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  Topic Review (Newest First)
Jun 19th, 2010 9:32 pm
DMiller
Re: 50+ Mpg...???....how!!!!.....

My mileage varies from 38-52 mpg. I fill the tank and divide the miles by the gallons to compute the figure. I keep a log too, so I can use it as a marker of performance in regard to maintainance, and to remember my rides and routes. Aside from that, so what? Just fill it and ride it, fill it and ride, fill it and ride it and forget it. Have fun, don't sweat the petty things, pet the sweaty things.
Jun 19th, 2010 8:23 pm
wahlspyder
Re: 50+ Mpg...???....how!!!!.....

Wife and I rode 175 miles today. No interstate, some stop and go city, got 49.7MPG. Its HOT today.
Apr 4th, 2010 10:30 pm
garry_kramer
Re: 50+ Mpg...???....how!!!!.....

Just filled up @ 332km for 16liters = 58mpg (Imperial gallon)

Garry
Apr 4th, 2010 9:55 pm
MountianMama
Re: 50+ Mpg...???....how!!!!.....

Todays milage,
51 MPG imperial gallons
5.6 Liters per 100 KM
That would be 44 US
two up, wind it out, windshield up.
Mar 10th, 2010 6:26 pm
blueknightga6
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by Wolfgang
Since 99: Mainly 2 up average right around 40 with an occasional trip at 46-47 and two weekends ago fully loaded and strong wind 32 mpg on 300 mile trip.

This has never changed, different parts of the country, new plugs and filters, unplugging temp sensor, and switching from regular to premium. First radials, now bias. First conventional oil, now Mobil one...it never really changed by a measurable amount.

Such is the nature of closed loop oxygen sensor systems it keep the mixture in a very close range.
Last week coming back from Daytona we were in a 15-20 headwind most of the way to Atlanta. I nearly panicked when I seemed to be using more gas than expected. My trip computer (which is pretty accurate using real miles and not odometer miles) showed 32.4 mpg! I hoped it was the fact of being 2 up, loaded with luggage and the headwind. We could feel the wind buffetting most of the way. This week, on the remaining gas, reset the trip odometer and jumped on the interstate and it was back to registering 45 mpg.
Mar 10th, 2010 5:43 pm
atrovarious
Re: 50+ Mpg...???....how!!!!.....

I can't remember the last time I bought gas since I discovered this technique.
Wheeeee!
Actually I've never seemed to get more than 180 miles out of a tank of gas which puts me under 35 mpg on 5.5 to 6 gallons.... I could be wrong but I think 35 might be the best I can do....
Mar 9th, 2010 11:23 pm
lartross
Re: 50+ Mpg...???....how!!!!.....

For what it's worth, I did 130 mile ride today and averaged 51.4 mpg on a windy day...mostly side wind. These bikes are great. Side wind has so little effect. I remember going from Seattle to Lawrence Kansas once on I-90, coming out of the mountains of Montana with 80-90 mph sideways wind, leaning almost 45 degrees to go straight on my Honda CX500 in '78! This LT is so much solid-er! Of course, the wind wasn't blowing anything like that here. Maybe 15-20 mph....
Mar 9th, 2010 10:55 pm
fwkraft
Re: 50+ Mpg...???....how!!!!.....

My 07 averages out to 47MPG. Hardly ever reset the one fuel avg on the computer and it dosen't seem to matter two up 75+. I have tank averages that drop off, but overall 47 is accurate for mine.
Mar 9th, 2010 2:37 pm
Caveno
Re: 50+ Mpg...???....how!!!!.....

In the winter I use far more fuel than the summer, but I still manage to get in the mid 40's. There are lots of variables that affect fuel economy.
Mar 9th, 2010 2:14 pm
11862
Re: 50+ Mpg...???....how!!!!.....

Operating a spark ignition engine at unnecessarily high rpm results in poorer fuel economy because of the increased pumping loss. Lugging such an engine is necessary to get the best economy. That's why the overdrive (or any other scheme to reduce cruise engine rpm) is done in the automotive world.

Of course the practical limit to lugging (a bad word in my book too) is limited by driveline torsional dynamics and detonation etc too.
Mar 9th, 2010 1:35 pm
markc
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by tobiwan
In addition to what has been mentioned above, the RPM's and gear you are driving in will also have an impact on MPG's. Lugging the engine will use extra fuel. 4th and 5th gears are overdrive ratios and are for interstate roads in the 80 to 90+ range.

