. Apparantly, I rebooted the computer. Haven't had the problem since, but that gets old in a hurry.

 
You can do a hard launch with the AE. It,s all in throttle control.

I'm not going to tell you exactly how to do it, I'm going to give you a little hint and then you can figure it out from there. Slightly turn the throttle to friction point... By the way make sure you are leaning forward and holding on tighter than usual.

 
My bike launches just fine as I have to ride the tank to keep the front wheel down. If I slide my weight back against the edge of the pillion seat, I'll wheel stand every time if I rip the throttle hard enough.

I really like the AE in stop-n-go traffic and while riding canyons or mountain curves........so smooth, different and fun all in one package.

 
My bike launches just fine as I have to ride the tank to keep the front wheel down. If I slide my weight back against the edge of the pillion seat, I'll wheel stand every time if I rip the throttle hard enough.
I really like the AE in stop-n-go traffic and while riding canyons or mountain curves........so smooth, different and fun all in one package.
I totally agree Long Rifle. I am so stoked with my AE, no more clutches for me

 
Good thought dbx, but truth is, It seems not to be a factor. I've been in Arizona with temps at 70+ in the early AM, or in Montana with temps close to freezing. Sunnyside says it is the first report they and Yamaha have heard with this issue. Frankly, I don't give a shit. If the clutch fails, I am on record with the issue, and I have no doubts Sunnyside would get it handled.
My AE does exactly the same thing. When cold and the throttle is applied the clutch tends to shudder unless you really ease into the throttle. After warm up the shudder goes away. My Yamaha regional technical advisor is going to experiment with it next time he's in town.

Tony

 
i've never had shuddering, but i wait till the RPM stabilizes back to normal (warms up) on a cold morning.

 
...I use the foot shifter exclusively, for two reasons. First, that is the way I have always done it and I don't have any other use for my right foot. ...Dick Frederick
Thanks for sharing Dick.

However, I don't know about you guys, but on my '04 I shift with my left foot, and rear brake with right foot. You can tell me to f.o. now and go to hell if you like... :eek: :lol:

 
I like my AE alot. they only issue I have is doing at idle uturns. It wants to disengage in the turn and has tried to drop my on my ass. Now I look like a noob as I put my foot down to keep from dropping it when it does that

Other than that, Totally different than my other bikes. Fun as hell too

Here is why "I" bought the AE

1. It was the only one I could find that I could have that day. Seriously, I would have bought either one but I wanted one now. :clapping:

 
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I like my AE alot. they only issue I have is doing at idle uturns. It wants to disengage in the turn and has tried to drop my on my ass. Now I look like a noob as I put my foot down to keep from dropping it when it does that
In 40-ish years of riding, I don't think I've ever summoned the courage to do an "at idle" U-turn. I prefer to increase my odds by bringing the engine above idle and using the rear brake to modulate my speed/power. Then there's the whole 'look where you wanna go' thing, too, but obviously that works a lot lot better if the engine stays running. :lol: So far, so good, never dropped a bike during a U-turn. *knock on wood* Now watch me drop it tomorrow, just for saying that...

 
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