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S4RS (2007) - PC3 Map

Started by Desmofan, February 20, 2017, 12:35:45 PM

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Desmofan

Might anyone have a map they would share or a link to a site where I can download a PC3 map to suit my S4RS spec.

Full Termi system, K&N, airbox lid removed, DP ECU.

Tried the Akro advanced map from the PC web site but it doesn't feel right. Looking for something to get me by until I can get the bike on a dyno for a custom map.

Cheers.

koko64

#1
My brother had good luck with a Ferracci map for his M900ie. It might be worth an email to see if they sell a dyno derived map.
Amazing the PC map library doesn't have a Termi kit map.
2015 Scrambler 800

Desmofan

Yes, I was very surprised to find they didn't have one available.
The canned map for the Akro feels very weak below 4K. Lots of popping back into the air box going on. Nice and smooth above 4K but I can't live with the bad manners in traffic.
Not getting much response to my map request on here so looks like I need to organise the dyno session.

stopintime

PC3 does nothing below ~4,000 revs on 'closed loop' bikes such as the S4RS. More info in the sticky thread.
252,000 km/seventeen years - loving it

koko64

I would double check that the bike really has a DP ECU to eliminate the closed loop with functioning O2 sensors. If you yourself purchased the full DP kit then ignore me😆
According to the PC site you need a DP ECU (or reflash) to disable the O2 sensors to allow the PCIII to control the low rpm/throttle range. So dont dyno it unless either of those changes have been made or else the stock ECU will over ride the PCIII map.
If the bike indeed does have a DP ECU then yep throw her on the dyno. Nothing beats a good dyno tune by a skilled operator.
2015 Scrambler 800

Desmofan

The bike does have the DP ECU - bought, paid for and fitted by my own fair hand as part of the Termi upgrade kit.
As you correctly say a PC3 doesn't work low down with the standard ECU.
I feel a dyno run coming up.......

koko64

2015 Scrambler 800

MAXdB

Hey Desmofan,

I have pretty much the same mods on my bike and had a custom map made my Mickey Cohen, who's known to be the person to go to for a map.  PM me your email and I can send you my map for you to try.