Poor Fuel Mileage? - Kawasaki KLR 650 Forum
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post #1 of 6 Old 08-29-2012, 10:38 PM Thread Starter
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Poor Fuel Mileage?

So I ride an 08 back and forth to work. Great bike but it gets poor mileage. Todays tank was 32.9 MPG???? The good part is it uses no oil I guess. Daily I do 72 miles round trip to work all highway at 70 MPH. The bike has a tall windshield, new plug, new filter, 16 tooth front sprocket, tires aired up to max, I do wear a big Shoei helmet and a big jacket over my 300 pound body. Does that sound right to you all those things taken into account? I hear all these stories of bikes getting 50 to 55 MPG. I did buy my bike used and the motor has been out of it. Someone has written a date on the top of the engine case in paint pencil. I am guessing they reworked it for the oil burning? Stock exhaust and I dont know if it has had carb mods done. What do you all think?
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post #2 of 6 Old 08-29-2012, 11:14 PM
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Originally Posted by moriver View Post
So I ride an 08 back and forth to work. Great bike but it gets poor mileage. Todays tank was 32.9 MPG???? The good part is it uses no oil I guess. Daily I do 72 miles round trip to work all highway at 70 MPH. The bike has a tall windshield, new plug, new filter, 16 tooth front sprocket, tires aired up to max, I do wear a big Shoei helmet and a big jacket over my 300 pound body. Does that sound right to you all those things taken into account? I hear all these stories of bikes getting 50 to 55 MPG. I did buy my bike used and the motor has been out of it. Someone has written a date on the top of the engine case in paint pencil. I am guessing they reworked it for the oil burning? Stock exhaust and I dont know if it has had carb mods done. What do you all think?

I would think that you should be into the mid 40s at least. My guess is that the carb has been re-jetted. The main jet is too big and or the needle is not right.

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post #3 of 6 Old 08-30-2012, 07:09 AM
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I've never truly and accurately computed my MPG, but have learned that when I hit 180 miles I'd better start looking for a gas station as I've had to switch to reserve on a couple of occasions when I went over 190 miles. I've done the .22 mod/low-buck exhaust mod and my fuel screw's out about 2-1/4 turns. That may cause it to use more gas, but it runs good and never pops anymore, so I'm leaving it be. I'm about your size and think I get about 40mpg.

I'm only theorizing that if I rode 72 miles instead of 60 miles and that if I rode it all at 70mph instead of my usual 60mph or so, my gas mileage might be comparable to what you're getting? Engine would be running harder and a lot more wind resistance.



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post #4 of 6 Old 08-30-2012, 01:46 PM
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mileage

I have a 2008 that I bought new. I have never gotten less than 50mpg and more often than not get 55mpg. Mostly road riding, both gravel and pavement. I am 69 years old and do not rev it much above 5000rpm. And I have the 22 cent mod, actually mine was only 13 cents for the #4 brass washer.
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post #5 of 6 Old 08-30-2012, 02:14 PM
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after a full tank of fuel what does your spark plug look like ? it will tel u everything u need to know .

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post #6 of 6 Old 08-30-2012, 04:41 PM Thread Starter
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Originally Posted by wayne_l View Post
after a full tank of fuel what does your spark plug look like ? it will tel u everything u need to know .
That is my thought also. Its a nice light tan color, none to rich as far as I see. I am a big guy but I am wondering if the last owner has played the get more power game and it just burns more fuel? Hard for me to compare, my other bike is a 1700cc cruiser.
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