FM Map Accuracy
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Cruiser
Joined: May 2011
Posts: 140
Likes: 0
From: Ozarkistan
FM Map Accuracy
Put my bike on the dyno Friday in St Louis. I could tell it was running a little lean at roll on and wanted to really get it dialed in. Still it wasn't running bad, just knew it could do better. I think FM did a pretty good job on this configuration considering I got the impression this was maybe a new one for them. Sure, 255s are common but maybe not so much in 2010/2011 models. Blue is FM, red is final. Yes, I know it's STD, but that's what I have. 
Road Captain
Joined: Apr 2010
Posts: 513
Likes: 3
From: Charlottetown, Prince Edward Island
their maps are pretty much spot on - you must be a "human dyno" if you can feel the difference in less than 2hp!!! I'm a little ticked FM told me they don't have a map for my bike after getting headwork done, moving on to a thundermax.
Extreme HDF Member
Joined: Sep 2005
Posts: 11,615
Likes: 50
From: Baton Rouge, LA
When I was auto-tuning with the PCV I found their maps very close. Either way those are very good numbers, IMO, but I'm surprised one of their maps would run 14:1 anywhere in the operating range.
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