MPG DATA and RANGE INFO - Stromtrooper Forum : Suzuki V-Strom Motorcycle Forums
DL650A - 2012-2016 DL650A 2012-2016 (L2-L6)

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post #1 of 15 Old 06-10-2018, 02:34 PM Thread Starter
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MPG DATA and RANGE INFO

Collected data over 7 tanks of a long but consistent commute.

Conditions
Altitude: 4250ft MSL
TEMPS: Avrg morning temps 78
Avrg afternoon temps 92
This combo of high altitude and high temp results in very high ďdensity altitudeĒ meaning that the actual usable air density is very LOW and the performance of an engine, and the drag at freeway speed are reflective of closer to 7000 feet MSL.
Drag reduction bennifits generally outweigh power loss at altitude meaning in my environment I can get higher cruising speeds with better mpg than someone else could at lower altitude with more power, but much more drag. Example: my best MPG speed up here in hot mountain environment might be 71 but in cold, sea level Alaska it might be closer to 61.


TANK1
Miles: 245.5
Gas added: 4.75 gallons
Computer says 49.7 mpg
Math says 51.6 mpg

Bars 90miles
120 miles
150 miles
170 miles

203 fuel symbol started flashing
230 fuel symbol and last bar started flashing
Engine cut out during right turn at intersection at 243 miles
Sounded like there was virtually NOTHING IN THE TANK WHEN SHOOK yet it took only 4.75 gallons were added to tank that holds 5.28 gallons.

TANK2
Miles: 217.5
Gas added: 3.98 gallons
Computer says 51.8 mpg
Math says 54.6 mpg

Bars 82 miles
110 miles
137 miles
161 miles

210 Fuel symbol started flashing
Last bar never flashed.



TANK3
Lost the first bar at 90 miles I think computer currently says 51.7 miles per gallon
bars. 90 miles
115-122 somewhere
145-150 somewhere
175 miles
184
211 lost another bar and fuel symbol started flashing

Miles: 240.8
Gas added: 4.39
Computer says 52.9 mpg
Math says 54.8 mpg


TANK4
Lost first bar at 67.5 miles and the computer says I am currently getting 49.5 miles per gallon

Miles: 203
Gas added: 3.69 gallons
55.12 mpg
Computer 53.2



TANK5
Bars. 75
118
144
171

205 fuel symbol flashing

Miles: 228.6
Gas added 4.37 gallons
52.3 mpg math
50.4 mpg computer


Tank 6
Miles: 232.1
Gas added: 4.50 gallons
Math 51.57
Computer 50.1 mpg
Last bar never flashed


Tank 7
Miles: 207.7
Gas added: 3.909 gallons
Math 53.13 mpg
Computer 50.9 mpg
Last bar never flashed
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2014 Vstrom DL 650 2,500 miles Custom Nuvi 205 GPS mount, dual usb power outlet, Arkon iphone handelbar mount, CalSci Medium windshield, ABS kill switch mod, Adventure tech Fork Brace

Last edited by johnwalton; 06-11-2018 at 11:02 PM.
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post #2 of 15 Old 06-10-2018, 02:36 PM Thread Starter
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Iíll clean it up

Iíll clean up the formatting and standardize data from each tank later but wanted to get this on the forum before the page timed out.

2014 Vstrom DL 650 2,500 miles Custom Nuvi 205 GPS mount, dual usb power outlet, Arkon iphone handelbar mount, CalSci Medium windshield, ABS kill switch mod, Adventure tech Fork Brace
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post #3 of 15 Old 06-11-2018, 11:21 AM
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Gas grade and % of ethanol used?

Two wheelz for realz!
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post #4 of 15 Old 06-11-2018, 12:26 PM Thread Starter
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MPG DATA and RANGE INFO

Quote:
Originally Posted by Webfors View Post
Gas grade and % of ethanol used?


Middle grade. Which is 87 here where I live. I know itís not needed to use middle grade on the DL650A but when Iím giving it full throttle up a hill and I donít down shift and cylinder pressures are high itís a tiny bit of insurance.
Iíll check the ethanol levels.


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post #5 of 15 Old 06-11-2018, 06:16 PM
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I wonder if the trip computer is intentionally off just like the speedo, or if other variables cause it to disagree with the actual math. The differences seem consistent within a few tenths.

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post #6 of 15 Old 06-11-2018, 10:58 PM Thread Starter
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Quote:
Originally Posted by locoblanco View Post
I wonder if the trip computer is intentionally off just like the speedo, or if other variables cause it to disagree with the actual math. The differences seem consistent within a few tenths.


