shitty gas mileage!
10-28-2008 | 07:09 PM
#31
Out of my mind, back in 5
MotoGP
Joined: Nov 2006
Posts: 6,109
From: Skurup, Sweden
If that is the case, then when I had on the 43T rear, it was actually getting less milage than it calculated out? If so, my mpg was lower than I thought and now that I have a 41T back on, am I actually geting better mpg, allbeit the same as I THOUGHT I was getting but was not? My brain is too tired to figure it out myself now.
10-28-2008 | 07:49 PM
#32
Senior Member
SuperBike
Joined: Jan 2007
Posts: 2,166
So if 43/16 = 2.68 & 41/16 = 2.56 and 2.68 - 2.56 = .12 / 41 = .04 or 4% lower gearing + 11% speedo error = 15% lower road speed than indicated and mph error is same as odo error, then if I thought i was averaging 34 mpg with 43T, it was really 4% lower or 32.64 mpg and I'm now getting 34 since changing back to 41T, its actually 4% improved mpg. now that amkes sense except I'm running one lower gear at speeds below 65 mph because it feels like its lugging in 6th below 65 mph, so its probably a wash.
Whew, do I feel better now.
cheap
11-16-2008 | 02:41 PM
#41
Sexual Daredevil
SuperSport
Joined: Sep 2005
Posts: 597
From: Mother Earth- orbiting around Charlotte, NC. But now over the border in S.C.
32-34 mpg. Fill up at @ 100 miles on the trip/odometer. I don't wait for the light to come on. I just fill up. Shift @ 6-6500 rpms and do a 50/50 highway and city riding.
Running 16/43 sprockets.
Running 16/43 sprockets.
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