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post #1 of 7 (permalink) Old May 14th, 2006, 11:50 pm Thread Starter
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ESA for dummies

I'm new to ESA. I've read somewhere that the single helmet reflects a specific programmed weight, and I've read somewhere else that the single helmet reflects the weight of the actual rider who is astride the motorcycle at that very moment. Which is correct? Assuming that an NFL offensive guard-sized rider like myself should plug in at least a helmet and a suitcase, but not if the bike is actually weighing me...

Thanks
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post #2 of 7 (permalink) Old May 15th, 2006, 8:02 am
 
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I have no inside information, but I'm sure that it is just setting the preload to specific fixed values. Here's an easy way to tell:

With the engine running, SITTING on the motorcycle, cycle though the settings, ending up at one helmet (or whichever value you want to check), then get off, have someone hold it upright while you measure the height, say at the luggage rack rear (an easy reference point)

Then repeat the exercise with NO weight at all on the motorcycle, and re-measure.

I'm sure that you'll find them identical.
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post #3 of 7 (permalink) Old May 15th, 2006, 9:27 am
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Since I am a big guy, I have mine pre-set to one-up with luggage. Then I split between comfort and sport, depending on where I am riding. You'll "know" when you hit the twisties and forgot to move from comfort to sport

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post #4 of 7 (permalink) Old May 15th, 2006, 10:04 am
 
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Am I correct that the bike must be sitting still, at idle to make these adjustments? I havent tried any of the settings yet on my new GT. The dealer went over that, as well as a ton of other things, most of which I have forgotten! Thanks!
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post #5 of 7 (permalink) Old May 15th, 2006, 10:28 am
 
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Quote:
Originally Posted by Reg01
Am I correct that the bike must be sitting still, at idle to make these adjustments? I havent tried any of the settings yet on my new GT. The dealer went over that, as well as a ton of other things, most of which I have forgotten! Thanks!
Well I dont have a GT but this is how it works on the K1200R.

The change from comfort/normal/sport works when you're moving (as you'd like it to).
The changes from one rider/rider with luggage/two up only work when the bike is not moving.

That way when you're riding you dont have to worry as much how long you hold the ESA button down, its not going to change the passenger mode on you.
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post #6 of 7 (permalink) Old May 15th, 2006, 11:25 am
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Quote:
Originally Posted by diggitydogg
I'm new to ESA. I've read somewhere that the single helmet reflects a specific programmed weight, and I've read somewhere else that the single helmet reflects the weight of the actual rider who is astride the motorcycle at that very moment. Which is correct? Assuming that an NFL offensive guard-sized rider like myself should plug in at least a helmet and a suitcase, but not if the bike is actually weighing me...

Thanks
I do not yet have my bike, so this info is not first hand. But I remember reading "somewhere" (and I've been trying to put my hands on that "somewhere" for most of the morning), that the ESA "calculates" the correct setting by "actual weight" for the selected rider profile during the first 10-15 seconds the bike starts to roll down the road. Perhaps this would also explain why you set the profile before rolling rather than during. It uses this to "trigger" the programming.

Perhaps someone else has the "somewhere" quote for this?

Chris
NS, Canada

IBA, MOA, ONS

The mind knows no speed limit.

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post #7 of 7 (permalink) Old May 15th, 2006, 11:35 am
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Found the "somewhere". Motorcycle Consumer News review of the K1200S, August 2005 "A Star is Born". I quote:

A solo rider, indicated by a single helmet icon; a rider with luggage
(helmet plus suitcase); or two riders (assuming luggage) indicated
by two helmets, can be dialed into the suspension in mere
seconds. Even more amazingly, the exact preload and damping configuration
front and rear is not simply set to predetermined values,
but is actually measured by computer in the first few hundred yards
of motion to be perfectly balanced by the suspensionís spring preload
and damping. This is significant for several reasons: The resulting
ride quality is maximized and the difficulty of suspension tuning
is eliminated.

Chris
NS, Canada

IBA, MOA, ONS

The mind knows no speed limit.

'06 GT - CGM "Katie"
'84 Airhead "Rita"
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