I know the answer is kind of out there already, but I can never resist
fuel economy talk.

I once had a 1.8L car that would do 44mpg, that was my first lesson in
how nice high fuel economy is, after experiencing good fuel economy
everything else feels so wasteful.

That being said, I don't have a 550, but I do have a 750, and I can
tell you also, something would definitely be wrong with only getting
68 miles, I know there are tank size differences, but that's just too
much! 550's are supposed to burn less than a 750 as well!

I've been keeping track of my fuel economy on my 750 because I've just
got it back on the road and I'm trying to determine what else might
need doing or adjusting based on what kind of mileage it's getting.

I just achieved my lowest MPG the other day of 34, I had gone 115
miles and it took 3.35 gallons to fill. I hadn't even switch to
reserve yet, but that is on the low side, I had done some highway
miles in headwinds and city driving with some upper end RPM ranges,
which will always go through more gas than tailwinds and low rpm
riding.

The best MPG I have for it is 53, I calculated that during a run
through the Rockies here in Canada. That run was 98 miles and it took
1.82 gallons to fill (I could have run longer but it's risky taking
chances like that when fuel stops are few and far between in
mountains). I also have a few readings in the 40's, so I know it's
roughly where it should be.

So in summary, if my old 750 can achieve an average of 42, you
certainly should be doing equal or better mileage than that on a 550.

PS: I actually did up an automated script which I've been keeping
track of my fuel economy, if anyone is interested in my numbers,
http://dev.misqueeto.ca/scripts/fuel-economy/ I'm a little obsessive
about some things, haha.

On Apr 9, 12:31 pm, stanley/ Randolph <[email protected]> wrote:
> 65 - 75 on my 250 and that's with two up, total wt of about 325 lb.
> Can't tell you on my 450, gotta do the brake caliper first. 
>  
>
> ________________________________
> From: paul annen <[email protected]>
> To: [email protected]
> Sent: Wed, April 7, 2010 4:40:38 PM
> Subject: Re: [Nighthawk Lovers] 83 550 range/ mpg
>
> i weigh 260 and i get 53 on my 250 riding wide open all the time
>
> On Wed, Apr 7, 2010 at 5:39 PM, MrViggy <[email protected]> wrote:
>
> I was going to say that doesn't sound right.  I get about 150 on my 700SC, 
> and I weigh 200 lbs...
>
>
>
> >Viggy
>
> >On Wed, Apr 7, 2010 at 3:09 PM, <[email protected]> wrote:
>
> >I get twice that mileage & weigh about 250 with a backpack
>
> >>Apr 7, 2010 03:33:42 PM, [email protected] wrote:
>
> >>What should I be expecting for range/ mpg on this? I had to switch to
> >>>reserve after approx. 68 miles.
>
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