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Fuel economy

Hi, I have purchased an 01 in February. I have also experienced poor mileage. Will soon take her apart and have a look. Hope I can improve performance. Cheers from New Zealand.
Old 07-10-2012, 11:06 PM
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Hi guys,

I'm still waiting for my Twinmax before being able to report on changes in fuel economy.

o5hexhead, my rear rotor does get pretty hot (more so than the front) even when trying not to use it much. How would I check to see if my rear brake is dragging, considering it's a BCR with linked ABS?

Cheers
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Old 07-13-2012, 03:54 AM
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get rear wheel off ground, see what it feels llike when you spin it. any drag is too much. linkededness and ABSness should have nothing to do with it.
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Old 07-16-2012, 06:42 AM
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Mileage

Just got back from a 5 day ride and here is what I recorded.
1256 miles total
31.3 gal fuel
40.187 average MPG
47.6 high MPG
35.211 low MPG (had to see if I could top her out on a fer flat straight roads)

New plugs, TB sync and valve adj over the winter.
Non stock with cat eliminator, Remus cans, Lennie's, K&N Filter.

Terrain was north eastern Oregon and north west Idaho with a good amount of elevation changes upto ~6,500, hot (95f) and cool (50f) weather, no rain. Speed prolly averaged 70 plus as normal cruse was 85 plus with a couple of 120 plus sections and of course the speed traps in town down to 25. Very, very, very few stop signs let alone traffic lights. Lots and lots of twisties, many of the 60 to 80 mph range. Longest distance on a tank 139 miles, in that part of the country you see an open station you put in gas. A couple of towns I was lucky to catch the guy who owned the pumps manning them when I pulled in. Many towns, if they even have a pump, you have to call and wait for them to show, locals have a key and go on the honor system. Only went through about 8oz of oil. At 24k she must be getting broken in.


Bike ran good and strong of course.
Drove through Hells Canyon in the dark. Something I do not want to do again, Bears, Elk, Dear, Antelope, Racoons all on the road but I only hit 2 bats. And of course my newly installed DDM HIDs started to blink on and off. Thankfully it was only a loose connection.

Old 07-20-2012, 09:11 AM
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Quote:
Originally Posted by wiggledbits View Post
Just got back from a 5 day ride and here is what I recorded.
1256 miles total
31.3 gal fuel
40.187 average MPG
47.6 high MPG
35.211 low MPG (had to see if I could top her out on a fer flat straight roads)

New plugs, TB sync and valve adj over the winter.
Non stock with cat eliminator, Remus cans, Lennie's, K&N Filter.

Terrain was north eastern Oregon and north west Idaho with a good amount of elevation changes upto ~6,500, hot (95f) and cool (50f) weather, no rain. Speed prolly averaged 70 plus as normal cruse was 85 plus with a couple of 120 plus sections and of course the speed traps in town down to 25. Very, very, very few stop signs let alone traffic lights. Lots and lots of twisties, many of the 60 to 80 mph range. Longest distance on a tank 139 miles, in that part of the country you see an open station you put in gas. A couple of towns I was lucky to catch the guy who owned the pumps manning them when I pulled in. Many towns, if they even have a pump, you have to call and wait for them to show, locals have a key and go on the honor system. Only went through about 8oz of oil. At 24k she must be getting broken in.


Bike ran good and strong of course.
Drove through Hells Canyon in the dark. Something I do not want to do again, Bears, Elk, Dear, Antelope, Racoons all on the road but I only hit 2 bats. And of course my newly installed DDM HIDs started to blink on and off. Thankfully it was only a loose connection.

Wow, sounds like an awesome ride, I need to get out in that area. Any particular "can't miss" highways to recommend? More pics???
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Old 07-20-2012, 02:40 PM
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Hi all,

So here I am, after selling my R1100S. It just wasn't for me, or perhaps, wasn't appropriate for my riding requirements (moderate city use, fair amount of 2-up riding) no matter how pretty she was.

As promised I'd post my fuel economy findings after doing the following:

- New spark plugs
- Valve clearance adjustment
- TB sync with Twinmax

Fuel economy appeared to have improved, and from the 1,000 mile trip with hard cases attached and with a light pillion passenger got the following:

Miles Gal MPG
143.8 3.89 37.0
171.3 4.00 42.8
153.6 4.04 38.0
234.1 6.18 37.9
134.5 3.43 39.2
(US MPG)

Like I said, it's a bit better, but I think that's largely due to being country roads and not having to mess around in traffic. Still, an improvement is an improvement, and balancing the TB's definitely smoothes out the vibes around 4,000RPM.

May just go back to having a GS...
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Old 08-05-2012, 08:00 AM
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Pick up a BMW R1150RT if you can locate one in Korea. You will love it for two-up and has great performance for one. The handling, braking, engine performance will simply amaze you. Gas mileage on mind will range from 43-52 mph depending what part of U.S. I am riding, how I am riding, and gas quality.

My RT gets slightly better mileage than my S bike.

Nathan
Old 08-06-2012, 06:35 AM
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Quote:
Originally Posted by 81Forest View Post
Wow, sounds like an awesome ride, I need to get out in that area. Any particular "can't miss" highways to recommend? More pics???
I have hours and hours of raw HD vids. and a few pics... but like my Ducati refurb getting the time between life and work is hard.

