What is a "Stage One Tune?"
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Stellar HDF Member
Joined: May 2014
Posts: 2,486
Likes: 695
From: Huntington Beach, CA
What is a "Stage One Tune?"
Guys, I've only been into Harleys for about 18 months, so I am new to all this. As some of you may know, I just bought a 2015 Fatboy.
I keep reading about folks getting a "Stage One Tune" which is said to improve engine performance. Could someone please explain this to me in very basic terms? Who does a Stage One Tune? What is it? Does it void the warranty? Is it good for the longevity of the engine or are you sacrificing longevity for performance?
I live in California and I am speculating that the Stage One Tune probably undoes a lot of the silly environmental crap that we have to put up with here.
Anyway, I would sure appreciate someone explaining all this in very basic simple terms.
I keep reading about folks getting a "Stage One Tune" which is said to improve engine performance. Could someone please explain this to me in very basic terms? Who does a Stage One Tune? What is it? Does it void the warranty? Is it good for the longevity of the engine or are you sacrificing longevity for performance?
I live in California and I am speculating that the Stage One Tune probably undoes a lot of the silly environmental crap that we have to put up with here.
Anyway, I would sure appreciate someone explaining all this in very basic simple terms.
Seasoned HDF Member
Joined: Feb 2012
Posts: 13,456
Likes: 10,452
From: Sunshine State
The only true stage one tune is when you change the mufflers (or full exhaust system), air cleaner kit and dyno jet (if a carb model) or an ignition download (fuel injected model).
This gives you the extra power and unique Harley sound that you desire and your engine will run, as it should.
This gives you the extra power and unique Harley sound that you desire and your engine will run, as it should.
Last edited by Tampa Fatboy; Sep 6, 2015 at 09:31 AM.
Tourer
Joined: Aug 2014
Posts: 263
Likes: 6
From: Wake Forest, NC
Basic..
Stage 1 = air cleaner, exhaust, and fuel adjustment
Stage 2 = stage 1 + cams
Stage 3 = stage 2 + heads
Stage 4 = stage 3 + anything extra you can throw at it
Borrowed from here: https://www.hdforums.com/forum/exhau...ml#post6161992
Long explanation with pics...
https://www.hdforums.com/forum/softa...ml#post8435984
Stage 1 = air cleaner, exhaust, and fuel adjustment
Stage 2 = stage 1 + cams
Stage 3 = stage 2 + heads
Stage 4 = stage 3 + anything extra you can throw at it
Borrowed from here: https://www.hdforums.com/forum/exhau...ml#post6161992
Long explanation with pics...
https://www.hdforums.com/forum/softa...ml#post8435984
Guys, I've only been into Harleys for about 18 months, so I am new to all this. As some of you may know, I just bought a 2015 Fatboy.
I keep reading about folks getting a "Stage One Tune" which is said to improve engine performance. Could someone please explain this to me in very basic terms? Who does a Stage One Tune? What is it? Does it void the warranty? Is it good for the longevity of the engine or are you sacrificing longevity for performance?
I live in California and I am speculating that the Stage One Tune probably undoes a lot of the silly environmental crap that we have to put up with here.
Anyway, I would sure appreciate someone explaining all this in very basic simple terms.
I keep reading about folks getting a "Stage One Tune" which is said to improve engine performance. Could someone please explain this to me in very basic terms? Who does a Stage One Tune? What is it? Does it void the warranty? Is it good for the longevity of the engine or are you sacrificing longevity for performance?
I live in California and I am speculating that the Stage One Tune probably undoes a lot of the silly environmental crap that we have to put up with here.
Anyway, I would sure appreciate someone explaining all this in very basic simple terms.
Stage I upgrades are NOT created equal.
Here's a LINK where you can read more in depth on what is involved in a Stage I upgrade.
Here's a dyno chart that shows the power improvement from a good Stage I upgrade on a Softail.
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