Fuel Mileage
Outstanding HDF Member
Joined: Jan 2008
Posts: 3,328
Likes: 15
From: Pacific Northwest
'06 StreetGlide - When it was an 88" I added Ness BS, Rinehart TD's, and a PCIII. Bike ran much better but mileage suffered. Had it dyno-tuned and the mileage came right back up to 38-48 mpg combined. After the 95" mods (and dyno-tune) I've gotten as high as 51 mpg and average between 40-50 mpg combined.
Road Warrior
Joined: Dec 2008
Posts: 1,616
Likes: 17
From: Mid West
My mileage varies from 35-38 with the same type of driving, much of it has to do with gas in the midwest for mine; all Missouri, Iowa, Kansas fuel gasoline has a percentage ethanol blended in, this cuts the available energy and detracts from economy. Some stations in Illinois do not get blended gas and have no ethanol, from a few times I have fueled there I have gotten 40-42mpg. The Illinois prices are frightful but the gas is better and I have heard Indiana is the same.
I still do not see adding 10-15% ethanol when you lose the same average percentage of mileage leading to the same amount of gasoline being used per mile with or without ethanol so we are saving nothing, just burning more fuel.
I still do not see adding 10-15% ethanol when you lose the same average percentage of mileage leading to the same amount of gasoline being used per mile with or without ethanol so we are saving nothing, just burning more fuel.
Last edited by ddm502001; Apr 30, 2010 at 10:22 AM. Reason: mis-spell
Tourer
Joined: Apr 2010
Posts: 356
Likes: 1
From: Mesa Arizona
I just installed my Jackpot dyno tuned mufflers and Thundermax autotune and a Screamin Eagle heavy breather. The bike runs great...way more power and pulls hard. I will check the fuel mileage now and see how much it dropped from stock...if any.
The Schlong Man
Joined: Mar 2007
Posts: 3,772
Likes: 4
From: Nantucket
42 here before PCV. About 35 after. I'd say if your getting much better than 42 mpg your bike is running dangerously lean. I would be very uncomfortable getting 50 mpg out of a tourer. More isn't always better with these things.
Outstanding HDF Member
Joined: Jan 2008
Posts: 3,328
Likes: 15
From: Pacific Northwest
(and stay away from sharp objects).
Grand HDF Member
Joined: Jun 2008
Posts: 4,012
Likes: 298
From: Central Fl
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Road Warrior
Joined: Jul 2009
Posts: 1,979
Likes: 2
From: Northern Colorado
My bike has consistently averaged 32 mpg since doing a stage 1. My riding is about half city and half highway and I am not an overly agressive rider. The service tech says that's normal but I say BULL$HIT!!! Losing 10 mpg with just a stage 1 seems like a bit much. How soon will the spark plugs show if it's running rich?
Just today riding in the North Georgia mountains, we got a miraculous 42.6!!! And I was 2UP!!! The only thing I can think is that we were leaner being up higher; my ears did pop a couple times. Best I've gotten was 42 when solo on back roads. She ran like a swiss watch, didn't act lean at all.