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MPG - what's everyone getting?

Discussion in 'Hangout Lounge' started by Btroppma, Jul 5, 2021.

  1. Btroppma

    Btroppma Member

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    Hi everyone,
    Just got through my first tank of gas riding my new to me 82 xj650 maxim.
    getting 40.84 mpg (5.76liters/100km for my fellow Canadians) on some "spirited" in town riding. 87 octane gas.
    I'm wondering how that compares to what other folks are getting. I got onto this trying to figure out how far I can go before I hit my reserve.

    Bob
     
  2. Mechanic1978

    Mechanic1978 Active Member

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    Not sure about fathers 550 maxim, but my cbr900rr stroker motor gets about 24 or less
    I think...lmao
     
  3. Toyobaru866

    Toyobaru866 Active Member

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    Average 6 liters/100km on my 700X.
     
  4. Pizzaman

    Pizzaman Member

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    consistent 55mpg on 82 maxim 550
     
  5. Btroppma

    Btroppma Member

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    Damn that's good. What's your secret? Because I don't want to believe it's the extra 30 lbs I'm hauling around...
    Bob
     
  6. Pizzaman

    Pizzaman Member

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    I think I am hauling 30 extra lbs too. 230lbs. Lol. Mostly local cruising. Not much highway miles. 135-140 miles from full to reserve which is 2.5 gallons
     
  7. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    I really need to re-check mine since the move. I was getting 45-50 MPG on the High plains when there wasn't a headwind (lol, like that ever hpppened). The worst I saw was 38 MPG with a 20 MPH headwind on flat ground (everywhere out there is flat. Don't let the locals fool you).
     
  8. ColoradoDan

    ColoradoDan Active Member

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    Hey Btroppma, I have the same ride. I average about 43 for all purpose riding. Prob 46 on a good low-wind highway ride (rare in this area (CO) as k-moe mentioned).

    When I first got her in good shape (decade ago), it was near 50 but once I improved the tuning so she had the performance that I expected, dropped to the current mpg.

    I think 41 is low. Could be running rich, or plenty of other causes.
     
  9. Polock

    Polock Well-Known Member

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    i go 125 miles and start thinking about gas, never hit reserve and never think about it more than that
     
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  10. XJ550H

    XJ550H Well-Known Member Premium Member

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    my 550 gets 50 mph consistantly got 30 pounds on you pizza man
    40 to 45 on the 650 depending how I ride it
    Bob I would suggest you look for a 750 maxim tang you will get another gallon of fuel and it is a direct bolt on upgrade.

    I use my trip meter and always refill before I return home. I dont do to many short rides
     
  11. Btroppma

    Btroppma Member

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    That's a great option for taking it out on longer range trips! I've got a collection of tanks xj650 tanks going anyways - 2 red and 2 black, with matching sidecovers for all, for a quick color change if the mood strikes.

    FYI I have 3 maxims in the garage. 2 complete, one in boxes as a rebuild project.

    If the charge is being an XJ hoarder, I plead guilty by way of insanity - I'm just crazy about these bikes.

    Bob 20210710_195630.jpg
     
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  12. Btroppma

    Btroppma Member

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    Thanks ColoradoDan, I will look into this.

    Bob
     
  13. XJ550H

    XJ550H Well-Known Member Premium Member

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    You don't have enough of these bikes yet to be considered a hoarder just one box of pots and a few tanks well you're on your way. One thing to look into for your fuel mileage as I think the Canadian bikes got bigger Jets. A bigger jet will drop you fuel mileage a little bit. We had a member here who had a mad max/rat bike kind of thing going and he used the fuel tank as a reoffender too bad it wasn't functional.
     
  14. tabaka45

    tabaka45 Well-Known Member

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    I average about 40 with my XJ700. Have gotten as high as 43 on an all highway trip and as low as 35 all in town. The advertised mileage for a New XJ700N in 1985 was only about 45 I think, and that was probably with better gas than we have today.
     
  15. Fuller56

    Fuller56 Active Member

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    My since sold XJ650RJ gave mid 40's mpg's until I changed out the fuse panel for the blade type with soldered connections. With the new fuse panel it consistently gave low to mid 50's and ran like a new bike.
     
  16. k-moe

    k-moe Pie, Bacon, Bourbon. Moderator Premium Member

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    That is....unusual.
     
  17. Fuller56

    Fuller56 Active Member

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    I was pretty shocked but pleased as well. It ran well before but was quite a bit nicer after the change. The fuse panel was changed because I broke off a tab so there must have been marked resistance for quite awhile. Last summer I had (also since sold) a Midnight Maxim 750 that would consistently return 50 mpg when ridden reasonably. I really don't think I am riding like a fuddy-duddy.
     

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