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CO:1-4 readings of little use. I asked at another FZ forum if anyone had knowledge of these settings and got a response from Ivan. I know of his expertise in performance tuning and knows what he's talking about. Ivan said these numbers affect closed throttle settings and very small throttle...

I'll be sure to post my findings next time I lift the tank. I wonder if using a Power Commander throws these settings out the window...or do the CO settings also alter the PCIII percentages?

Found this with a Google search (FZ1 CO diagnostic)... http://www.g-mac.net/fjr1300/gen_2_fjr1300_bjm.pdf It's from a Yamaha FJR forum but enlightens as to what the CO readings are about. Basically, the higher the number the richer the cylinder is set to run. Looks like a very involved...

The only values I see that indicate something unusual are the 61/30 and the 62/1. I find the manual difficult to follow but I think the 62/1 means there's one (1) history of a fault code and it looks like the 61/30 means the lean angle sensor went off. I don't think values can be changed in...

I picked up an '06 with 5,250 miles a month ago for $4500 and they're selling new 08's for under $7000 at a dealer in Minnesota. With the reports of cracked frame welds on a few 06's and the improved ECU of the 07....I'd buy the '07 if I had a choice.

I live in Austin Minnesota where all the Spam is canned...sorry. Don't have an FZ1 yet but am looking high and low for a gen 2 within 200-300 miles of me. Had many bikes in my youth but went from about 1981 to 2001 without. Bought a new 2001 Yamaha Road Star and have logged 85,000 miles on it...