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Old 10-04-2013, 12:15 PM   #275
Speed changes you.
keener's Avatar
Joined: Feb 2010
Location: Toronto, Canada
Oddometer: 925
unstable idle

Anyone else here having unstable idle issue with #45 jets ?

My bike runs well when cold but when it warms up well in a warm day, idle goes up to 2000rpm or so or comes down bellow 1400. Its impossible to keep it at 1400.

I checked the float levels as it was suggested here (see my original post: . They were a bit off, I set them to exactly 4mm. It got better but still not stable.

I had this issue couple of years ago with H2W jet kit when I put #45 jets in. I replaced it with stock 42 and it became OK. But 45 is recommended here.

I also have lots of popping on deceleration.

Here is my setup :
170/172 mains
Factory pro Ti needles on 3rd clip
Floats at 4mm
FMF pipes, SAS removed.
Have FlexJet IMS

Any thoughts?
04 ADV 950
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