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-   -   MPG? (http://www.gz250bike.com/forum/showthread.php?t=358)

gossterd 06-04-2007 08:47 AM

MPG?
 
Hi, i just bought a 2000 GZ250. First tank of gas was 86 MPG!!! Is this typical?

Thanks, Tom

Easy Rider 06-04-2007 09:00 AM

Re: MPG?
 
Quote:

Originally Posted by gossterd
Hi, i just bought a 2000 GZ250. First tank of gas was 86 MPG!!! Is this typical?

Maybe but probably not. Average of the reports I remember seeing is about 65. Some as high as 75. Your 85 figure is, no doubt, possible with a VERY conservative riding style but most likely it is partly due to not filling the tank to the same level as you started with.

Dupo 06-04-2007 10:14 AM

I got 80mpg with mine every so often. Badbob gets some great mileage with his.

birdmove 06-04-2007 11:30 AM

Keep us informed on what your getting on your later fillups.
jon

Gadzooks Mike 06-04-2007 11:30 AM

I get a pretty consistant 65mpg around town. I get a bit better long distance, but not a lot better, since I only travel two-lane roads and end up going through a lot of small towns.

GZ250 06-04-2007 03:14 PM

whooo, never get that much on 05 GZ. if you stay 50-55mph than its possible, at faster sppeds milage drops. i average around 62-65mpg. i commute 50 miles/day.

gossterd 06-04-2007 03:37 PM

Thanks Everybody.

My commute is 34 miles round trip. All back roads, and I don't exceed 40 MPH.

When I filled the tank it was real close to full both times. ( the difference between 65MPG & 85MPG for 147 miles is over .5 gallon. I'm sure that wasn't the case )

Easy Rider 06-04-2007 06:36 PM

Quote:

Originally Posted by gossterd
My commute is 34 miles round trip. All back roads, and I don't exceed 40 MPH.

When I filled the tank it was real close to full both times. ( the difference between 65MPG & 85MPG for 147 miles is over .5 gallon. I'm sure that wasn't the case )

Well, riding like that most of the time, you just might get 85 mpg!

To get a true picture of your mileage, you need to total the miles and gallons for 3 or 4 fill-ups. True for any vehicle, not just bikes.

johncruise 06-05-2007 01:50 AM

Anybody here traveling 4 miles round trip with 4-5 stop lights everyday? I just get 39 miles per gallon "max" (average 37MPG). I know something is definitely wrong... I need to send it back for warranty check/repair.

I need to know how much mileage people close to my travel distance are also getting so I have a point of comparison.

Thanks in advance....

John

davidc83 06-05-2007 07:50 AM

When i was on vacation in the mountains of Norther GA, keeping it under 40 mph, I was averaging 100 mpg.
On my commute to work, if i keep it 55-60 mph, I avg 85-90 mpg, depending on how much head wind.
My weekend outings, which include steep hills, lots of stop and go (lots of stop signs on farming country roads), I average 70+mpg.
The only time I have not got this good mpg is when I came back from my vacation, and I was running interstate at 70-75mph thru the hills of kentucky, but I still got 65+mpg.

yes I fill to close to same level each time. I have made a small notch(scratch) inside my gas tank (dont ask, dont tell) which I fill to each time. I place my bike on its kick stand each time and I am aware the pavement level may not be the same, but only by a tenth or so of a gallon of gas.

I am constantly geting 220+ miles before I go on reserve (which I try not to)

Last few fill ups:
160 miles-2.1 gallon
190 miles-2.3 gallon
200 miles-2.6 gallon
While on vacation:
80 miles-0.8 gallon
110 miles-1.1 gallon
I assumed this gas mileage was due to lower constant long speeds (35-40mph for 2 or more hours) and the higher elevation of the appalacian mountains.

Gas mileage depends on your riding style, riding/shifting techniques and is completely different from each rider to the next. My riding buddy rides a suzuki 350cc dual sport and constantly gets 110+mpg (and has done this for years), and he weighs a lot more than I do.

Easy Rider 06-05-2007 09:42 AM

Quote:

Originally Posted by johncruise
Anybody here traveling 4 miles round trip with 4-5 stop lights everyday? I just get 39 miles per gallon "max" (average 37MPG). I know something is definitely wrong... I need to send it back for warranty check/repair.

