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Carbs and Fuel System
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  Topic Review (Newest First)
09-11-2009 02:15 PM
satcer Thanks to everyone for all the information.
I'm going to fill my tank and enjoy the ride.
09-11-2009 11:09 AM
6204 ive ran my float bowls dry by accident and it was only 112miles. it was weird, so i ususally just fill up when it reaches 100mi or in the midway on the guage mark.
09-11-2009 09:59 AM
blicky HOLY COW imboring25 what was that LOL I understood 2 words in that j/k Im glad someone is on top of it lol ,My method is

1.Bike turn off
2.Switch to reserve
3.Go to station
4.Fill up
p.s just trying to be funny
09-11-2009 09:49 AM
MisterPister $5 at $2.23 a gallon got me about 120 - 130 miles - in town riding
Bbw Tubes
09-11-2009 02:14 AM
IMBoring25 At present, my records are as follows (Note, my speedometer reads 10% high...Speeds referenced are corrected for actual speed of travel, so are 9% below what speedometer actually indicated):

Low: 40.87 MPG (75 MPH highway trip with strong headwind)
Average as of Today: 53.84 MPG
High: 61.11 MPG (4 consecutive days of commuting with no PLP, interstate, or short trips)

The commuting cycle used on this bike for these numbers was 17 miles 1 way, predominately 45 and 55 limits, ridden at those actual corrected-in-my-head speeds on mostly back roads with traffic control devices at about 2 out of 3 mile markers. The mix for the average is probably about 3:1 commuting vs. road trips.

On my bike, I'd start getting nervous around 150-160 miles of low-speed riding or 100-110 miles of high-speed riding. The one time I've gone to reserve and it wasn't by choice, the tank had been predominantly commuting and the trip odo showed about 168 when I pulled up to a stop sign where it died every time I let out the clutch to go, then I switched to reserve, rode to a station and filled up at 173.7 miles, getting 55 MPG flat on that tank.

Regarding speeds, my MPG seems to go down more quickly as speeds increase beyond about 55-60 (true).

As others have said, though, keep your own records and do your own math. There is a lot of variability between bikes, riders, and roads.
09-11-2009 12:04 AM
hyperbuzzin Usually around 50 MPG here too.
And I gotta repeat what others have said, in that the gauge reads slow to get to the half tank mark, then quick to get from there to empty. Always remember that!!!
If I knew I was going to be riding for awhile, I'd fill up if I got to the half mark and still had a good bit of riding to do. Never ran out.... yet!
09-10-2009 11:55 PM
95VN750 I found that from a full tank it goes as follows: Full mark... next line it is not half but you have used the first two gallons. from there to the red area you have the next 1/2 gallon. then you are getting ready to play with reserve.

Oh ya.... I also get around the 50 mpg mark..
09-10-2009 11:17 PM
rubyrick I routinely get between 46 and 52 mpg. Like KM stated, if I let the rpm's stay higher than about 5000, I suck up the gas much quicker. And as Cindy stated, you can't trust the gas gauge too much. That's why there's a reserve setting on the fuel selector (petcock), to give you some warning that it's time to get gas ASAP.

The best gas mileage I've ever got with my 750 was when I was riding two up, with my wife on the back, straight highway riding going about 55 mph the whole way. Got 55 mpg and was way happy!
09-10-2009 10:11 PM
Crobins365 I run 87 octane and get around 50 mpg. But at "half a tank," you were probably well under half a tank in real life. The gauges stay high for awhile, and then drop precipitously. As Knifemaker notes, a fill up at about 120 miles is the safest bet.
09-10-2009 07:45 PM
Knifemaker Any speed where the motor is turning over 5000 rpms the gas consumption increases dramaticly. The tank is small so range from fill up to fill up is around 120 miles (without using reserve)...on average.

If kept below 5000 rpms, you can get mpg's around 50+, but the way I ride I never got much better than 42 mpg.

I have seen some high , and hard to believe, mpg figures stated here, and not doubting anyones word, I will just say you need to find out yourself how much you average on your bike , and not take other figures to heart.

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