I can PM ya on some roads if you like. It was *****en!
Old 08-06-2012, 10:17 AM
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WOW ton of info here. I have an 04 with Rhemus and a RhineWest chip. I called RhineWest and the first thing they said was get the O2 sensor back in there as they map them with that present. I am getting high 20ís low 30ís doing real calculations. I have it in the shop right now and we are doing TB synch and installing an O2 - ebay $20. Love the bike, hate the MPG. I know its running rich because my riding suit stinks. Hope I can get into the low 40ís. Thanks for you dedicated few who know and love these bikes. I am grateful for your service to the community. jm
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Old 02-26-2013, 04:35 PM
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Hi jm:

I also have an '04 that's pretty much stock.
I love the bike but all I get is 33mpg.
If you ever get it sorted out, let me know.
The next things on my list to change are the O2 sensor and CCP.
Old 02-27-2013, 10:05 PM
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Groceryrun, picked up my ride today and while I cannot say anything about the mpg yet as all I could do was get'r home and outta the rain. but simply startinging it up it sounded different and pulled away cold without any stumbling. I'm only 3 miles from the shop so it hardly got warmed up but I am encouraged. All we did was hook up the disconnected O2 and do a TBS.
Your O2 sensor is probably not bad but easy enough for somebody to check. I got one on eBay for $25. Mine was simply missing.
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Old 03-02-2013, 04:35 PM
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Originally Posted by Groceryrun View Post
Hi jm:

I also have an '04 that's pretty much stock.
I love the bike but all I get is 33mpg.
If you ever get it sorted out, let me know.
The next things on my list to change are the O2 sensor and CCP.
I have a stock 04' and I can run as high as the very high 40's when slab'n in warm weather at elevation. I run around 42-44 or so at sea level unless I'm on it in the twisties. Hammering in the twisties, the mid to high 30's is the order of the day.

Two times I have run with very poor mpg; once a stick coil was bad and another time my TPS needed to be reset. I run with my TPS set at .37
Old 03-02-2013, 07:58 PM
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At various times, I've had the TPS set at .365, .375, .385, .390 and I'd get the same
MPG.

I only have about 10,000 miles on the odometer but the O2 is either going to get
replaced or looked at the next time the fairing and gas tank is taken off.
Old 03-02-2013, 09:37 PM
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You people are really silly! This is not a water cooled in-line 4. It's an air-cooled twin of 1100cc! Mileage in the 30s is absolutely positively normal! If you get anything over, you are not riding this bike the way it's supposed to be ridden! Wonna save on gas? Get a Chinese 125cc scooter for christ sake and go b!tch your b!tching in the Chinese scooter forum!
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Old 03-03-2013, 05:42 AM
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Only getting 33 mpg is not that great....it's probably what you'd get from a Yamaha
Star V-Max, and that bike has nearly twice the hp as ours.

It's not too bad living in NJ where the gas stations are around 3 miles apart but this
bike will never make it out west where the gas stations are more 100 miles apart.
The fuel light comes on around 87 miles on the odometer.

I see other R1100S' with gas mileage around 40 mpg and I'm thinking there's something wrong.
Old 03-03-2013, 03:34 PM
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Originally Posted by Groceryrun View Post
It's not too bad living in NJ where the gas stations are around 3 miles apart but this
bike will never make it out west where the gas stations are more 100 miles apart.
That's comparing apples and oranges.

It's a thoroughbred. It's made to run. To be fed fuel and run on open roads, not stoplight to stoplight.
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Time Marches On: 2015 F800GS, 2010 F800GS, 2007 R1200S, 2003 Dakar, Buell 1125r, 2001 F650GS. 1999 F650. 1998 HD Sportster Sport. 2010 F150, 1995 GMC Sierra ALL GONE
Old 03-03-2013, 03:57 PM
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Over the past 2 weeks I've been able to improve my mileage from 32 to 42 mpg. I was getting 105 miles odo (130ish actual) and now getting 134 odo (162 actual) to a tank of fuel when the light comes on. Gas neck is drilled.
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Old 03-03-2013, 04:39 PM
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Did you do anything to improve your gas mileage ?
Old 03-03-2013, 10:16 PM
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Quote:
Originally Posted by Groceryrun View Post
Did you do anything to improve your gas mileage ?
This is a list of what I've done in the past week

-Performed a canisterectomy
-Drilled the fuel filler neck
-New fuel filter
-Changed the spark plugs
-installed boosterplug
-cleaned oil/water out of the airbox
-adjusted the valves
-balanced the TB's
-final drive fluid
-transmission fluid
-checked tire pressure
-new K&N air filter
-new o2 sensor
-ran techron through fuel system
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Last edited by MakarskiJA; 03-04-2013 at 05:44 AM..
Old 03-04-2013, 04:11 AM
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I'm finding it hard to believe that you suddenly improved your fuel mileage by 10 mpg with anything listed here, unless your O2 sensor was disconnected or not working. Basically you did a tune up. But the majority of the work does not change mileage. Unless that bikes was amazingly out of tune.

So what do you attribute this 10 mpg per gallon change to?
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Time Marches On: 2015 F800GS, 2010 F800GS, 2007 R1200S, 2003 Dakar, Buell 1125r, 2001 F650GS. 1999 F650. 1998 HD Sportster Sport. 2010 F150, 1995 GMC Sierra ALL GONE
Old 03-04-2013, 06:53 AM
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