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Just am getting to trying out the new IQr 660 i picked up last spring. The first night i was riding and was getting 1150-1200 deg. F on the left side and 1100-1150 on the right. Today I noticed the right side to be slowly dropping. Left stayed the same at 1150, the right dropped to around 900..then 700.. by the time i got home it was 450-ish. Does it sound like a bad sensor/probe? The plugs look the same, I don't think its running that rich where it would be 500+ degrees colder. Also I haven't noticed any power loss either. Whats everyones opinions? Also-- looking at replacement Koso probes there are two, the avenger and stinger, is there an easy way to tell which one I have? Thanks in advance!

On another note-- how does everyone grease the jackshaft on these iqrs?
 
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