Fuel warning light vs fuel capacity vs calculated fuel consumption

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C

csirkefoga

Joined
Jan 23, 2017
Messages
22
Location
Budapest
Hello Guys,

Something's not right with the above parameters on ma bike.
Manual says fuel tank capacity is 18.5L.
My usual fuel consumption is between 6.5-7.5L.
Worst case scenario range should be 246 km.

However I usually get the warning light at 150-170km and people up here said they'd run out of fuel @30 km's after the warning light came on.

Therefore, whenever the light comes on I go and find a gas station.
Most fuel I've ever pumped was 13L though.

So I'm quite confused. I hate going to gas stations, would like to go when really necessary, also don't want to run out of fuel just to test this out.

Anyone else tried running it dry with similar fuel consumption data?
Tell me please how many km's You were able to run on 1 full tank on even roads.

Thanks


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I run empty 100 yards from the petrol station and coasted in. It to 15.9l to fill it up? Go figure
 
We I'm out right now about 10pm UK time and ran out of fuel again! I must stop pushing the reserve light

134 miles this time with 17.4 miles being on reserve

Best I've done his 150 miles Inc reserve

Worst is about 118 miles Inc reserve Road riding only not track

I've literally just filled up 18.02lt of fuel. It completely died and I had to roll half a mile to the garage... Ffs

Sent from my G8141 using Tapatalk
 
Birky41 said:
We I'm out right now about 10pm UK time and ran out of fuel again! I must stop pushing the reserve light

134 miles this time with 17.4 miles being on reserve

Best I've done his 150 miles Inc reserve

Worst is about 118 miles Inc reserve Road riding only not track

I've literally just filled up 18.02lt of fuel. It completely died and I had to roll half a mile to the garage... Ffs

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Click to expand...

8357ec2075bf9a7abd00bafbc729cf0a.jpg


I also understand, that due to temperature differences You might not be able to pump the 18.5L fully into the tank, but 0.5L difference doesn't seem to be within the normal range.

So OK, 18L total should mean 240km's for me (150 miles) with 7.5L consumption.

Many thanks



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I guess the amount you pump in from empty is dependent on how you bike sits when you fill it up
Birky 18.2 very close to the 18.5 spec so I guess it was upright possibly you were sat on it and it was brimmed as close to the filler neck as you dare?
Heppy 15.9 possibly on side stand and filled to a conservative level.

I am only guessing here and not criticising any one,
 
Forgot to say, mine was the 2012 model. No way would you get 150 miles out of a tank no matter how you ride. The light would come on at around 100 miles and the worst I had on reserve was 10 miles, at best 25 both run to empty.
Got the 2016 factory now and run out at 130 miles.
 
Nope, it was to the brim, to the point it came out of the breather.
hs2300 said:
I guess the amount you pump in from empty is dependent on how you bike sits when you fill it up
Birky 18.2 very close to the 18.5 spec so I guess it was upright possibly you were sat on it and it was brimmed as close to the filler neck as you dare?
Heppy 15.9 possibly on side stand and filled to a conservative level.

I am only guessing here and not criticising any one,
Click to expand...
 
Heppy said:
Forgot to say, mine was the 2012 model. No way would you get 150 miles out of a tank no matter how you ride. The light would come on at around 100 miles and the worst I had on reserve was 10 miles, at best 25 both run to empty.
Got the 2016 factory now and run out at 130 miles.
Click to expand...

I have the "˜17 Factory, which should have the same dimensions as Birky's in terms of fuel.

HS has a point with the side stand, but Birky said 18.02 not 18.2. 0.5L is not close imho.

Or do You think some gas nozzles are more sensitive than others? ( [emoji23])


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Heppy said:
Forgot to say, mine was the 2012 model. No way would you get 150 miles out of a tank no matter how you ride. The light would come on at around 100 miles and the worst I had on reserve was 10 miles, at best 25 both run to empty.
Got the 2016 factory now and run out at 130 miles.
Click to expand...

2012 had a smaller tank 17l Iirc. which makes some sense in what you said 15.9l to fill up.
 
Have a Factory 2017.

Largest fuel fill 17.8 L when it ran out several times till it won't start anymore [emoji38] then pushed for 50m

Max distance in a fill 237km (for sure it was a highway part)

I concur that once the warning comes the best you have is around 30km more. Had two times the issue so I look for gas as soon as I get the warning.

Second time was close to station and a downhill road so went down in N. Fired up once and went into the gas.

That is what it comes with the ownership of this masterpiece [emoji6]


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ampj8 said:
Have a Factory 2017.

Largest fuel fill 17.8 L when it ran out several times till it won't start anymore [emoji38] then pushed for 50m

Max distance in a fill 237km (for sure it was a highway part)

I concur that once the warning comes the best you have is around 30km more. Had two times the issue so I look for gas as soon as I get the warning.

Second time was close to station and a downhill road so went down in N. Fired up once and went into the gas.

That is what it comes with the ownership of this masterpiece [emoji6]


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Click to expand...

:)) so the 240km theortical is in fact possible. Thank god!! :)) never dared to ride more than 200km


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csirkefoga said:
:)) so the 240km theortical is in fact possible. Thank god!! :)) never dared to ride more than 200km


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Click to expand...

Yes the best consumption ever was a 6.39 L/100km. Which mostly was on a highway with limit at 120 km/h max so average would be around 110-115 km/h and not much face winds to get there....

The average consumption is mostly around 7's low 8's not much city riding, sporty hills, 1000m to 2000m mountains winding roads.


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70 miles till the fuel light comes on sometimes :eek: usualy between 80-90 miles, aint gone further than a very gentle 12 miles on the fuel light!!! Too many hills here to push it up to take a chance :lol
 
peerieivan said:
70 miles till the fuel light comes on sometimes :eek: usualy between 80-90 miles, aint gone further than a very gentle 12 miles on the fuel light!!! Too many hills here to push it up to take a chance :lol
Click to expand...

Wow man!! I think You're not scared! [emoji23][emoji23] that mileage certainly implies spirited riding [emoji38]


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Haha, yeah the roads up here are quite special, its like one big track if they are clear, usualy only go out for a quick tanks worth then park up for a little while, dont want to get noticed too much, espaecialy with the uprise in dash cams :devil
 
ok so I run out of fuel today managed to coast the 25 yards to the fuel station, and the numbers are

147 miles, full tank to run out
23.6 on reserve with a gentle right hand.
17.97l to re fill (brimmed with an upright bike)
2016 TV4F.
 
Uk rider my 17

started checking fuel consumption after 12000 mile service and valve adjustment in early December , weekend riding and has all been damp or wet roads in sport mode , missed out on the dry days , about 150 miles motorway miles and riding to and around North Wales . Always fill up with bike on the stand

1244 miles
145.3 litres
31.96 imperial gallons
38.92 average MPG

Best 42.96 MPG
lowest 35.13 MPG
longest distance 156 miles 17.70 litres
 
Svenbeast said:
Uk rider my 17

started checking fuel consumption after 12000 mile service and valve adjustment in early December , weekend riding and has all been damp or wet roads in sport mode , missed out on the dry days , about 150 miles motorway miles and riding to and around North Wales . Always fill up with bike on the stand

1244 miles
145.3 litres
31.96 imperial gallons
38.92 average MPG

Best 42.96 MPG
lowest 35.13 MPG
longest distance 156 miles 17.70 litres
Click to expand...

That's really good, not gone to your level of recording, but rough calc for mine is 30 mpg, which matches Fast Bikes. I don't see myself as being a fast rider, just saying
 

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