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Hi I'm about to install a Patrick Racing air kit and I have Samson shorty pipes, and thanks to this site and many of you I'm going to save some money by remapping my stock ecu. I was wondering if anyone had any suggestions on what settings I should start at? Any and all info would be greatly apprechiated. Thank you Randall
 

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i have read on this site that you need to bump up the ecu by at least 4 on each cylinder to make a noticeable difference.
 

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I found an article with instructions to move lead 27 to slot 25. This as opposed to grounding 27. Anybody tried that?

Some have installed a switch to ground in lead 27, is that working out OK?
 

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In case you haven't seen this it will be most usefull. Let me know how it goes; I just received Big Shots and will be doing the same very soon. As for adding a switch, since I don't know the problems that it could bring if switched on during normal riding, I'm not too keen on doing it, and I don't think you'll be doing these adjustments too often.

http://roadrider.org/yamaha/warriors/ecu.htm#figure%201
 

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quote:Originally posted by Bladerunr

I found an article with instructions to move lead 27 to slot 25. This as opposed to grounding 27. Anybody tried that?


I hear that replacement ECUs are rather expensive. Where is this article?
 

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quote:Originally posted by arwarrior

quote:Originally posted by Bladerunr

I found an article with instructions to move lead 27 to slot 25. This as opposed to grounding 27. Anybody tried that?


I hear that replacement ECUs are rather expensive. Where is this article?

[url="http://www.rswarrior.com/forums/topic.asp?TOPIC_ID=11689>http://www.rswarrior.com/forums/topic.asp?TOPIC_ID=11689
 

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quote:Originally posted by Randall

Hi I'm about to install a Patrick Racing air kit and I have Samson shorty pipes, and thanks to this site and many of you I'm going to save some money by remapping my stock ecu. I was wondering if anyone had any suggestions on what settings I should start at? Any and all info would be greatly apprechiated. Thank you Randall

Hi: If you have access to a Dyno ,adjust your numbers one at a time until you get more or less a fuel /air ratio of 13.1
In here we can have access to that for only $20.00 but can't have a custom map. What an irony!
 

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Okay... I don't have the attention span to perform a lot of trial and error adjustments.... ( yeah , I know...)
Currently have stock air box and Cobra megaphone glasspack...
Yamaha guy says I'm running lean...
I'm worried about running too hot...
Any suggestions on ECU adjustments?
( I have the instructions bookmarked... does anyone have ball park figures for it? )
Or should I just get new breathing first?
 

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You could bump both cylinders a couple bumps and and see how it runs. For repeated adjustments - try my switch:

http://www.rswarrior.com/forums/topic.asp?TOPIC_ID=11062
 

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I have a D&D slip on with everything else stock. Anyone have a setting number for where mine should be if different than stock?
 

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As xen says each bike is different. Just a guess but I would imagine the shortys will lose a bit of power and the air will improve things a bit, maybe it will end up with a similar power to stock. I would give it a go without any changes first and do some regular plug checks.

If you have got a friend with a air/fuel sensor that would make life a little simpler.

As a general rule the bike will hesitate/pink /backfire if its too lean and it will stink of petrol and make the exhaust/plugs black if its too rich.
 
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