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FJR Motorcycle Forums
Technical & Mechanical Problems
TBS and fuel economy
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<blockquote data-quote="McRuss" data-source="post: 997005" data-attributes="member: 251"><p>Well, after a couple more tanks, I guess it was just an anomaly, mileage is back up to 47+. I agree with all assesments too, except for #3 being base. I've heard that #1 is suspect because it runs hotter or something, but as Fred W pointed out, it is just a relative thing. Point of TBS is to get all TBs in sync (duh) and that I did. Maybe #3 is a little harder to get at with the screw driver to sync so that is the reason for using it. Plugs are a big factor, I put Iridiums in a while back and saw a mileage jump. Running stock air cleaner too. Overall performance has not changed after TBS, still runs great, just lost alot of vibration.</p><p></p><p>Interesting argument about TBS only valid at idle. A BMW tuner genius used to say set TBS just off idle. And my WeeStom service calls for setting the idle up to 1300 before doing TBS. I maintain that if the TBs are not in sync at idle, they won't be in sync at higher rpms either and the result will be felt. Thus the fact that setting my TBs reduced my 3k rpm vibes. That is my story and I'm sticking to it. :glare:</p></blockquote><p></p>
[QUOTE="McRuss, post: 997005, member: 251"] Well, after a couple more tanks, I guess it was just an anomaly, mileage is back up to 47+. I agree with all assesments too, except for #3 being base. I've heard that #1 is suspect because it runs hotter or something, but as Fred W pointed out, it is just a relative thing. Point of TBS is to get all TBs in sync (duh) and that I did. Maybe #3 is a little harder to get at with the screw driver to sync so that is the reason for using it. Plugs are a big factor, I put Iridiums in a while back and saw a mileage jump. Running stock air cleaner too. Overall performance has not changed after TBS, still runs great, just lost alot of vibration. Interesting argument about TBS only valid at idle. A BMW tuner genius used to say set TBS just off idle. And my WeeStom service calls for setting the idle up to 1300 before doing TBS. I maintain that if the TBs are not in sync at idle, they won't be in sync at higher rpms either and the result will be felt. Thus the fact that setting my TBs reduced my 3k rpm vibes. That is my story and I'm sticking to it. :glare: [/QUOTE]
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FJR Motorcycle Forums
Technical & Mechanical Problems
TBS and fuel economy
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