I wondered the exact same thing.


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post #7 of 15 Old 06-11-2018, 10:59 PM Thread Starter
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Quote:
Originally Posted by locoblanco View Post
I wonder if the trip computer is intentionally off just like the speedo, or if other variables cause it to disagree with the actual math. The differences seem consistent within a few tenths.


What reason is the speedo intentionally off? I heard it once but forgot .


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post #8 of 15 Old 06-11-2018, 11:13 PM
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Quote:
Originally Posted by johnwalton View Post
Collected data over 7 tanks of a long but consistent commute.

Conditions
Altitude: 4250ft MSL
TEMPS: Avrg morning temps 78
Avrg afternoon temps 92
This combo of high altitude and high temp results in very high ďdensity altitudeĒ meaning that the actual usable air density is very LOW and the performance of an engine, and the drag at freeway speed are reflective of closer to 7000 feet MSL.
Drag reduction bennifits generally outweigh power loss at altitude meaning in my environment I can get higher cruising speeds with better mpg than someone else could at lower altitude with more power, but much more drag. Example: my best MPG speed up here in hot mountain environment might be 71 but in cold, sea level Alaska it might be closer to 61.


TANK1
Miles: 245.5
Gas added: 4.75 gallons
Computer says 49.7 mpg
Math says 51.6 mpg

Bars 90miles
120 miles
150 miles
170 miles

203 fuel symbol started flashing
230 fuel symbol and last bar started flashing
Engine cut out during right turn at intersection at 243 miles
Sounded like there was virtually NOTHING IN THE TANK WHEN SHOOK yet it took only 4.75 gallons were added to tank that holds 5.28 gallons.

TANK2
Miles: 217.5
Gas added: 3.98 gallons
Computer says 51.8 mpg
Math says 54.6 mpg

Bars 82 miles
110 miles
137 miles
161 miles

210 Fuel symbol started flashing
Last bar never flashed.



TANK3
Lost the first bar at 90 miles I think computer currently says 51.7 miles per gallon
bars. 90 miles
115-122 somewhere
145-150 somewhere
175 miles
184
211 lost another bar and fuel symbol started flashing

Miles: 240.8
Gas added: 4.39
Computer says 52.9 mpg
Math says 54.8 mpg


TANK4
Lost first bar at 67.5 miles and the computer says I am currently getting 49.5 miles per gallon

Miles: 203
Gas added: 3.69 gallons
55.12 mpg
Computer 53.2



TANK5
Bars. 75
118
144
171

205 fuel symbol flashing

Miles: 228.6
Gas added 4.37 gallons
52.3 mpg math
50.4 mpg computer


Tank 6
Miles: 232.1
Gas added: 4.50 gallons
Math 51.57
Computer 50.1 mpg
Last bar never flashed


Tank 7
Miles: 207.7
Gas added: 3.909 gallons
Math 53.13 mpg
Computer 50.9 mpg
Last bar never flashed

I had the same problem, but my doctor got me on some meds for my obsessive-compulsive disorder.

Incidentally, when I replaced my front tire with a 50/50 tire of the same size but with thicker tread, and larger OD, my odometer and speedometer are now accurate.


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2015 DL650XT w/ factory Suzuki/Motech side cases and engine guard.
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Suzuki handguards
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Fat, foamy grips
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Go-Cruise throttle lock
JD Astar 1260 lumen LED tail light bulb
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Hyde Racing skid plate
Adventuretech kickstand foot, fork brace, fender raising kit, and peg lowering kit.
Zita 26mm up / 20mm back risers
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post #9 of 15 Old 06-12-2018, 11:17 AM
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Over the 22k plus miles I've had my bike the mpg ranges from a low of around 48 to a high of 60.
Speed and stopping as you might imagine are the biggest factors for moving my mpg up or down.

50-65 mph and not stopping but for fuel will easily return 60mpg even with hard bags and a top box and the givi screen in the up position

Running errands on surface streets in LA and I've seen times where it's like 45mpg.
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post #10 of 15 Old 06-12-2018, 06:10 PM
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I average 67 mpg.

Commuting at 50 mph max, 40 mile round trip per day, 200 miles a week. At sea level (Southern Maine)
10% ethanol, 87 octane.
Street tires (Michelin Pilot Road 4 trail).
Factory hard panniers always on.

My trip computer always comes up short, saying 58-61 mpg. But the math works out differently.

2015 V-Strom 650XT

Last edited by Rubline; 06-12-2018 at 06:15 PM.
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