I sometimes find myself in a higher gear then is needed for the road and speed I am traveling. When I downshift to a better ratio the BC thanks me by adjusting the amount of fuel needed for operation and rewards me by increasing the miles till empty number.

A rule of thumb I try to practice is add 20-25 mph speed to what ever gear I am in, before shifting to a higher gear.

City driving never out of second gear.
State roads 3rd gear
Posted speeds on limited access roads no higher then 4th.
Exceeding posted speeds on limited access roads saved for 5th gear

higher speeds in high gears do have an impact on mpg's
It illustrates how many variable there are to the fuel economy picture that I do almost the complete opposite of what you do and I also average around 50 mpg. I am usually in 3rd or 4th in town and get up to 5th as soon as I can on the highway. I rarely exceed 65mph since I am not on the main roads very often.
Mar 7th, 2010 4:44 pm
jzeiler
Re: 50+ Mpg...???....how!!!!.....

Way too many variables. Just for grins today on a flat high way crusie engaged @66 MPH. I played around, sitting fully upright with a stock euro shield I reset the MPG counter and it stopped at 44 mpg. Next I leaned down out of the air stream and reset it again and it settled out at 46 MPG. Just that little bit of drag made a 2 MPG difference. My long term BC average is 44 with a 3 year 46 mpg avaerage (when I kept all the gas reciepts). I like to accelerate... a lot.
Mar 7th, 2010 12:15 pm
tobiwan
Re: 50+ Mpg...???....how!!!!.....

In addition to what has been mentioned above, the RPM's and gear you are driving in will also have an impact on MPG's. Lugging the engine will use extra fuel. 4th and 5th gears are overdrive ratios and are for interstate roads in the 80 to 90+ range.

I sometimes find myself in a higher gear then is needed for the road and speed I am traveling. When I downshift to a better ratio the BC thanks me by adjusting the amount of fuel needed for operation and rewards me by increasing the miles till empty number.

A rule of thumb I try to practice is add 20-25 mph speed to what ever gear I am in, before shifting to a higher gear.

City driving never out of second gear.
State roads 3rd gear
Posted speeds on limited access roads no higher then 4th.
Exceeding posted speeds on limited access roads saved for 5th gear

higher speeds in high gears do have an impact on mpg's
Mar 7th, 2010 11:07 am
lovetomotor
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by loser
I occassionaly see guys mention getting high 40's or even over 50 MPG's out of their LT. I probably average low 40's with a range of 39 to 47. I am ~ 260 lbs. and most of my riding is solo. I am a "lazy rider" and only hammer it rarely. I probably am due for a new air filter and plugs...27k on them (they are the original ones). The bike runs fine. Just wondering what most guys are getting MPG wise. Could my plugs and a dirty air filter be causing my lower average????? I do notice a slight seasonal difference....winter lower MPG....

Thanks,
Steve
This time of the year you will get lower mileage; however in the summer, given the hotter termperature and the higher the elevation, I have seen the high 50's on my 2003 LTE. I think I actually got better mileage using synthetic oil; now I use Castrol 20W 50, because it's cheap. On my trip this summer think I'll go back with the sinthetic and see what mileage I get; my bike has 67,000 miles on it so I have seen many different scenerios here.
Mar 3rd, 2010 9:25 pm
ATFLT
Re: 50+ Mpg...???....how!!!!.....

My 99LT must have broken in. Last summer I took a 4500 mile trip to California in 9 days and it averaged 59.4 with a high tank of 67.9 in the high mountains of California.
Mar 3rd, 2010 1:58 pm
11862
Re: 50+ Mpg...???....how!!!!.....

Even loaded two up I get 50+ mpg on my 2005 K1200LT. I drive near the speed limits, avoid the use of the brakes, and tend to stay in the higher gears for any cruise condition. Alone I get 56-57 consistently. The mileage indicator seems to be pretty consistent with calculated mileage.

High altitude really helps cutting the aerodynamic drag. Keeping the windscreen low also helps a lot.
Mar 3rd, 2010 10:06 am
dukey33
Re: 50+ Mpg...???....how!!!!.....

There are many factors that affect mileage. Among them are geography. As has been pointed out, some areas in the US have only E10 available for various reasons. The ethanol mixed gas will give lower mpg results.

