Average pcv mileage
Stellar HDF Member
Joined: Mar 2008
Posts: 2,921
Likes: 33
From: Lewisberry PA
is that one 1 tank?
36 MPG does seem low, but if you are like the rest of us, when you first get the PCV, your gas mileage seems to go down because of the smile associated with twisting the throttle.
Run a couple of tanks through to see if its smile related. If not you can ask FM to lean out the map for you.
I have a 2010 FLHX with the PCV and AT and get about 40-41 MPG.
Run a couple of tanks through to see if its smile related. If not you can ask FM to lean out the map for you.
I have a 2010 FLHX with the PCV and AT and get about 40-41 MPG.
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
It's not a matter of the PCV producing reduced mileage, as it is only doing what the map is telling it to do. If you don't like the mileage you can lean out the cruise range, which will help, as Fuel Moto's maps tend to be a bit on the rich side to promote cooling. I've been able to get my mileage up near stock while cruising, as long as I keep the throttle-twisting to a minimum. There are side-effects to doing this, like heat, so whatever direction you go there are compromises.
I would say that 36mpg is not low if you are checking it in city riding. I'm at that point and I've been tweaking mine for months, but if you are in this range while riding on the highway, particularly at slower speeds (e.g. 55-60mph), you are much lower than you should be. I can get 48-49mpg on the backroads with E10 gas as long as I keep a steady speed.
I would say that 36mpg is not low if you are checking it in city riding. I'm at that point and I've been tweaking mine for months, but if you are in this range while riding on the highway, particularly at slower speeds (e.g. 55-60mph), you are much lower than you should be. I can get 48-49mpg on the backroads with E10 gas as long as I keep a steady speed.
Last edited by iclick; Jul 8, 2010 at 09:35 AM.
Grand HDF Member
Joined: May 2006
Posts: 4,363
Likes: 3,622
From: SE NC
I don't have a PCV, but a PCIII, but when I got it from Fule-Moto with their map, I was getting around 36 or so. Bike ran great as one would expect, but it was a bit to rich. It would actually sputter out some carbon in the driveway at idle. I guess I didn't hammer it enough to blow it out.
But, good 'ol iclick above sent me one of his maps, same performance and increased mileage, I'm getting around 42'43 around town, and on a nice long hwy ride around 48/49.
Thanks iclick,
still runnin' your map. Been about two yrs or so now.
But, good 'ol iclick above sent me one of his maps, same performance and increased mileage, I'm getting around 42'43 around town, and on a nice long hwy ride around 48/49.
Thanks iclick,
still runnin' your map. Been about two yrs or so now.
Road Master
Joined: May 2008
Posts: 1,065
Likes: 1
From: Madison, WI
I run a similar system to Iclick and agree with him.
My early mileage was in the mid 30 range and I have leaned out the cruising range lately.
Back and forth to work at 70MPH nets around 41 MPG.
Do note that if I ride it like it stolen in town, I can get into the 20s.
My early mileage was in the mid 30 range and I have leaned out the cruising range lately.
Back and forth to work at 70MPH nets around 41 MPG.
Do note that if I ride it like it stolen in town, I can get into the 20s.
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
I don't have a PCV, but a PCIII, but when I got it from Fule-Moto with their map, I was getting around 36 or so. Bike ran great as one would expect, but it was a bit to rich. It would actually sputter out some carbon in the driveway at idle. I guess I didn't hammer it enough to blow it out.
But, good 'ol iclick above sent me one of his maps, same performance and increased mileage, I'm getting around 42'43 around town, and on a nice long hwy ride around 48/49.
Thanks iclick,still runnin' your map. Been about two yrs or so now.
But, good 'ol iclick above sent me one of his maps, same performance and increased mileage, I'm getting around 42'43 around town, and on a nice long hwy ride around 48/49.
Thanks iclick,
still runnin' your map. Been about two yrs or so now.
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
If anyone is interested I did a long-winded write-up on getting better mileage with the PCV with Auto-Tune using the map switch function here. Using a switch with the PCV without AT can achieve the same result, but it works a bit different. Whereas AT toggles between "learning mode" (AT) and the base map, the PCV alone does so between two distinctly different maps. You can have a lean map for most of your riding and switch to a richer version (e.g. Fuel Moto's map) to cool things down when needed. I've found this to be an excellent solution, as you can have your cake (good mileage) and eat it too (cooling on demand).
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Club Member
Joined: Nov 2008
Posts: 5,481
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From: Georgia
I ride a 09 RKC around the city and blow downtown which is a 70 mph 20 mile trip on the free way. The avg MPG is some 35 - 36 MPG which falls right in with the estimate for city driving. The guys who claim 50 or more mpg are riding strictly freeway miles and not much slowing down or speeding up, imho, in other words they can approach or hit the estimate for highway driving which is 54 MPG. I call 36 mpg good city mpg.
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Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
I ride a 09 RKC around the city and blow downtown which is a 70 mph 20 mile trip on the free way. The avg MPG is some 35 - 36 MPG which falls right in with the estimate for city driving. The guys who claim 50 or more mpg are riding strictly freeway miles and not much slowing down or speeding up, imho, in other words they can approach or hit the estimate for highway driving which is 54 MPG. I call 36 mpg good city mpg.
BTW, I couldn't get 54mpg on my bike unless I was going downhill with a strong tailwind for the entire ride. There's just no way. My best is 50.5mpg for one tank in the Texas Hill Country, and although it has hit 50mpg a few times in the past I haven't been able to get quite that high locally with the E10 gas they've been selling here for the past 18 months. As for the factory gas-mileage claim, I think my '07 is rated more realistically below that anyway and the 54mpg claim started in '08.
Club Member
Joined: Nov 2008
Posts: 5,481
Likes: 4
From: Georgia
Yada Yada ...
BTW, I couldn't get 54mpg on my bike unless I was going downhill with a strong tailwind for the entire ride. There's just no way. My best is 50.5mpg for one tank in the Texas Hill Country, and although it has hit 50mpg a few times in the past I haven't been able to get quite that high locally with the E10 gas they've been selling here for the past 18 months. As for the factory gas-mileage claim, I think my '07 is rated more realistically below that anyway and the 54mpg claim started in '08.
BTW, I couldn't get 54mpg on my bike unless I was going downhill with a strong tailwind for the entire ride. There's just no way. My best is 50.5mpg for one tank in the Texas Hill Country, and although it has hit 50mpg a few times in the past I haven't been able to get quite that high locally with the E10 gas they've been selling here for the past 18 months. As for the factory gas-mileage claim, I think my '07 is rated more realistically below that anyway and the 54mpg claim started in '08.
Last edited by BigGdawg; Jul 8, 2010 at 12:10 PM.