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The Löwe iacv is poor quality, and sticks. Many people bung the hoses up and adjust the throttle stop screws to give an idle. I replace those iacv's with a vdo part, which seems much better. But half the problem is the cross drilling to support the iacv...as covered quite a bit on this forum. The SE's just seem to be able to idle much lower and smoother than the homologated bikes. I will check oil pressure at idle though, out of curiosity.