Automatic compression release
Cr
I have manual cr on my bike and they have stuck a few times over the years but it's an easy fix a drop of oil and it's gone. Even when they did stick all that happened is it spits air and then they catch and that's that. A drop of oil and back to normal. I would prefer the manual over automatic just my feelings
Road Master
Joined: Aug 2012
Posts: 1,086
Likes: 5
From: London, UK
I believe I have ACR on my '13 fatboy. But when playing around with the tuner, I noticed that the dealer-flashed tune has ACR disabled. I've tried it enabled, but haven't noticed any difference in starting.
Road Captain
Joined: Jun 2010
Posts: 604
Likes: 22
Your ears will tell you. Listen to a bike with ACRs start and you can hear the swoosh of air when they first turn over. If you listen to a bike without obviously you wont hear the air. Its a more subdued sound than the manual releases because they release to atmosphere while the ACR's release into pipe.
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Tourer
Joined: Oct 2009
Posts: 250
Likes: 0
From: RIO GRANDE, TEXAS
Your ears will tell you. Listen to a bike with ACRs start and you can hear the swoosh of air when they first turn over. If you listen to a bike without obviously you wont hear the air. Its a more subdued sound than the manual releases because they release to atmosphere while the ACR's release into pipe.
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