Odometer Error?

bcar00 · Jan 10, 2026

sepfj said:
On a flat highway traveling 60 to 70 mph mine will show an instantaneous of 50mpg or more in high gear. What I've noticed is that I get great mileage in high gear and it drops considerably in any of the other gears and it really doesn't seem to matter much about the speed so I usually short shift it and get it in 6th gear as quickly as I can. This thing has so much torque that it doesn't seem to care....it just pulls. I ride mainly country roads, so I can keep it in 6th gear most of the time. If I have to do a lot stop and go driving then the mpg suffers big time.

Any one else not seeing these kinds of numbers? Seems everyone here is getting 6-8mpg more than I am. My bike is low miles and runs great otherwise. Any suggestions where to look? If I could get 150+ miles on a tank, it would make life a lot easier. Been looking at other bikes recently, ONLY because of the range I get on a tank. Sick of having to search for a place to fill up twice on every ride.

Tripps · Jan 10, 2026

bcar00 said:
Great, that's what I was looking for. Depressing!

Wish I knew why mine gets such crappy mileage? I don't hammer on it, as I've got my Ducati when I want that. I'll show instantaneous of 42mpg at 75mph on a flat hwy, but my overall average sits at 34mpg around town and short hwy. Curious what yours shows instant at hwy speed?

Sounds about right, remember it's an 800 lb bike

vsteel · Jan 12, 2026

I average around 45mpg (US gallon) but I have over half of that at 55mph on the highway. Stop and go really hits the mpg hard, and I know for me, when I am over 60mph the mileage starts to drop pretty quickly. The wind resistance starts to really kick in.

Einar · Jan 12, 2026

I record all fuel-ups in Fuelly. Based on that data, I've averaged 33.604 U.S. MPG over the past 2 years. My worst ever fill-up was 26.316 and my best was 44.104 (pure highway between the two stations).

That's on 89 U.S. octane (RON + MON)/2

This is, of course, based on the bike's "perception" of mileage traveled. Since it's 8% high, the calculated MPG is also 8% high.

Einar · Jan 12, 2026

Tripps said:
Sounds about right, remember it's an 800 lb bike

The Rocket 3? The GT is ~700 lbs. with all fluids (648.2 dry). With the Werkes exhaust it's about 675 lbs. wet.

TURBO200R4 · Jan 12, 2026

Einar said:
I record all fuel-ups in Fuelly. Based on that data, I've averaged 33.604 U.S. MPG over the past 2 years. My worst ever fill-up was 26.316 and my best was 44.104 (pure highway between the two stations).

That's on 89 U.S. octane (RON + MON)/2

This is, of course, based on the bike's "perception" of mileage traveled. Since it's 8% high, the calculated MPG is also 8% high.

I did that on my 2007 and that to turn out to be 33. something mpg
the best was going up and down mt lemon was 50. something mpg on a nice trip was 44mpg

bcar00 · Jan 12, 2026

Einar said:
I record all fuel-ups in Fuelly. Based on that data, I've averaged 33.604 U.S. MPG over the past 2 years. My worst ever fill-up was 26.316 and my best was 44.104 (pure highway between the two stations).

That's on 89 U.S. octane (RON + MON)/2

This is, of course, based on the bike's "perception" of mileage traveled. Since it's 8% high, the calculated MPG is also 8% high.

Ok, that's more like what I'm seeing. Around town really hits this bike hard. I guess maybe mine isn't so far off. Just wonder about all the guys who swear they get 44mpg all the time, or maybe everyone else just rides 60mph on the highway all day long.

Tripps · Jan 12, 2026

Ok, remember it's a 700 lb bike then.

Odometer Error?

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