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Buell Forum » XBoard » Buell XBoard Archives » Archive through September 15, 2008 » TPS AND FUEL MILAGE? « Previous Next »

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Brutus
Posted on Monday, September 08, 2008 - 05:08 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

OK! MY 07 XB9SX WAS REALLLLLLLLLY SLUGGISH AND HESITANT FROM THE STARTS. IT ALSO WAS ONLY GETTING 40MPG(GIVE OR TAKE). I WENT TO GET A TPS RESET. RUNS LIKE A STRAPPED APE NOW, BUT STILL SAME FUEL ECONOMY. IN THE SPECS IT SAYS 50MPG CITY. I'M A THROTTLE JUNKIE BUT COME ON.}
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Buellinachinashop
Posted on Monday, September 08, 2008 - 05:13 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

could you edit this and take out the ALL caps please? I have a serious headache.
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Brutus
Posted on Monday, September 08, 2008 - 05:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

THANKS FOR THE ADVISE!
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Buellinachinashop
Posted on Monday, September 08, 2008 - 05:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You running your bike between 3-4k rpm? If you ride around the city, 35-40 in 5th, you're mpg will slump.
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Hexangler
Posted on Monday, September 08, 2008 - 05:57 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

AFTER 15K MILES MY XB12R NOW MAKES 50MPG. THESE BIKES TAKE A LONG TIME TO BREAK IN. NOW STOP BEING BRUTISH BRUTUS!
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Moosestang
Posted on Monday, September 08, 2008 - 06:27 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You're not going to get 50+mpg by using wide open throttle from every stop light.
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Brewtus
Posted on Monday, September 08, 2008 - 06:42 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Dude quit YELLING!!
man I sure hope you guys don't get me mixed up with this guy!
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Brutus
Posted on Tuesday, September 09, 2008 - 08:12 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Alright..I'll quit yelling. One more thing. how often have you guys needed a TPS reset.
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Buellinachinashop
Posted on Tuesday, September 09, 2008 - 08:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

twice in two years, once because I added the Buell Race kit.
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Paulxb12r
Posted on Tuesday, September 09, 2008 - 09:09 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

My bike needed a Tps reset every 4 to 6K I'm at 6K now and still running good.

If you can easy up on the throttle these bikes will do even better than the manufacture say they will. I done 78 mpg more than once.
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Marko138
Posted on Tuesday, September 09, 2008 - 09:28 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I got 51mpgs tearing through the twisties 2 weeks ago.
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Froggy
Posted on Tuesday, September 09, 2008 - 10:34 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

One the bike is broken in you will almost never need a reset. It takes 2 minutes to check so i check it every 10k miles anyway.
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Brutus
Posted on Tuesday, September 09, 2008 - 03:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hey froggy..do you have your own cble to check it? I have 4300 miles on it and bought it at the end of this July.
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Brutus
Posted on Tuesday, September 09, 2008 - 03:16 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I hardly ever have it in 5th gear, unless I'm over 75-80 mph.
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Froggy
Posted on Wednesday, September 10, 2008 - 10:36 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes I bought a ECMspy cable to check it. American Sport Bike sells them now too.
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Hexangler
Posted on Thursday, September 11, 2008 - 08:06 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes, I noticed American Sport Bike now sell the cables now. Good for them.

I just reset my TPS again with ECMspy, and I don't think the bike really needed it.

So IMHO the above is true as far as the break in period goes.

I did find however that the active exhaust cable was kinked at the termination joint near the can. This was what was making me think TPS reset.

Good to look over everything every couple of months.
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Froggy
Posted on Thursday, September 11, 2008 - 08:58 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

When you hook it up, twist and release the throttle. If its not at about 5.8, then reset it, otherwise just leave it : )
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Lost_in_ohio
Posted on Thursday, September 11, 2008 - 09:18 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

If you are running around town the milage really suffers. Commuting I get about 40 or so, it is my belief that the bike never completely warms up during the commute giving me the poor fuel economy. Day rides in the twisties I have gotten as high as 56.
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Bombardier
Posted on Friday, September 12, 2008 - 03:56 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Where it is after you release the throttle is not really the issue.

This can be adjusted with the idle control.

You need the tps to be zeroed/reset to find a starting point to apply the fuel map to the throttle position/butterfly opening.
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Froggy
Posted on Friday, September 12, 2008 - 11:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)


quote:

Where it is after you release the throttle is not really the issue




Actually it is. I have seen ECMspy give insane numbers at first like 49%. A quick snap of the throttle and all is good.
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Brutus
Posted on Friday, September 12, 2008 - 03:15 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just bought a cable for ecmspy. Before I play with it I think I'll put a Spec Ops pipe first.
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Moosestang
Posted on Friday, September 12, 2008 - 03:45 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Are you guys disconnecting the ecm to use ecmspy or do you have a laptop next to the bike? I don't own a laptop.
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Moosestang
Posted on Friday, September 12, 2008 - 03:50 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

I hardly ever have it in 5th gear, unless I'm over 75-80 mph.

If you want to get the fuel mileage advertised, then you can't ride around at 4,000+ rpms. Keep it around 3,000 and you'll see a big improvement. 5th gear is there for a reason, this is common sense.
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Froggy
Posted on Friday, September 12, 2008 - 05:26 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Moose you need to get your bike within a reasonable distance of a computer, weather its desktop or laptop or something else. I could do it from my desktop, its next to a window so I could roll up to the window and do it that way. Your other option is a Palm and using the Palm version of the software, but nobody makes the cables for it so you’re on your own.
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Moosestang
Posted on Friday, September 12, 2008 - 07:05 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Froggy, how long is the cable that Americansportbike.com sells? My desktop is near a window.
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Froggy
Posted on Friday, September 12, 2008 - 07:54 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

You would have to ask Al directly, but I assume 6 ft.

You can buy USB extension cables if needed to give you some more footage. The maximum length for a USB cable without a repeating device like a powered hub is 5 meters, or 16.4 feet.

Enjoy connecting the bike, running inside to start ecm spy, running back out to start the bike, back in to check the TPS, back out to adjust it, back in to see if its adjusted enough, back out to adjust more, back in to hit the reset button, and back out to confirm the idle : )
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