I need to know how much mileage people close to my travel distance are also getting so I have a point of comparison.

You probably should get it checked over, however...........

Driving 2 miles with a couple of stops along the way won't even get it warmed up good.
Mileage may improve some after it is broken in good but your routine won't give it a good break-in either. You REALLY need to do a ride of 10-15 miles at least once a week to give it some good exercise.

My guess is that your 2 mile trips will never average more than 40 mpg.

GZ250 06-22-2007 05:19 PM

davidc83, have you done modifications/alterations to your bike. getting such a high MPG is incredible. i also drive at 50-60mph and never go above that or my bike never goes above 65 (full throttle).

any suggestions other than driving habits or driving at low speeds.
thanks

jonathan180iq 06-24-2007 11:50 PM

Quote:

Originally Posted by johncruise
Anybody here traveling 4 miles round trip with 4-5 stop lights everyday? I just get 39 miles per gallon "max" (average 37MPG). I know something is definitely wrong... I need to send it back for warranty check/repair.

I need to know how much mileage people close to my travel distance are also getting so I have a point of comparison.

Thanks in advance....

John

Consider this, sitting in traffic gets 0 miles per gallon. If you spend most of your time in traffic you will definately kill your mileage numbers.
My trick, at long red lights and at RR tracks is to just shut it down.

davidc83 06-25-2007 07:46 AM

gz250,
No modifications done to the bike except when I bought it, there were 4 extra holes drilled out of the muffler, they were done so exact I thought they were stock holes. they are 3/8" holes drilled out in a cross pattern from the stock hole about an inch from the stock hole. Also I have noticed, the higher the altitude I ride in (even a couple hundred feet higher) I get better gas mileage.

Oh, I just filled up after 2 days commuting to work, 144 miles-1.7 gallon.

Badbob 06-26-2007 06:33 PM

My Gas Mileage
 
http://www.robertkeeney.com/blog/index. ... 318-083902

jonathan180iq 06-28-2007 10:07 AM

IT MIGHT BE IMPORTANT TO NOTE THAT, ACCORDING TO BADBOB'S RECORDS, HE REACHED 65MPG ONLY ONCE AFTER THE NEEDLE SHIM.

Sorry for the caps,
Jonathan

Easy Rider 06-28-2007 05:18 PM

Quote:

Originally Posted by jonathan180iq
IT MIGHT BE IMPORTANT TO NOTE THAT, ACCORDING TO BADBOB'S RECORDS, HE REACHED 65MPG ONLY ONCE AFTER THE NEEDLE SHIM.

And your point is ????

If you are going to summarize his data, it would be nice if you would include his new average too.

I think it is pretty well understood that the pipe+air box+carb mods are not intended (or expected) to increase the fuel economy.

If that's your main concern, you should leave it STOCK (with a 16T sprocket).
:roll:

Badbob 06-28-2007 05:49 PM

I noticed that myself.

However, it made such a huge difference that I'm reluctant to put it back just to find out. I can shift now where i want to instead of shifting to avoid the flat spots.

Caps are easy to fix. There is a key on your keyboard for that. I hate that key. :)

jonathan180iq 06-29-2007 08:15 AM

Quote:

Originally Posted by Easy Rider

And your point is ????

It should be seen by the inexperienced that adjusting for more fuel flow will result in a decrease in mileage. :roll:
If your goal is not mileage, then you probably wouldn't care.

GZ250 07-11-2007 05:13 PM

MPG
 
I think MPG also depends where you park your motorcycle. I do not have a covered place so mine sits outside under the sun the whole day. So you will loose some gas as vapors or fumes and in sunny days I hear the fumes escapin the gas tank. This will obviously give a less milage. am i right?

jonathan180iq 07-11-2007 07:59 PM

Yes. But, over the long haul, it's not going to make a HUGE difference.

Easy Rider 07-11-2007 08:43 PM

Re: MPG
 
Quote:

Originally Posted by GZ250
I hear the fumes escapin the gas tank. This will obviously give a less milage. am i right?

Yes but probably not even enough to be perceptible (like maybe .001 mpg).
After all, some of what is escaping is AIR that is let in as the fuel goes down.


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