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Discussion Starter #1
Howdy all, I've got an 02 with 28k on the clock and I think my mpg's are going down on me. When I'm riding at reasonable speeds, the BC shows 35-36 mpg. I know I probably don't drive it as slow as I could but don't do WOT all the time either.

The bike runs fine. It did die on me recently when I let off the gas, at low speed, for the first time. Started right back up after that though. All maintenance is up to date, including the 24k.

Should I go ahead and buy the Bosch universal O2 sensor (or other sensor) and install to see if it improves my mpg? The last thing I want to do is bring it to a repair shop to have it looked at for a diagnostic.

Most of my riding is solo and at least half the time the wind wings are not extended.

Thanks,

James
 

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James,
I just finished replacing my O2 sensor for the same reason. The bike was running fine but the mileage had dropped off from the mid 40s to high 30s. I did not bother to get a readout to determine if the sensor was bad. Just went ahead and replaced it. I have only 60 miles on the new sensor and the BC is indicating about 40. So fingers are crossed.
I didn't use the Bosch universal. Bought the BMW replacement. It was a bit of a PIA to replace but I did complete it in a couple of hours.

there was a really good thread which I can't find. It had photos and tips about replacement. Maybe someone remembers.
Bob
 

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I was having the same problem, but, I had replaced my battery and had not reset the TPS. After resetting, the MPG's got progressively better and the crappy performance improved significantly.

To reset the TPS (throttle position sensor) unhook the battery, wait 5 minutes, reconnect, turn on key (don't start) and twist the throttle to full position twice, turn off key, and then yell "fire in the hole!!!!" and start that baby up and ride like the wind.

Can't hurt.....
 

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Discussion Starter #4
Thanks guys for the responses. I just did the TPS reset a few days ago, but figured if their was going to be a noticeable improvement in MPG, it would be showing up now. The performance seems just fine. It's basically the mpg is pretty small compared to a lot of others I've seen.

Good luck Bob with the MPG. Hope it continues doing well for you.

Regards. James
 

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Are yall still getting winter mixture gas?

Bob
 

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Discussion Starter #6
BecketMa said:
Are yall still getting winter mixture gas?

Bob

Not sure Bob. How could I tell if it's winter mixture or not?
 

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Little sticker on the pump tells you the span of the winter mixture gas, which has less energy.

Bob
 

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Offwego said:
I was having the same problem, but, I had replaced my battery and had not reset the TPS. After resetting, the MPG's got progressively better and the crappy performance improved significantly.

To reset the TPS (throttle position sensor) unhook the battery, wait 5 minutes, reconnect, turn on key (don't start) and twist the throttle to full position twice, turn off key, and then yell "fire in the hole!!!!" and start that baby up and ride like the wind.

Can't hurt.....
Craig, I too had the same problem and thanks to your comment I relized I had changed battery and did not do your procedure. My MPG has droped to 40, she has aso cut off after a rev a few times too. Thanks for the reminder! I did it last night and I hope it helps. Thanks again.
 
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