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04-21-2015, 10:41 AM,
#1
2012 Vstar 1300 GAS GAUGE
How can a bike, in this day and age come with no gas gauge?
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04-21-2015, 01:42 PM,
#2
RE: 2012 Vstar 1300 GAS GAUGE
many don't, just go by the trip meter and reset at every fill up.
2006 VStar Stratoliner, Freedom Performance split dual exhaust, Mustang seats, Sissy bar with back rack, bolted saddlebags to mounts.
Life's tough .. it's even tougher if you're stupid. - John Wayne

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04-21-2015, 11:02 PM,
#3
RE: 2012 Vstar 1300 GAS GAUGE
(04-21-2015, 01:42 PM)Keith Wrote: many don't, just go by the trip meter and reset at every fill up.
Exactly! About 100-125 miles and I'm due for a fill-up. Or if I really want to push it, when she starts stumbling and I switch to reserve it's time to fill-up.
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04-22-2015, 10:07 AM,
#4
RE: 2012 Vstar 1300 GAS GAUGE
(04-21-2015, 11:02 PM)indie_rocker Wrote:
(04-21-2015, 01:42 PM)Keith Wrote: many don't, just go by the trip meter and reset at every fill up.
Exactly! About 100-125 miles and I'm due for a fill-up. Or if I really want to push it, when she starts stumbling and I switch to reserve it's time to fill-up.
i can see if it was an older bike, but this is so odd to me. The funniest thing is i was watching a video on a 2015 VStar w/ the bat wing, it comes w/ a GPS, Ipod and phone integration etc. I am so curious if it has a damn gas gauge.
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04-22-2015, 10:49 AM,
#5
RE: 2012 Vstar 1300 GAS GAUGE
There is a pretty good reason that most bikes don't have fuel gauges. A simple sending unit is a very linear device - basically a float and a variable resistor, in most cases. Most motorcycle tanks have small capacity and very odd shapes, making it impossible to give anywhere near a linear representation of fuel quantity based on the position of a float. Therefore adding a gauge to most motorcycles would be a significant expense - one would either have to have a purpose-built variable resistor or potentiometer with an odd resistance profile or would have to use a computer to calculate the actual fuel remaining percentage from a linear pot position.

Some bikes with more sophisticated computers can spare a few connections and processing cycles for things like accurate fuel gauges, but for your average cruiser it's just not there and a gauge that didn't represent fuel use linearly would be worse than not having one (this is my main beef with aftermarket fuel gauges - their ability to actually represent the level of fuel in the tank varies drastically depending on the shape of the tank).

One thing that is pretty doable, and that we might see more of as time goes on, is fuel warning lights as those can be run from discrete switches placed at calculated positions in the tank to, for example, indicate that fuel has fallen below 1/4 or what have you. Of course, anything that requires that electrical connections pass through the tank adds significant expense as the connections have to be fuel proof and the circuitry placed in the tank has to be spark-proof even if some idiot shorts the leads to +V or what have you. Doing those things is not cheap.
===========================
2011 V-Star 650 Custom (new in fall 2013)
V&H Cruzer Pipes, Memphis Shades Bat Wing, Floorboards, Highway Bars,
Locking Bags, Tail Rack, LED Signals & Aux Brake Lights, Headlight Modulator,
Brake Light Modulator, 5/8" Gel Pad Under Upholstery.
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04-22-2015, 12:17 PM,
#6
RE: 2012 Vstar 1300 GAS GAUGE
(04-22-2015, 10:49 AM)OldePhart Wrote: There is a pretty good reason that most bikes don't have fuel gauges. A simple sending unit is a very linear device - basically a float and a variable resistor, in most cases. Most motorcycle tanks have small capacity and very odd shapes, making it impossible to give anywhere near a linear representation of fuel quantity based on the position of a float. Therefore adding a gauge to most motorcycles would be a significant expense - one would either have to have a purpose-built variable resistor or potentiometer with an odd resistance profile or would have to use a computer to calculate the actual fuel remaining percentage from a linear pot position.

Some bikes with more sophisticated computers can spare a few connections and processing cycles for things like accurate fuel gauges, but for your average cruiser it's just not there and a gauge that didn't represent fuel use linearly would be worse than not having one (this is my main beef with aftermarket fuel gauges - their ability to actually represent the level of fuel in the tank varies drastically depending on the shape of the tank).

