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Fuel economy check in time... (Read 208 times)
WD
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Fuel economy check in time...
04/22/14 at 23:19:47
 
Just for fun.

My 03 does 72 miles per day, minimum, at 45-65 mph. The last couple tanks have averaged 68.5 miles per gallon... and that's with a Memphis Shades Big Shot windshield slammed all the way forward on the mounts (nearly vertical)...

When I got it the bike was knocking down 41-43mpg. Guess I got the carburetor dialed in.
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old_rider
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Re: Fuel economy check in time...
Reply #1 - 04/22/14 at 23:26:09
 
Dang...that is awesome! I got a rather large windscreen but I still haven't had the gonads to make mine burp to reserve yet.... I am always filling it back up at about 103 miles on the trip meter.

Guess i'll have to do a little figuring....
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Re: Fuel economy check in time...
Reply #2 - 04/22/14 at 23:42:27
 
I'm a bit of a mpg freak...(I drive a Metro)... Grin...
68mpg is kickin' butt!...
Wink...
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WD
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Re: Fuel economy check in time...
Reply #3 - 04/22/14 at 23:49:13
 
old_rider wrote on 04/22/14 at 23:26:09:
Dang...that is awesome! I got a rather large windscreen but I still haven't had the gonads to make mine burp to reserve yet.... I am always filling it back up at about 103 miles on the trip meter.

Guess i'll have to do a little figuring....


I fill it up daily. I do NOT want to run out of gas in Memphis. People already slow down around me, guess I look a bit too "motor officer" and they get scared... I'd probably get shot sitting on the side of the freeway.  Shocked
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Re: Fuel economy check in time...
Reply #4 - 04/23/14 at 06:33:42
 
WD - that's impressive    My new one got 63-plus breaking it in(babying it)     Now I'm too heavy on the throttle for any respectable mileage    I bought a new Geo Metro in 1993   It got 49.9mpg on its first tankful(all city driving)      What are the specs on your carb ?
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WD
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Re: Fuel economy check in time...
Reply #5 - 04/23/14 at 07:22:34
 
150/50 jets, mixture screw adjusted until it sounded right. Raptor petcock with the proper size fuel line and no inline filter.

I live at the highest point in the county (424 feet). And it is always humid. Based on the 98 that saw MS-TN-KY-AR-FL-LA-MO-WA-ID-OR, the engine likes humidity versus drier air.
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Re: Fuel economy check in time...
Reply #6 - 04/23/14 at 08:42:24
 
WD - That is the jet combination that worked best in my bike before I made lots of engine changes.

My bike now has a Wiseco, Stage 1 Cam, some port work, and a Mikuni VM36, and it is a Cafe' conversion.  The last time I did a mileage check I was getting 57 mpg.

It will be interesting to see how that might change as I just did a Kawasaki Pulley conversion that brought the cruising rpm's way down.  My engine is now turning about 3,070 rpm at 60 mph.
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Re: Fuel economy check in time...
Reply #7 - 04/23/14 at 08:44:51
 
I am very glad your enjoying the bike WD. The bigger question is though how is it on your back. I kinda worried when you said that was a concern. I think you said you dialed in the rear shocks as well.  It was a good bike to me, and I don't think my riding was ever harsh on it. Age aside... its a "young" bike in terms of life left ( in my opinion).

We need a pic of the WD version of the bike!!!

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WD
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Re: Fuel economy check in time...
Reply #8 - 04/23/14 at 08:56:06
 
With the wide and low FL police bars, stock seat, Progressive shocks set on mid range and Big Shot, it's fine. Still need to relocate the rear turn signals and get the saddlebags on it. I may replace the license plate light with a round taillight and delete the stock one... never been fond of Savage/Intruder on fender taillights.

Working on a small light bar for the forks. So much easier on Pokey though with its high sidemounted headlight bucket...

Heading out to switch the windshield plastic for the new one. I'll take a few pics, but they won't get posted until Lisa works her magic. Going from the camera to her computer to Photobucket is far beyond my rudimentary computer skills.
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Re: Fuel economy check in time...
Reply #9 - 04/23/14 at 09:00:58
 
I'm not an economy freak, and probably don't have it dialed in perfectly. I usually drive it hard and fast around town 95% of the time and usually only average around 40mpg. Never done any long trips and the best I have ever got is only 46mpg. Lately I've been noticing more shift pops and just general grumbling more from the exhaust, so I probably better check for air leaks again and should probably check out the jetting again (currently running a 147.5/55 combination at my elevation of about 4500')
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Re: Fuel economy check in time...
Reply #10 - 04/23/14 at 09:24:39
 
With Fuelly.com I started tracking around the 3,000 mile mark. I have 95 fuel ups, 12,278 miles tracked, a $0.072 cost per mile and an average of 55.5 mpg. My best was 59.7 mpg. I am not a racer and have tried to be conscious of not laying on the throttle at the light. The 59.7 was during a period where I was trying to get the best mileage I could but could cross the 60 mpg barrier  Sad I have no windshield and do a lot of freeway riding but rarely go over 75, usually around 65-72 (no real hurry to get to work Grin ). The bike is all stock in the carb and I have the raptor.
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OK.... so what's the
speed of dark?

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Re: Fuel economy check in time...
Reply #11 - 04/23/14 at 09:47:03
 
EJID wrote on 04/23/14 at 09:00:58:
(currently running a 147.5/55 combination at my elevation of about 4500')

55# pilot seems kinda' large for 4500ft...
The pilot affects mpg pretty strongly...
You might try a 50#...

I have 50# pilot and I get rich pops above 5000ft... but I normally ride between 2600 and 4500ft...
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Re: Fuel economy check in time...
Reply #12 - 04/23/14 at 10:23:17
 
Serowbot wrote on 04/23/14 at 09:47:03:
EJID wrote on 04/23/14 at 09:00:58:
(currently running a 147.5/55 combination at my elevation of about 4500')

55# pilot seems kinda' large for 4500ft...
The pilot affects mpg pretty strongly...
You might try a 50#...

I have 50# pilot and I get rich pops above 5000ft... but I normally ride between 2600 and 4500ft...


I forgot, when I bought the jets, they didn't have a 50 in stock, so I went with the next up / 55 - always meant to stop back in and get another since they are cheap...gonna have to stop by I guess  Cheesy
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05 S40 15" Memphis Slim, FXDWG Bars, Moved Rear Signals, Saddlebags, Fork Bag, Mini-Tach, Raptor, Cone Filter, Fishtail Muffler, Mix Screw Out 2.5 Turns, 4" Fwd Controls, 147.5 Main/55 Pilot @ 4500
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Re: Fuel economy check in time...
Reply #13 - 04/24/14 at 19:46:58
 
WD wrote on 04/23/14 at 07:22:34:
And it is always humid.

I'll second that.  I live not far from WD.

Check sig for mileage.
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Re: Fuel economy check in time...
Reply #14 - 05/05/14 at 19:49:33
 
I need to tune my 88 better. I'm getting all of 38mpg. Mixture of highway and city
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1988 Stock, mixture screw out 2 turns, seat lift mod, elevation= sea level, main jet=155 pilot jet=55
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