Gas gage not reading right - Yamaha FZ8 Forums - International FZ8 Motorcycle Community Forum

FZ8Grid · 06-10-2011, 10:31 AM

Since i bought the bike 3 weeks ago iv noticed im only putting in 2.4-2.6 g of gas at one time because its flashing on the last bar. BUT i clearly have more in the tank then what its reading.

Any ideas on why its not reading right?

**hypo** · 06-10-2011, 10:41 AM

3 week old bike? other than a faulty sending unit INSIDE the gas tank, I can't. Not sure if they use floats like in the old days or what to measure how much gas is in the tank though. that should be covered under warranty for sure. although since its beginning of riding season probably, you may lose your ride for awhile if you have to leave it there... I'd bring it into the shop you bought it from and raise hell with the sales guy and use HIM to get you into a conversation with the maintenance crew to get a fast repair or to look at it... and if they send away the sales guy and tell you it will take a month to fix it, you go back out to the sales guy and scream holy murder in front of him so that it doesn't...

Ivy33 · 06-22-2011, 08:59 AM

Quote:

Originally Posted by FZ8Grid

Since i bought the bike 3 weeks ago iv noticed im only putting in 2.4-2.6 g of gas at one time because its flashing on the last bar. BUT i clearly have more in the tank then what its reading.

Any ideas on why its not reading right?

This is the exact same thing happening with me. Mine flashes on the last bar but, when I go to fill it up, it only takes around 2.5 gallons.

FZ8Grid, did you ever figure out what caused this? I am going to have my 600 mile service soon so I'm going to have them check it out then.

Everyone else, how far down does your fuel level get before the bar flashes?

FZ8Grid · 06-22-2011, 09:05 AM

sadly my FZ8 was murdered by a cavalier. Dumb ass pulled out right in front of me to make a left turn. So i never got a chance to ask the dealer about it.

when his insurance pays for my new fz8 ill see if it has the same issue.

**hypo** · 06-22-2011, 09:41 AM

I tested some theories, and I have at least 60 or so miles left in the tank when the light starts blinking. It definitely seems to be going off early, but they probably want the owners to keep the tank at least half full and fill up more often.

Ivy33 · 06-22-2011, 02:36 PM

Quote:

Originally Posted by hypo

I tested some theories, and I have at least 60 or so miles left in the tank when the light starts blinking. It definitely seems to be going off early, but they probably want the owners to keep the tank at least half full and fill up more often.

That's what I thought at first too but then the flashing bar is ultimately useless at that point because it warns me way too early. Mine is warning me when I have around 1.5 gallons still in the tank. Also, I don't think everyone is having the same issue.

I called the salesperson today and they are going to fix it, or at least look at it, when I take the bike in for the 600 service. They didn't think that sounded right either.

I'd love to be able to test it out to see how many miles I have left if I let it go. It almost makes me wish I had the reserve switch like I did on my old bike to try it out.

Ivy33 · 06-22-2011, 02:38 PM

Quote:

Originally Posted by FZ8Grid

sadly my FZ8 was murdered by a cavalier. Dumb ass pulled out right in front of me to make a left turn. So i never got a chance to ask the dealer about it.

when his insurance pays for my new fz8 ill see if it has the same issue.

I'm glad you're ok though!

casefc3s · 06-24-2011, 08:24 AM

I get about 2.5-3g when I fill up and that's either on the last bar or flashing bar. I've run it for an extra trip to work with the light flashing all the way, which is ~30 miles, and filled up just over 3.5g I think. Definitely not really useful to have the light flash that early, but it's also not a big deal either way. I know I get ~45mpg, so if I'm in a pinch I know how far I can get on a tank.

Ivy33 · 06-27-2011, 05:47 AM

Quote:

Originally Posted by casefc3s

I get about 2.5-3g when I fill up and that's either on the last bar or flashing bar. I've run it for an extra trip to work with the light flashing all the way, which is ~30 miles, and filled up just over 3.5g I think. Definitely not really useful to have the light flash that early, but it's also not a big deal either way. I know I get ~45mpg, so if I'm in a pinch I know how far I can get on a tank.

That's a good point. I haven't really calculated my mpg yet so I'll do that first. That way, even if the bar is flashing, I can have a rough idea of how far I have to go.

djcecil · 07-04-2011, 12:40 PM

i put gps on bike for multiple reasons, to prove the speedo is off by 3-7mph depending on how fast you are traveling, also it keeps tracks of mileage and on a 300+ mile trip doing average 80mph i got 44.9 mpg. but mostly put it on to go out on country roads, get lost and to press the "go home" set on shortest route is the most fun i have ever had on a bike. i think the rpm is the only accurate thing about the inst cluster, but if someone hooks up a second one they might prove that wrong also.

06-10-2011, 10:31 AM	#1 (permalink)
FZ8Grid Weekend Rider Bike: 2011 FZ8 Join Date: May 2011 Location: USA, Indiana Posts: 50 Thanks: 10 Thanked 7 Times in 4 Posts	Gas gage not reading right Since i bought the bike 3 weeks ago iv noticed im only putting in 2.4-2.6 g of gas at one time because its flashing on the last bar. BUT i clearly have more in the tank then what its reading. Any ideas on why its not reading right?

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06-22-2011, 09:05 AM	#4 (permalink)
FZ8Grid Weekend Rider Bike: 2011 FZ8 Join Date: May 2011 Location: USA, Indiana Posts: 50 Thanks: 10 Thanked 7 Times in 4 Posts	sadly my FZ8 was murdered by a cavalier. Dumb ass pulled out right in front of me to make a left turn. So i never got a chance to ask the dealer about it. when his insurance pays for my new fz8 ill see if it has the same issue.

06-24-2011, 08:24 AM	#8 (permalink)
casefc3s Pillion Bike: 2011 Yamaha FZ-8 Join Date: Jun 2011 Location: Las Vegas, NV Posts: 21 Thanks: 9 Thanked 7 Times in 4 Posts	I get about 2.5-3g when I fill up and that's either on the last bar or flashing bar. I've run it for an extra trip to work with the light flashing all the way, which is ~30 miles, and filled up just over 3.5g I think. Definitely not really useful to have the light flash that early, but it's also not a big deal either way. I know I get ~45mpg, so if I'm in a pinch I know how far I can get on a tank.

07-04-2011, 12:40 PM	#10 (permalink)
djcecil Avid Rider Bike: FZ8 Join Date: Jul 2011 Location: Nashville, TN Posts: 119 Thanks: 12 Thanked 19 Times in 14 Posts	i put gps on bike for multiple reasons, to prove the speedo is off by 3-7mph depending on how fast you are traveling, also it keeps tracks of mileage and on a 300+ mile trip doing average 80mph i got 44.9 mpg. but mostly put it on to go out on country roads, get lost and to press the "go home" set on shortest route is the most fun i have ever had on a bike. i think the rpm is the only accurate thing about the inst cluster, but if someone hooks up a second one they might prove that wrong also.