Sportster S Sportster S Only

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Old Apr 5, 2022 | 09:29 PM
  #1  
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is there a mod or a tune to bring the sportster s motor to the pan america motor hp?
thanks.
 
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Old Apr 7, 2022 | 05:25 PM
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No. It's a different engine, it's not a tune change. The Sportster S uses the 1250T engine, not the 1250 as used in the Pan America. The Sportster S has more torque down low than the Pan America, it has a different intake, different valves, tighter ports, different cams, different geometry in the combustion chamber.

If you wanted to change the gas tank, intake, heads and cams and all that to Pan America parts, then you might be able to get to the 150hp of the Pan America engine, but then you'd be sacrificing the additional torque the Sportster S's engine develops.
 
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Old Apr 7, 2022 | 09:32 PM
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thanks.
 
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Old Apr 8, 2022 | 09:20 AM
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Torque is good. That engine in sport mode has so much power for me. Can't imagine more. But we all like more.
 
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Old Apr 15, 2022 | 11:47 PM
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Default Power Vision

Hi I’ve had the sportster s in the Dyno for the past couple of weeks, the power vision v3 fits the sportster s with a firmware update to allow access to the fuel mixture
I’ve had it remapped for the new exhaust hoping to get him back on Tuesday.

Fred at Procycle has worked hard on the fuel mixture, he said the stock map was a bit of a pig. Looks like the quoted 121hp is at the fly wheel as the bike stock produced 113hp at the rear wheel, after the retune and exhaust it puts out 121hp at the wheel apparently the biggest gains are in the low to midrange with even more torque!

There’s more to work out with it. There was a flat spot on the take off after the new exhaust went on but now it’s super crisp and responsive.

Hoping to post a video soon…
 
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Old Apr 16, 2022 | 12:23 AM
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Originally Posted by Publican
Hi I’ve had the sportster s in the Dyno for the past couple of weeks, the power vision v3 fits the sportster s with a firmware update to allow access to the fuel mixture
I’ve had it remapped for the new exhaust hoping to get him back on Tuesday.

Fred at Procycle has worked hard on the fuel mixture, he said the stock map was a bit of a pig. Looks like the quoted 121hp is at the fly wheel as the bike stock produced 113hp at the rear wheel, after the retune and exhaust it puts out 121hp at the wheel apparently the biggest gains are in the low to midrange with even more torque!

There’s more to work out with it. There was a flat spot on the take off after the new exhaust went on but now it’s super crisp and responsive.

Hoping to post a video soon…
Every manufacturer rates their Hp/Tq at the crank vs fly wheel.
 
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Old Apr 21, 2022 | 12:33 AM
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Default Dyno runs

Hi I’ve attached the Dyno sheet from the tuning, the bike still needs more work Fred’s not happy with the results and feels there’s more to get he spent 3 days trying and is in touch with Dynojet who have been extremely helpful managed to remove all the limiters from the gears and she is wow 100mph in 4th gear and gets ther bloody quick will keep posting after the next tune
 
Attached Thumbnails tuning-cef642ab-9e85-4e08-9366-4197737096f1.jpeg  
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Old May 8, 2022 | 06:04 AM
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Hi,

So keen to see this, any chance you would consider sharing the new file, keen as to know more @Publican
 

Last edited by matchstixx; May 8, 2022 at 06:05 AM. Reason: add @
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Old Jun 3, 2022 | 12:46 PM
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Hi @Publican

I just spoke with a tuner and he wanted me to find out if Dynojet has any "base improved" map. Did you use any base tune or did your tuner just start with the stock map, unlock and start from there?
 
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Old Jun 4, 2022 | 11:33 AM
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Originally Posted by Publican
Hi I’ve attached the Dyno sheet from the tuning, the bike still needs more work Fred’s not happy with the results and feels there’s more to get he spent 3 days trying and is in touch with Dynojet who have been extremely helpful managed to remove all the limiters from the gears and she is wow 100mph in 4th gear and gets ther bloody quick will keep posting after the next tune
My partner and I have been hunting for more information in regards to tuning as well. Overlooked the "T" in regards to engine and we had debated on going with the pan am tuning kits, thankfully I came across this thread. Would love to see and hear more about what your guy has done with the tuning specifically as that is our last major detail we are wanting to work on.
 
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