Average MPG.....after earshave and rejet? - Kawasaki Vulcan 750 Forum : Kawasaki VN750 Forums
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post #1 of 13 (permalink) Old 05-30-2011, 01:41 PM Thread Starter
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Average MPG.....after earshave and rejet?

I did the 40 / 140 rejet and earshave with uni filters. I am getting 40 to 50 mpg....(depending on how hard or fast I ride)....which to me is good for a engine of this design with the mods I have done. I was just curious as what other earshaved/rejetted vn750's were getting? My bike is getting double the mileage that my 4 cyl. S-10 gets .....so I am pleased...
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post #2 of 13 (permalink) Old 05-30-2011, 01:45 PM
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For an earshaved and rejected bike, your figures are real good, be happy, go for ride, THEN have a few beers to celebrate....

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post #3 of 13 (permalink) Old 05-30-2011, 02:11 PM Thread Starter
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Thanks Knifemaker.......those figures seemed pretty good to me too.....I was just curious......I would go ride again today...but I got way too sunburned at the Indy 500 yesterday ...so my face hates the sun right now.....
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post #4 of 13 (permalink) Old 05-31-2011, 08:27 AM
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I can say I average around 42 mpg with the larger front tire.
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post #5 of 13 (permalink) Old 05-31-2011, 08:52 AM
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That's one of my major motivators for rebuilding my bike...my '85 Chevy Silverado with rebuilt 305 gets about 12-14 mpg if I stay off the pedal. On the bike..I might actually be able to afford to drive to town and back more than once a week...LOL!

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post #6 of 13 (permalink) Old 05-31-2011, 11:54 AM Thread Starter
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Yeah.....basically if I ride it like I stole it.......I get 40 MPG......If I grandpa it around town......I get 50 MPG ( please no offense to any grandpa's) ....so backroads doing 45-50 mph...I get 50 MPG. Highway doing 75-85 mph....I get 40 MPG. I did one test where I never let the revs get over 4,500rpm......shifting through the gears......then on the highway I held 5th gear at 4,500 (equals about 65 mph) .....my gas mileage was a solid 46 MPG at fill-up.
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post #7 of 13 (permalink) Old 05-31-2011, 02:34 PM
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Yeah.....basically if I ride it like I stole it.......I get 40 MPG......If I grandpa it around town......I get 50 MPG ( please no offense to any grandpa's) ....so backroads doing 45-50 mph...I get 50 MPG. Highway doing 75-85 mph....I get 40 MPG. I did one test where I never let the revs get over 4,500rpm......shifting through the gears......then on the highway I held 5th gear at 4,500 (equals about 65 mph) .....my gas mileage was a solid 46 MPG at fill-up.
Bret,
Seems high to me....are you still running stock tires?

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post #8 of 13 (permalink) Old 05-31-2011, 04:57 PM
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Quote:
Originally Posted by BRET H View Post
Yeah.....basically if I ride it like I stole it.......I get 40 MPG......If I grandpa it around town......I get 50 MPG ( please no offense to any grandpa's) ....so backroads doing 45-50 mph...I get 50 MPG. Highway doing 75-85 mph....I get 40 MPG. I did one test where I never let the revs get over 4,500rpm......shifting through the gears......then on the highway I held 5th gear at 4,500 (equals about 65 mph) .....my gas mileage was a solid 46 MPG at fill-up.
I was fixin to get Old Dog on you until I saw your disclaimer. lol

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post #9 of 13 (permalink) Old 05-31-2011, 06:59 PM
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I guess I must ride mine like I stole it all the time, because I most often average between 40-42 mpg. I am guessing that those who get 45+ don't ever get the RPM's above 4500, like niterider said.

IMHO though, I don't think it would be good to ride too long without ever winding it up a little bit. These bikes, as most motorcycles, were made to run at higher revs, and I couldn't imagine never getting above 4500 RPM's.

That being said, if you are getting 50mpg, more power (or less actually - haha) to you : ) I guess I do like to have a bit of 'fun' on mine, and for some strange reason, I feel that my bike compels me to rip it a little every now and then! Lol

Ride safe all.

AZ Kev

Arizona Kev

1989 VN750
7800 orig mi when purchased Jan 2011
Turned 11,000 mi Nov 2011
Saddlebags
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Chad's highway peg mounts
Emgo Pegs
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Dunlop D404's

Otherwise, all stock


"But it's a dry heat - like the inside of an oven"
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post #10 of 13 (permalink) Old 05-31-2011, 09:35 PM Thread Starter
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Yes....still running stock size tires. I only did the 4500 rpm test just to see what kind of conservative fuel mileage I could get. I never really ride it that way. I rev my engine out most of the time. It is good to rev these engines up. I think the elevation and heat is what is killing your mileage in the southwest U.S.
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