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fuel economy

Discussion in 'XJ Technical Chat' started by Ltdave, May 5, 2008.

  1. cycleman

    cycleman Member

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    At a steady 65-70 I got 47 mpg based on the US gallon or 55 mpg on the Canadian Gallon.

    I won't get into the metric stuff.
     
  2. CdnDave77

    CdnDave77 Member

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    As a quick check, I did some rude math and calculated that I getting about 40 mpg (US), or 6.0 l/100 km on my 750 Maxim. That's doing a few 60 km (40 mile) commutes (one way) through the back country roadswith rolling hills, and then a couple miles of city riding at each end. If I can keep the local deer out of my path for the summer (close call this morning), I think I am set to save some $$$ compared to driving my Ram.
     
  3. Oblivion

    Oblivion Active Member

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    Is your front wheel stock size? If it's smaller too, then you're not actually going as far as your odometer thinks you are.

    Over the last year, I average 38.5 (+- 1MPG). I track it using mymilemarker.com

    That's an '81 XJ750 w/a full Vetter fairing on front.

    Fuel stops are right around 150 (I generally stop soon after hitting reserve even though I know from experience I can push it further).
     
  4. bstig60

    bstig60 Member

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    I get 50 plus on my 750 Seca with fairing and bags. Will see how my Virago does, just got it running.....
     
  5. WesleyJN1975

    WesleyJN1975 Member

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    3 - 5 grand shift point? I must be running kinda hard because I find myself shifting in regular traffic around 6K and on highways and riding with my friends and thier much larger VTX1800 bikes I'm shifting as high as 11K RPM 8O . Guess I'd better cool it a little.
     
  6. TheHound

    TheHound Active Member

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    That's what I said, shifting at around 6K is normal.
     
  7. bstig60

    bstig60 Member

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    Higher shift points do make a difference in fuel mileage....... Tell those guys in their 1800's to slow down......
     
  8. unaverageman

    unaverageman Member

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    So are you saying shifting at higher RPM's is better? I shift in betwen 4 - 6k for my normal riding (mostly highway). I am averaging about 40 to 45mpg on my 82 YICS 750 Maxim.
     
  9. plansea

    plansea Member

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    "I feel the need for speed !" I am a 6,000 rpm shifter,too like TheHound.
    I don't want to get run over from behind at the light change ! It doesn't feel much like a 650 at 4k ! Maybe having a 750 makes a big difference, I see a lot more 750's on the road and on here than 650's
    Perhaps that has something to do with my mileage not being as good as you 750 and 4k shifters ! :)
    Eric
     
  10. RangerG

    RangerG Member

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    Location:
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    Went for a ride last Sat and finally filled up again today. $1.329/liter. That works out to $5.03/ gallon US. $6.06/gallon Imperial. My mileage was 39.2
    MPG US, 47 MPG Imperial or 6 liters / 100 Km.
     
  11. Great_Buffalo

    Great_Buffalo Member

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    During my 1800+ mile jaunt around the upper midwest I got 44 mpg average. This is with full vetter fairing, 20 mm ammo boxes on the side and a fairly large box on the luggage rack. These containers were FULL of gear. Along with that I had my tent, sleeping mat and a fairly large backpack between my back rest (which was pulled forward) and my box on the back. Lots of weight, my poor shocks screamed at me often.

    I was however not in a hurry. Most of the riding was 50 - 55 mph and a fair bit much below. Spent quite a bit of time on broken pavement and even dirt roads. Very little riding on the super slab.

    I was very happy with the MPG on this trip. Now when I'm on the commute of 50 miles one way to work I don't get this good of milage. I think it's because I ride a two lane stretch of road with lots of slow drivers and short passing zones. I'm in and out of the throttle alot.
     
  12. samsr

    samsr Member

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    Last fill up ,today, I got 48.9 mpg. Max speed was 65mph shifting at 4000 to 4500. Half the miles were in town miles, Going to and from work (only 10 miles round trip).
    On a side note. I didnt get this good of a mpg until my first long trip to the mountains. Maybe I blew out the cobwebs. Maybe it was the 1/2 can of seafoam. Either way I am not complaining. The best I got last year was about 38mpg, generally closer to 35.
     
  13. MidniteMax

    MidniteMax Member

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    My all stock (except K&N air filter) Midnite 650 with a large National Cycle windshield, a full backrest with a 40 pound pack, and running about 75 mph on the interstate consistently gets me 39-40 mpg. Cruising around local roads at a steady 60 mph, I usually get 44-45 mpg. Never got more than those numbers under those circumstances.

    I have installed a smaller Memphis Shades windshield. Intersted to see how my mpg does out on the highway now.
     
  14. TIMEtoRIDE

    TIMEtoRIDE Active Member

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    I've been averaging 49 MPG with my Seca 900. It has 20 - 1/4 inch holes drilled in the airbox cover (PO) and a 4 into 1 pipe. The pilot screws were all set 3 turns out, like someone set it up "baseline" and never tweaked it.

    All spirited riding just this side of a ticket !

    My 750 Seca gets 32 - 38 ! Go figure.
    My GL500 gets 45 - 50
    My V-Star 1100 gets 53 ! (newer technology maybe?)
    My Elite 250 gets 85 + and is usually run wide open.
     
  15. knuts2a

    knuts2a Member

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    XJ900 YICS, 25lt tank, runs dry at 400Km's, normally change ~3,000rpm, pretty quite rider just commuting up to 100-110Km/h. About 6l/100Km's average, sometimes down to 5.5l/100km's, but winters here now so its cold in the mornings, and have a pillion on 50% of the time. 4 in to 1, burbles a bit slowing down, suss it's on the border of running lean. Use 95ron fuel.
     
  16. carbineken

    carbineken Member

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    I have averaged 48mpg so far this season. This is at 65-70mph, 90 mile round trip, all highway. Adding my wife to the back and a little more throttle takes it down to 46. I've not paid attention where I shift at, but taking a guess I'd say around 4000.
     
  17. Zookie400

    Zookie400 Active Member

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    ok my first numbers are in, i am VERY pleased!

    driving mostly 30-60mph, shifting at 4-5k, i got 48mpg.
     
  18. chacal

    chacal Moderator Moderator Supporting Vendor Premium Member

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    TIME toRIDE-----you've got a PM awaiting you!!
     

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