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BH250D Vacuum Leak?

This is perfectly normal, the throttle body slowly releases the vacuum on shut down
Idle surge is caused by one of two issues with a new motor, either valve clearance or timing belt adjustment, or even both. This is one good reason to let your dealer do the first service so that any fine adjustments they feel necessary can be carried out.
 
Thanks! My buddy who is a Suzuki and Mercury mechanic told me the same thing. Normal sounds coming from the IAC.

Unfortunately, my dealer only changes the fluids at 20 hrs. They don't do any diagnostics. This is Florida. Good engine service is hard to find. That's why I did it myself.

I'm going to have an independent Honda guy check the engine today.
 
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