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CB1100 Idle speed instability problem
Hi Pdedse,

1) The valves were adjusted! I asked for the actual measurements but when I turned up they just handed over the bike and I was so excited to ride I forgot to get them.

2) The shop that did the valves did the tuning.

3) The tuning was on a dyno and adjusting a Power Commander 5

4) There was SOME hint of it, but it never died before that happened. I had a couple instances where the idle was higher than normal, but nothing lower until after this service.



@Max: I would be interested in bypassing the IACV by disconnecting it after it's warmed up, I have a general idea of where the IACV is but thought it was inaccessible without removing a lot of plastic behind the throttle body assembly? My first instinct was to take it back to the same shop and have them check for vacuum issues. The problem with my setup is it's a very dark apartment garage, no place to actually remove the tank or get any serious work done unfortunately! The previous maintenance I mentioned was all done on the side of the road in front of my building.
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RE: CB1100 Idle speed instability problem - by iamheero_imp - 12-11-2020, 11:51 AM

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