[garandman]

From NESR:

I'm 6'4"/250; when I rode on the highway, my mileage definitely dipped down into the low 40s or so. That detuned 650 mill just isn't powerful enough to overcome the drag without burning a lot of extra fuel.

--mark

So, how many other riders are getting mpg in the low 40's on the highway?

I weigh as much as he does, always have Jesse bags mounted, and get right around 50mpg at fast commuting speeds in and around Boston.

 

[ozart]

My normal fuel mileage is in the low 40's at a constant 75mph. That would be 80+ on the stock speedometer.

The key word is constant. A mixture of high and low speeds results in the ~50mpg range. It goes up from there with less high speed riding.

 

[tmcgee]

His right grip needs attention. If I keep the revs up around 6k or higher, I'm lucky to get out of the high 30's. Under 5k and I get over 300 miles to a tank.

 

[Mud Puddle]

I got 36mpg while crossing Kansas on the hwy, but there was quite a head wind so I'm not sure that counts.

On a normal ride on the hwy I usually get 46 mpg.

 

[Chuck_U_Farley]

On the highway I cruise at 6k rpm's and get about 42-45 mpg depending on wind and cargo load.

 

[jeems]

What's the highway?

 

[theisland]

I get 55mp/g on average on the Tans Canada. I drive 120KM (75 or so miles) everyday, so I am keeping it constant at 5.5 RMP.

 

[Banks C]

Pretty consistent 50 - 52. Interesting thing is that I installed a 16t countersprocket and on pure highway riding I get around 54. But I have lost a bit on 2 lane roads.

I assume it because I am downshifting to pass so much more often. Probably will revert back to 15t countersprocket on next chain change and decrease 2 teeth in back. Sort of try and split the difference as I do like the fewer RPM's at highway speeds.

 

[garandman]

I logged off the fuel use with a 16t. There was no difference. Perhaps there woulbe if you do a lot of highway cruising, but I dont.

 

[Bstrom650]

6'4" and 250 lbs? That's good for a few mpg's dropped all by itself!

The 16t setup seems perfect for my 5' 10", 200 lb. carcass with 50/50 intown/highway conditions which renders an average of 54 mpg - this includes two side and one top hard cases, too.

Synthetic oil should help the mpg's - and tire pressure is paramount for safe cornering if not for fuel mileage too. Are your plugs aging? Is your fuel of a decent quality?

It's a combination of factors that give us the results we're getting so attention to extenuating conditions is a big part of the equation.

 

[rconti]

So, how many other riders are getting mpg in the low 40's on the highway?

I weigh as much as he does, always have Jesse bags mounted, and get right around 50mpg at fast commuting speeds in and around Boston.

Loaded? Yeah. What is "fast commuting?" What kind of speed (actual or indicated), or engine speed if stock gearing?

With a full set of luggage, 42mpg is about average when cruising at 80mph on the GPS, 6500 or 7krpm if memory serves.

If I slow as hell (60-65mph actual, so maybe 67-70 indicated) I can get mid 50s.

 

[SCraig]

I did until I changed the front sprocket. Before I went to a 16-tooth front sprocket interstate speeds were consistently in the mid-40's. After I went to a 16-tooth sprocket interstate speeds were consistently around 50. It made a difference for me but I have read that it made no difference for others.

 

[bassbronco_74]

low 50's

i have gotten nothing but low 50's for fuel mileage, and my commute is 25 miles one way, and only about 1~ish miles is not on the highway/freeway, i should also mention that my speeds are around a true 70mph...sometimes i am stuck in stop and go traffic which i would think is also bad on gas mileage?

beginning of summer i was right at 50, but then i switched to regular from premium and now i consistently get 53+mpg

:mod2_scooter:

 

[triclavian]

I get 40-50 mpg and weigh about 230. I see 40 in-town and with shorter trips.

 

[OydnaR]

Loaded? Yeah. What is "fast commuting?" What kind of speed (actual or indicated), or engine speed if stock gearing?

With a full set of luggage, 42mpg is about average when cruising at 80mph on the GPS, 6500 or 7krpm if memory serves.

If I slow as hell (60-65mph actual, so maybe 67-70 indicated) I can get mid 50s.

fast commuting in metropolitan Boston means never reaching highway speed for more than a couple miles

you could never accurately assess highway milage without taking a trip of nothing but highway and average out a few tanks of fuel

 

[ozart]

fast commuting in metropolitan Boston means never reaching highway speed for more than a couple miles
you could never accurately assess highway milage without taking a trip of nothing but highway and average out a few tanks of fuel

Kinda what I thought. In those conditions here, I'd probably avg around 55 here. btw, what are the speed limits in that area?

 

[Phinhead]

I run 100 miles a day, 5 days a week, on the slab, and I get 42 with the Givi luggage, and 46 without. 200 miles a tank is the norm.