Also, air density will affect mpg. In a nutshell, the lower the air density, the better gas mileage you will get. So folks living in higher altitudes will on average get better fuel economy than those near sea level. Thinner air also has less aerodynamic drag, another factor in better gas mileage.

This might seem counter-intuitive at first, knowing that an engine makes more power with more air, but consider when cruising along a vehicle needs much less than max power and the rpm and road speed are essentially fixed regardless of air conditions. So, if the air is thinner, less fuel is needed in the combustion mix. Yes, the engine makes less power but it is making enough anyway.

So, when compared to similar vehicles in other areas of the US, down here on the Tx coast (sea level, ethanol mix, etc), I expect to get lower mpg figures for a combination of reasons.
Mar 3rd, 2010 8:28 am
ironbuttwannabe
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by chrismaryharris
This last summer, when touring Berlin, Prague and Krakow 2 up, we did just over 3000 miles on a mixture of backroads and high speed motorways, averaging just over 52mpg for the whole trip. The computer showed just over 54mpg and is consistently about 2 or 3 mpg over what I read at the pumps. That was on an 08 LT - absolutely fantastic touring machine and great when ridden solo as well.
A question for those across the pond.

Are your gas companies putting Ethanol in the gas?
Mar 3rd, 2010 8:09 am
mwnahas
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by DanDiver
Got an 02 with about 45,000 miles and whether I use the computer or I actually divide the miles by the gallons, I generally average between 42 and 44 MPG. It's been this way for as long as I've had the bike and I quit figuring and worrying about it a long time ago.

I just hit the trip button after a fill up and get gas at about a 1/4 of a tank. Time to get off and take a break anyway.
Thats about what I get or even lower. The last time I saw 50 mpg was when we went 50 mph, we had a leader that wouldn't go over the speed limit and didn't hit any high speeds. Fastest road we saw was 50mph. zzzzzzz
Mar 3rd, 2010 7:41 am
DanDiver
Re: 50+ Mpg...???....how!!!!.....

Got an 02 with about 45,000 miles and whether I use the computer or I actually divide the miles by the gallons, I generally average between 42 and 44 MPG. It's been this way for as long as I've had the bike and I quit figuring and worrying about it a long time ago.

I just hit the trip button after a fill up and get gas at about a 1/4 of a tank. Time to get off and take a break anyway.
Mar 3rd, 2010 2:16 am
chrismaryharris
Re: 50+ Mpg...???....how!!!!.....

This last summer, when touring Berlin, Prague and Krakow 2 up, we did just over 3000 miles on a mixture of backroads and high speed motorways, averaging just over 52mpg for the whole trip. The computer showed just over 54mpg and is consistently about 2 or 3 mpg over what I read at the pumps. That was on an 08 LT - absolutely fantastic touring machine and great when ridden solo as well.
Mar 2nd, 2010 7:29 pm
Hilton
Re: 50+ Mpg...???....how!!!!.....

Does this mean I win !!

235.2 mpg If only that road kept going and going and going
Mar 2nd, 2010 4:08 pm
taylorjn
Re: 50+ Mpg...???....how!!!!.....

02 regularly got high 40s except when pulling the trailer - then high 30s/mountains mid-30s. 07 is similar, but at a steady 80 with calm winds regularly does 50+ with summer fuel; 45 with winter fuel.
Mar 2nd, 2010 1:55 pm
t61vance
Re: 50+ Mpg...???....how!!!!.....

My '05 has around 30K on it and it always averages between 49 and 51 mpg. I have never depended on the computer readout, preferring to base my mileage figures on what goes in the tank vs. distance traveled.
On my last two long trips with both my wife and I in full gear (I weigh about 230) and all the luggage stuffed full, we still maintained 50 mpg.
By contrast, I ride fast (70+ usually) with the windshield in a more upright configuration, but I don't rev it to the moon and seldom see 5K rpm. Even in the mountains and fully loaded, we never dropped below 47 mpg.
I have traveled on both a Gold Wing and an Electra Glide before, and this bike is FAR more fuel efficient (and fun).
Mar 1st, 2010 9:29 pm
MountianMama
Re: 50+ Mpg...???....how!!!!.....

One must remember that Us gallons and Canadian imperial gallons are different.
1 US gal = 3.96 Liters
1 Can Gal = 4.56 liters

Hence a Canadian will appear to get better milage.

