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RBMann RBMann is offline
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Join Date: Sep 2001
Location: Kenmore, WA
Posts: 3,922
Just to be clear, the lever on the left control is not a choke and does not make the mixture richer. It is simply a fast idle aid. You could leave it on all the time and not affect gas mileage. I also would not casually start changing the zero=zero setting. First thing to do is figure out what equipment is or is not on the bike. Is there a Power Commander, Techlusion box or some other mode to the fueling? What exhaust system is present? How about starting with a complete tune-up?

As a data point my stock 2000 S with a PCIII has always had mileage in the 30s around town with 40s and 50s on the highway. The PCIII does not seem to affect cruising mileage as much as in the city.
RBMann- The road is his workshop, and his trips are opportunities to do much needed repairs. -Bill S.
* '17 Africa Twin * 2000 S, color-Salmon 100K+
* '09 F650GS twin-pending sale
* '83 GPZ 550-gone to a newbie * '75 CB400F-retired to AZ.
Old 05-29-2012, 09:47 AM
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