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litigator

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After getting 42mpg average on my R1100RT, I got an 1150, had surging, got a Techlusion, and now the best I get is 35mpg. Is that to be expected?

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My daily commute (London to Oxford) is 120 miles round trip. Approximately 80% of the journey is in 6th at speeds of 75 - 85 mph and I consistently average 52 - 53 mpg. Keeping it down to 75 mph max I can eke it out to 55 mpg.

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After getting 42mpg average on my R1100RT, I got an 1150, had surging, got a Techlusion, and now the best I get is 35mpg. Is that to be expected?
Everybody seem to be ignoring the point of this post - he just got a Techlusion, he knows what the mpg was without it.
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I don't know about the Techlusion box but my experience with a Power Commander on an 02 VFR was a considerable drop in fuel economy over the stock bike. I realize that these are vastly different bikes but I have been lead to believe that these types of devices will often increase performance but at a cost in fuel economy. I have been told that this is due to the fact that most of them richen up the bike but I really don't have the knowledge to know if this is what is happening. I do know in my case the VFR dropped from an average of about 40 mpg to something in the mid 30's.

 

After getting 42mpg average on my R1100RT, I got an 1150, had surging, got a Techlusion, and now the best I get is 35mpg. Is that to be expected?
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That's about what I get but I don't have a techlusion installed. I have a bbpower chip. On trips I get about 42-43. My commute includes a lot of stop and go city traffic so I think 35-40 is pretty good.

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The Techlusion works specifically by enriching the fuel mixture by lengthening the time of the fuel pulse. So a reduction of mileage is unavoidable. 35MPG with one, depending upon how it is set, seems within the range of what one might expect.

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The Techlusion works specifically by enriching the fuel mixture by lengthening the time of the fuel pulse. So a reduction of mileage is unavoidable. 35MPG with one, depending upon how it is set, seems within the range of what one might expect.

 

I would agree that your 35 mpg isn't out of line with what I have read concerning the techlusion. You should be able to make minute adjustments and increase mileage to 38\40 and still be happy.

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After getting 42mpg average on my R1100RT, I got an 1150, had surging, got a Techlusion, and now the best I get is 35mpg. Is that to be expected?

My 04Roadster gets 48.12mpg w/ a Techlusion R259 and no CCP. I don't baby it...I ride in the 3000~5000rpm range. I like to accell 'briskly' from stops, but I don't burn rubber.

If I'm doing 60mph or over w/ little traffic on a relatively straight road, I'm in 6th gear as much as possible. With no Cat, the bike is very smooth.

FWIW, my Techlusion settings are WAY down from 'recommended'.

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I'm one of those strange ones that has a tall windscreen and rides with it full up, (I'm tall). I get high 30's, but assumed the oversize windscreen, full up has something to do with the higher fuel consumption.

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Alan,

Are you allowing for your gallon being well over 4 litres while the US gallon is just on 4 litres?

 

We are divided by a common language and a complicated measure of units smile.gif

 

Oh, the RT (60000km) always got 5.3 l/100km until I had my rusted exhaust internals replaced with a nice mellow "straight through" pipe - now get around 5.6 l/100km.

 

Welcome to the board BTW.

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Clive

 

Goeie middag. Ek het in Kaapstad fir 5 jaar gebly, en my Afrikaans is baaie vrot.

 

I think you are right about the US / Imperial gallon measurement. Making the conversion it works out at 43 miles per US gallon, which is pretty much what most folk have been quoting. Still, 55 sounds better.

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My R1100RT was averaging 45, but had surging problems. I tried the Techlusion, mileage dropped to the 38-40 range. I was never fully satisfied with the Techlusion, so I dual sparked the heads with the SJBMW kit and removed the Techlusion. Mileage went back up to an average 45 with occasional gusts to 49 and surging is gone.

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Consistent 44 MPG regardless of riding or road conditions. That's 100 miles/day round trip commuting in Los Angeles usually at (shhh!) speeds of 70 MPH or more, and I haven't sync'ed the throttle bodies in over 10k miles...

 

Oh yeah, no Techillusion (sp? grin.gif) fitted either tongue.gif

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