One thing that is pretty doable, and that we might see more of as time goes on, is fuel warning lights as those can be run from discrete switches placed at calculated positions in the tank to, for example, indicate that fuel has fallen below 1/4 or what have you. Of course, anything that requires that electrical connections pass through the tank adds significant expense as the connections have to be fuel proof and the circuitry placed in the tank has to be spark-proof even if some idiot shorts the leads to +V or what have you. Doing those things is not cheap.
Thanks OldPharte, i guess on paper it makes sense. I guess i am just a spoiled, "fat", American who expects everything at my fingertips, Blush i blame society for making my life so damn easy lol.
My bike does have a warning light when below 1 gallon. the use of the trip meter is probably a good habit to get into.
Wink
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04-22-2015, 02:20 PM,
#7
RE: 2012 Vstar 1300 GAS GAUGE
I had a Kawasaki K1000P had a gauge, of course was not accurate, figured that out the hard way, got to waddle walk that thing for 2 blocks to a station.
2006 VStar Stratoliner, Freedom Performance split dual exhaust, Mustang seats, Sissy bar with back rack, bolted saddlebags to mounts.
Life's tough .. it's even tougher if you're stupid. - John Wayne

Reply
04-22-2015, 07:50 PM,
#8
RE: 2012 Vstar 1300 GAS GAUGE
(04-22-2015, 12:17 PM)steve0158 Wrote: Thanks OldPharte, i guess on paper it makes sense. I guess i am just a spoiled, "fat", American who expects everything at my fingertips, Blush i blame society for making my life so damn easy lol.
My bike does have a warning light when below 1 gallon. the use of the trip meter is probably a good habit to get into.
Wink

Yeah...and trip planning becomes a big deal sometimes, too. I'm planning a bucket ride up to Idaho to visit my oldest this summer. I'm crossing NM and UT sticking to the scenic two-lanes through the mountains and canyons and there are places where it's more than 100 miles between stations. I use Google maps and earth view to check the route and I have one stretch that is over 80 miles without a single commercial building near the highway. Definitely a case of wanting to stop and fill up at just about every opportunity.
===========================
2011 V-Star 650 Custom (new in fall 2013)
V&H Cruzer Pipes, Memphis Shades Bat Wing, Floorboards, Highway Bars,
Locking Bags, Tail Rack, LED Signals & Aux Brake Lights, Headlight Modulator,
Brake Light Modulator, 5/8" Gel Pad Under Upholstery.
Reply
04-23-2015, 01:03 PM,
#9
RE: 2012 Vstar 1300 GAS GAUGE
(04-22-2015, 07:50 PM)OldePhart Wrote:
(04-22-2015, 12:17 PM)steve0158 Wrote: Thanks OldPharte, i guess on paper it makes sense. I guess i am just a spoiled, "fat", American who expects everything at my fingertips, Blush i blame society for making my life so damn easy lol.
My bike does have a warning light when below 1 gallon. the use of the trip meter is probably a good habit to get into.
Wink

Yeah...and trip planning becomes a big deal sometimes, too. I'm planning a bucket ride up to Idaho to visit my oldest this summer. I'm crossing NM and UT sticking to the scenic two-lanes through the mountains and canyons and there are places where it's more than 100 miles between stations. I use Google maps and earth view to check the route and I have one stretch that is over 80 miles without a single commercial building near the highway. Definitely a case of wanting to stop and fill up at just about every opportunity.
that sounds like a great run. i'm looking fwd to putting many miles on my bike this summer w/ the Wife.
be safe out there brother.
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05-04-2015, 03:35 PM,
#10
RE: 2012 Vstar 1300 GAS GAUGE
I thought it was kinda odd myself, my Yamaha FZ1 has a Gas Gauge and it is a 2003 model, but after reading the info about the shape of the take I totally understand why my Vstar does not have one. My FZ1 tank is better shaped to fit with having a float.
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05-04-2015, 08:46 PM,
#11
RE: 2012 Vstar 1300 GAS GAUGE
Yeah, I was disappointed that my 1300 didn't have a gage either.

My Suzukie Boulevard had one. I liked it!
There is great need for a sarcasm font.
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05-05-2015, 03:08 AM,
#12
RE: 2012 Vstar 1300 GAS GAUGE
(04-21-2015, 10:41 AM)steve0158 Wrote: How can a bike, in this day and age come with no gas gauge?
If you have a 2006 - 2009 1100 your going to get approx 38mi per gallon. so @4ish gallons you should be around 105 miles or so before your reserve is needed. easy to just use the trip meter.
2006 v star 1100 Silverado
K&N Filter, Cobra Exhaust, Oil Filter relocation kit
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