We now measure KM per liter.
Apr 4th, 2008 12:06 pm
hip001
Re: 50+ Mpg...???....how!!!!.....

Ok now you got me wondering! I will calculate mileage by GPS mileage and Tripometer on my next trip. I know my speedo is off sometimes as much as 5mph according to the GPS. We'll see how this does.
Apr 4th, 2008 7:46 am
rglassma
Re: 50+ Mpg...???....how!!!!.....

I was getting as high as 60+ on occasion here near Denver on my '03 with an average of about 52 mpg. Usually would see about 320 - 360 miles per tank. With the bushtec loaded, 1 up, I would see about 45 mpg. Over time, I have seen that number decrease. Now I am running 45 - 48 mpg most of the time. Looking at right around 300 - 310 mpt this winter.. But, I haven't let it run dry.

I know I have been riding a bit harder, just changed the plugs, filters, etc. about 4K miles ago. This is combined city and highway. Haven't been on any real long trips for a while. I usually run 70 - 75 when on the highway (indicated) which equates to between 65 - 70 real life. I have been a little harder on the RPMs because I like the rush so I would say that my driving habits have changed a bit.

Here are a few things to consider:

1) The accuracy of the odometer is a big question (I believe mine is a bit fast)

2) How are you measuring mpg. Are you using a GPS or odo?

3) Has your trip computer been calibrated for average mpg?? I know mine hasn't.

4) What type of windshield? Stock, Cee Bailey with/without wings/ other aftermaker?

5) Octane, altitude, mapping (chip/nochip, etc.)

There are so many variables that it is difficult to really say how good things are or are not.

I have had a longtime friend that is a auto tech and a BMW rider tell me that babying the engine does nothing for fuel economy.

I know when I added some BG 44K a few months back, it helped as well. I have been told you should do that every 6K. Especially if you keep the revs down.

Just my experience.
Apr 3rd, 2008 8:51 pm
wacolt
Re: 50+ Mpg...???....how!!!!.....

You can get the BC to vary your gas mileage; just recalibrate it!


Want 75MPG? No problem!
Apr 3rd, 2008 9:27 am
hip001
Re: 50+ Mpg...???....how!!!!.....

My mileage varies. 44 low to almost 53 high. Last tank I was commuting and for some reason the needle likes the 80 mark. Also because it has been soooooooo cold here in central Florida ok ok truth is that I like the quieter ride with the shield up and wings out, so I can hear the radio talk shows, that I got 46.7mpg. This flagship bike loves to run and unless I watch my dials it wants to go 90+. I'm very thankful for the electronic cruise control!
Loser, I get it. It is good to have a sense of humor! I wear a skid lid sometime too or even without on short hops but Highways usually have on my fullface.

Do you guys find that a tank full start to empty at a set speed is the best MPG?
Apr 3rd, 2008 9:04 am
BMWWANDRR
Re: 50+ Mpg...???....how!!!!.....

I usually get 44-46, two up 75% of time. Last year heading north through North Dakota, two-up, loaded with camping gear, 35-40 mph tail wind, 80 mph on bike, we were showing 60 mpg. It was great heading north, but a turn to the east with wind from the south, you get the picture.
Apr 3rd, 2008 8:36 am
markc
Re: 50+ Mpg...???....how!!!!.....

In just over a year of owning my 2003 I have average 52.3 mpg, using E10 most of the time. Like many others have said I keep my windscreen down, my tires (Metzler 880 if you are curious) inflated quite hard and generally cruise along at 60-65mph. The fuel consumption stays pretty constant where I am home in Colorado and traveling the midwest.
Apr 2nd, 2008 10:17 pm
ironbuttwannabe
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by loser
The irony in my user name is a personal "joke/slam" on myself between a few close friends who are envious of the life I am living. Its too bad that everyone cant keep a sense of humility or stay non-judgemental....

To each their own my friend.......
It was just a joke, but if I see a LT in PA w/o a helmet I'm going to run them down and hopefully meet you.
Apr 2nd, 2008 4:27 pm
loser
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by ironbuttwannabe
I knew there had to be something ironic about your username!

The irony in my user name is a personal "joke/slam" on myself between a few close friends who are envious of the life I am living. Its too bad that everyone cant keep a sense of humility or stay non-judgemental....

