Mrclubike Posted January 14, 2020 Share Posted January 14, 2020 Currently I have installed a Volt meter in the clock hole on my R1150R But i would rather have a fuel gauge Has anyone seen this done on a R1150R Wondering if the Fuel pump sender assembly (Or the whole tank) off of a GS would fit into the R1150R tank If it would I think the Gauge end could be sorted out Link to comment
Michaelr11 Posted January 14, 2020 Share Posted January 14, 2020 You have a fuel gauge. It's called the trip odometer. Fill up the tank at the end of every ride. You will always be ready to ride and you will get little condensation in the tank, so no water in the gas. 1 Link to comment
Mrclubike Posted January 15, 2020 Author Share Posted January 15, 2020 10 hours ago, Michaelr11 said: You have a fuel gauge. It's called the trip odometer. Fill up the tank at the end of every ride. You will always be ready to ride and you will get little condensation in the tank, so no water in the gas. Yes I know that It would just be nice to have a Gauge 1 Link to comment
Michaelr11 Posted January 16, 2020 Share Posted January 16, 2020 I get it. That’s a great looking instrument cluster on the bike. Does the bike have a low fuel indicator? I have two Airheads along with the Oilhead RT. I watch the odometer on these and I can guess fairly accurately when the tank will reach the reserve level. Not a fuel gauge, but working for me. Link to comment
Mrclubike Posted January 16, 2020 Author Share Posted January 16, 2020 Yes it does and it works But of course I have to reset the Trip at every fill up Link to comment
AndyS Posted January 16, 2020 Share Posted January 16, 2020 Mrclubike, whether you need it or not is unimportant. It is something you'd like to do. I love it when people tweak their bikes. It makes the bike more interesting. I hope you find a solution. That instrument cluster does look good. It has a hint of the British oldschool cafe racer style, much like we'd have fabricated on our Tribsa's, Norvin's etc. Link to comment
dirtrider Posted January 16, 2020 Share Posted January 16, 2020 On 1/13/2020 at 11:34 PM, Mrclubike said: But i would rather have a fuel gauge Has anyone seen this done on a R1150R Wondering if the Fuel pump sender assembly (Or the whole tank) off of a GS would fit into the R1150R tank If it would I think the Gauge end could be sorted out Morning Mrclubike You can probably do it given enough time, effort, & tweaking. Due to the shape & design of the tank I doubt that you could get an ACCURATE full float swing to have accuracy throughout the entire fuel level range. Probably a LOT easier (lot more accurate) to do like the BMW 800GS does & only have the fuel gauge read from 1/2 tank to empty. I haven't ever had the want or need to try to install a fuel level gauge on the BMW 1100/1150 R bikes as the stock low fuel light works just fine in conjunction with the trip set. If you want to try then possibly see if the 1150GS pump assembly can be modified to fit your tank then see if you can shorten/modify the float arm & float angle to give a somewhat normal travel of the float arm (probably won't get a usable full swing). (or possibly cobble the GS float/resistor assembly on to your existing pump plate). Then cobble in a GS RID on your dash somewhere to process the float sender signal. Of add an aftermarket round gauge then use resistors & electronics to get that round gauge to read accurate at some point in the float travel range (probably in the last 1/4 tank range would be best). You probably want to concentrate on getting it to track as accurate as possible for the last 1/4 of the tank by giving up accuracy on the top half of the tank. You might be better off to fine tune your present low fuel light float so you know exactly how much fuel is remaining in the tank when the low fuel light comes on. If you know exactly how much fuel is remaining then you can adjust your riding style to max economy & know your remaining range. Link to comment
Skywagon Posted January 16, 2020 Share Posted January 16, 2020 As an alternative to a gauge, you might investigate fuel flow meters. There are many round dial fuel flow meters for automotive, trucking, aviation, etc. Some of them are as cheap as <$100 up to >$1500. I'm familiar with the aviation ones as the gauges in airplanes are darn near useless, but the fuel flow meters are incredibly accurate to 1/10 gallon. You might research boat as well....a couple of quick google searches below... The only down side besides figuring out how to install it is remembering to reset it when you fuel. EI makes them https://www.lskelectronics.com/fuelgaugepro1 https://www.westmarine.com/fuel-gauges Link to comment
dirtrider Posted January 16, 2020 Share Posted January 16, 2020 15 minutes ago, Skywagon said: As an alternative to a gauge, you might investigate fuel flow meters. There are many round dial fuel flow meters for automotive, trucking, aviation, etc. Some of them are as cheap as <$100 up to >$1500. I'm familiar with the aviation ones as the gauges in airplanes are darn near useless, but the fuel flow meters are incredibly accurate to 1/10 gallon. You might research boat as well....a couple of quick google searches below... The only down side besides figuring out how to install it is remembering to reset it when you fuel. EI makes them https://www.lskelectronics.com/fuelgaugepro1 https://www.westmarine.com/fuel-gauges Afternoon Skywagon Those fuel flow gauges are somewhat difficult to install correctly on fuel injected engines with by-pass type fuel return systems (like the BMW 1100/1150) as only part of the supplied fuel is used with the remainder returned back to the fuel tank unmeasured. They work great on carbureted systems & other non-return flow systems. Link to comment
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