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 2016 low fuel warning test 
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Newb
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Joined: Thu Aug 04, 2016 9:56 pm
Posts: 2
Location: San Francisco, CA
Post 2016 low fuel warning test
Hi everyone. I felt like my 2016 gas warning comes on early, so I decided to call its bluff. It goes without saying that the 2016 real world mileage is nowhere near the 100+ mpg advertized. The sticker/EPA figure is always optimistic, but I consistently log 63-65mpg. Most of my riding is in and around San Francisco, and I tend not to ride any faster than traffic around me and the timing of the street lights allows. I conducted this test strictly within SF.

My low fuel warning comes on around 75 miles after tanking up. I started this test with 713 miles on the odo, and the low fuel warning started to signal 77.6 miles after tanking up while stopped on a fairly steep downhill grade. It kind of flickered back and forth for a few miles, but was fully on by 82.2 miles after tankup.

The pump started sucking air at mile 104.4, also on steep downward grade. I ran it for a few more miles, with multiple confirmations that the pump runs dry when the bike is canted forward. The bike died for good, on level ground, at mile 108.3. That works out to 63.7mpg over the course of the 1.7 gallons of fuel capacity. That is close enough to my typical measured average that I don't imagine much fuel at all was left in the tank, if the fuel pickup isn't exactly flush with the bottom of the tank.

So there ya have it. If you ride like me and show a low warning light around 75 miles after tanking up, you've got about 30 miles of juice left under the same riding conditions. Dial that expectation back, of course, if you're heavy on the throttle and/or just tend to show low fuel warning after fewer than 75 miles.

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2009 Yamaha C3 (2010 cannonballer and current daily rider), 2010 Honda SH150i (dream bike and prize possession), 2016 Yamaha Zuma 125 (all purpose plaything)


Mon Aug 29, 2016 8:05 pm
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Joined: Fri Jun 25, 2010 6:56 am
Posts: 14287
Location: San Diego, CA
Post Re: 2016 low fuel warning test
usually when the low fuel light comes on it means you have 1/2 gallon left

but you can modify it by adjusting the float arm then you can fine tune it to whatever you want
is it worth the time to do that, no


be thankful you have a fuel gauge


as for the mpg
they probably run the bike with some 85lb rider only going one speed to get those numbers

could also depend how much ethanol is in the fuel, as you don't get good mpg using that
and since we are forced to have a percentage in our fuel that could throw off any numbers the manufacture claims if they don't use that in the testing

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2010 Zuma 155cc
BWS X Digital Gauges<>Clear Smoke BWS 125 Turn Signal Covers<>Billet Bar Ends<>Front Brake Rotor 260mm<>Razor Cam Covers<>NCY Breather Assembly<>Polini EVO Clutch Bell<>Anodized Orange Dipstick<>RRGS Front and Rear Shocks<>Dual 5000K HID's 35w High/Low Beam<>Black Adjustable Brake levers<>Halo Led's<>TST 2 Stage Variator 9gL 10gS <>NCY Oil Cooler<>Yamaha Skid Plate<>NCY Contra Spring Bearing<>1000 Rpm RRGS Contra Spring<>Yoshimura Exhaust<>NCY Direct Ignition Coil<>Lightweight Cooling Fan<>Koso Cable Clamps<>High Lift Cam+Lightened Cam Sprocket<>Underseat Storage Bag<>Stage 6 (Koso) Clutch<>Accel Handlebars<>Koso Brake Light<>Lightweight Swingarm<>RRGS 4 Pot Caliper (PH80)<>Stainless Braided Brake Line<>Lightened F|ywheel<>OEM Headlight Screens<>Zubiku Wing<>Air Horn<>9 inch stretch<>Koso High Flow Filter/Cover<>RPM 10 Spoke Wheels<>Digital Camo Vinyl Wrap<>SEP Cvt Covers





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Tue Aug 30, 2016 4:13 am
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Newb
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Joined: Mon Aug 08, 2016 6:21 pm
Posts: 3
Location: Panama City Beach, FL
Post Re: 2016 low fuel warning test
Hi there. Fellow 2016 125 owner checking in.

I average between 90 and 95 mpg on mine so far, over 4 fill-ups.

I spend a mix of time between 35 mph, 45 mph and some (but very little) flat-out running @ 55 - 60mph. All of my miles are on flat ground, as I live in Panama City Beach, FL. FWIW, I weigh about 185 dressed and the bike is unmodified.

I plan on doing my first oil change today.


Sat Sep 17, 2016 5:55 am
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Joined: Sat May 28, 2016 12:01 pm
Posts: 7
Post Re: 2016 low fuel warning test
I have 2200 miles on my 2016 Zuma 125, and I average about 80-85 mpg. The fuel gauge registers empty with about 1/2 gallon of gas left n the tank. For me this means the fuel gauge reads empty after I go about 100 miles after fill up. So, there's a comfortable period of riding after the gauge registers no bars or "empty."


Fri Jun 09, 2017 12:38 pm
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