To each their own my friend.......
Apr 2nd, 2008 3:54 pm
ironbuttwannabe
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by loser
. It seems obvious enough but I ride helmetless or with a "brain bucket" at best (still a HD guy at heart...c'mon...let me have it...lol)
I knew there had to be something ironic about your username!
Apr 2nd, 2008 12:31 pm
loser
Re: 50+ Mpg...???....how!!!!.....

WINDSCREEN and Winglets..... Finally got some warm weather yesterday and I rode with the windscreen down and winglets folded in. That was good for ~4-5 MPG increase. It seems obvious enough but I ride helmetless or with a "brain bucket" at best (still a HD guy at heart...c'mon...let me have it...lol) and have the windscreen up more than most guys riding LT's probably do.

I also need to keep a closer eye on tire pressure. I think I am quite often a few PSI lower than what some guys on here state they run in their tires.

Steve
Apr 2nd, 2008 9:52 am
hip001
Re: 50+ Mpg...???....how!!!!.....

I'm riding to Georgia on my first bike trip on the 17th. I will be interested to see what it will get highway miles.
Mar 29th, 2008 12:58 pm
jlewis5151
Re: 50+ Mpg...???....how!!!!.....

I don't run that high in rpm but I do try to keep it up around 3k or so. My '99 likes a min 40mph for 4th gear and min 50mph for 5th. My averages are 47 to 53mpg. I don't think there is a trick to it but there must be some reason. I suspect it is just some setup or calibration of the sensors for the engine computer. It is probably impossible to tell without some really expensive diagnostic equipment.
Mar 29th, 2008 12:42 pm
usmctpdog
Re: 50+ Mpg...???....how!!!!.....

My 05 normally got 48-56 MPG!! but then I rode in 4500-7500 RPM....

*You guys have to get out of the cruiser 2000-3000 rpm mode...
Mar 28th, 2008 11:00 pm
hschisler
Re: 50+ Mpg...???....how!!!!.....

I think you guys who get that kind of mileage should do a little seminar at CCR on how it's done. I calculate the mpg on every tank of gas. The best I've seen is 48.7, and that was 2 years ago. I average around 40 mpg.

Some interesting tidbits:
1. Adding Hella FF200 aux. driving lights reduced my mileage by 10%. They are relatively large, and are mounted beneath the mirrors, in the slipstream.
2. On a trip to the Gulf coast and back this week we were two-up, loaded for bear, pulling a trailer and cruising for two days, each way, at 80 mph. On the way down we got 34, 36, or 37 mpg on each tankful. On the way home we got 41, 42, or 44 mpg. We took a different route for part of the return trip, but had the same configuration and ran the same speeds. Go figure.
Mar 28th, 2008 3:55 pm
hip001
Re: 50+ Mpg...???....how!!!!.....

Just filled up and using mileage / gal I got 49.556mpg. This week I used the bike to commute to work 245.7 miles in 5 days till the fuel light came on. Filled it with 93 octane 4.958 gallons while sitting on the sidestand.
About 30 min highway and 10 min city each way. And at least 75 mph on the highway part. Not too bad for a "Light Truck".
Mar 28th, 2008 10:21 am
hip001
Re: 50+ Mpg...???....how!!!!.....

I have heard that the older LT's get better mpg. I consistantly get upper 40's and one tank I got 53.8mpg. I have yet to see upper 50's or 60mpg but I have not had mine out on a trip yet where I run any distance at a set speed. All my tanks have been mixed city and highway travel. I have noticed the windshield up does lower the mpg!
My friends on thier Gold wings are only getting low 30's. I'm getting better mpg on my LT than I ever did on my R1100RT and it was much lighter.
Mar 28th, 2008 9:13 am
ATFLT
Re: 50+ Mpg...???....how!!!!.....

My 99 usually gets 55-58 mpg. It got down to 45 one time running about 80 into a 25 mph wind. It has hit 67.8 twice. I met a couple in Red River with a 99 that said they got similar mileage. Depending on the tires I run my miles are 2-3.5% fast. Even allowing for that mine is still getting excellent mileage.
I haven't tried the 10% alcohol yet.
Mar 28th, 2008 8:45 am
jdunique
Re: 50+ Mpg...???....how!!!!.....

I am now riding a 2003 and my everyday commute yields mileage in the mid 40's riding on trips I have seen as high as 55 but that was at 60mph speeds in cool conditions. My previous LT was a 99 and it did a little better than that on trips(58-62), I have found the windscreen to have major impact on mileage I put a tall CBailey on the 99 and with it raised up I would experience 10 to 12 mpg less, my 03 has the stock windscreen and I generally ride with it almost all the way down, I guess I have learned to enjoy the breeze!
Mar 28th, 2008 8:25 am
rodneyinmaypearltx
Re: 50+ Mpg...???....how!!!!.....

Was getting 50 mpg consistently on both the LT & the Sportster until about 6 months ago. Now getting 42 on the LT, and about the same on the Sportster (don't ride it enough to tell).

I attribute the change to the addition of ethanol.
Mar 28th, 2008 3:46 am
meese
Re: 50+ Mpg...???....how!!!!.....

Quote:
Originally Posted by LAF
Anyone ever seen or heard if the Throttle Body is set up well stock, and ever needs synced, or any attention?
BMW synchs the throttle bodies at the factory and then ignores them for the life of the bike. I've only heard of one or two LT guys who have gone in and adjusted them. They claimed that the bike ran smoother and the normal K-bike vibration was noticeably reduced, but it's far from a common practice.

Heck, I haven't synched a fuel system since my '80 XS11 and its four big ol' carbs.

And you're right about driving habits playing a large factor in overall fuel mileage. An active right hand makes a big difference, even in comparison with two LT's riding together in the same conditions. I got used to putting in just a bit more fuel than my buddy whenever we'd ride together.

But yeah, the added fun factor is generally worth it.
Mar 28th, 2008 1:50 am
lhroaddog
Re: 50+ Mpg...???....how!!!!.....

I had an 03 LT and consistantly got 51-53 mpg even when riding 2 up and loaded with luggage. Traded it in on a new 07 last year and it touched 60 mpg running 2 up and loaded. I'm not sure what to expect in the long run as I only have 2700 miles on it so far. Work took its toll on my riding season last year. This year I put in for lots of vacation so I can ride it and find out what it can really do.
Mar 28th, 2008 12:14 am
Route66
Re: 50+ Mpg...???....how!!!!.....

We hit an all time for us at 52.7 MPG riding two up with some gear last summer. However, it was at elevation in central Oregon around Crater Lake with average temperature around 87 degrees and average speed of 65 mph. With the Unigo attached it dropped to an average of 48-49 MPG during the whole trip. However, this is a 2000 LT and has always found her best milage on the open road at 65-75 mph.
Terry
Mar 27th, 2008 10:04 pm
tobiwan
Re: 50+ Mpg...???....how!!!!.....

On my trip to 06 CCR two up, super slab most of the way 80 to 85 indicted, kept very close records. totaled milage against gallons purchased averaged 50.3 MPG. Computer showed an average of 48 mpg up until my 18K service when average dropped to 43 mpg. And so it has remained for the next 18K miles. 12K of those miles were on my four corner last august. The trip computer showed average of 43 for most of the time. except there were a couple times when the average increased to to 49 and milage for that tank reflected the higher amount. then it would drop back down. I am going to do the canisterectomy before going back on the road this Spring. All service dealers can give me no reason for the almost 15% drop in milage. Eugene OR service good, Orlando BMW Service (very VERY expensive, and no kiss either) will see if there is a return to the higher and needed range for milage. will report on what I discover. Till spring then
Mar 27th, 2008 9:50 pm
RealWing
Re: 50+ Mpg...???....how!!!!.....

In 2006 (the year the bike was purchased) , I rode from Ontario to Calgary Alberta and back (5000 miles) and averaged 41.2 MPG(US). In 2007 I rode to West bend WI and back (1600 miles) and averaged 45.3 MPG (US) and also to CCR (2100 miles) and averaged 43.6 MPG (US).
This was one up riding with windscreen up at max posted speeds (plus a bit)
Mar 27th, 2008 9:27 pm
Silverhair
Re: 50+ Mpg...???....how!!!!.....

In the 45 days/1500 miles I've had my 99, I'm averaging 40mpg. typical ride is a commute from the suburbs to inner city DC & return. Lot of painful stop & go in town, HOV on I 95 & 395.

I have the windshield up, winglets deployed, heated Gerbing jacket liner, grips & stereo going as well. Tire pressure is just above recommend spec. I'm sure this will improve as the weather gets warmer.
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