Exhaust Baffle

That-Kid-O · Scooby Slapper Joined: 19 Apr 2007 Karma :

Hello there. I have a Akrapovic end can on my 600rr and a PC3, I was just wondering if the maps on the DynoJet website were designed for use with the baffle inserted or removed? And will there be a power loss by removing the baffle?

That-Kid-O · Scooby Slapper Joined: 19 Apr 2007 Karma :

Please help?

baldy · World Chat Champion Joined: 16 Feb 2004 Karma :

You would be better getting a custom map made, the ones they supply are just a kind of average map for that kind of setup. I don't think you will notice any difference in power anyway. I didn't on the 1000rr. I just play with the maps a little to see what makes it feel better or worse.
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That-Kid-O · Scooby Slapper Joined: 19 Apr 2007 Karma :

smegballs · World Chat Champion Joined: 28 Oct 2007 Karma :

I thought one of the pro's of EFI was that for small changes like a baffle or air filter swap it sorts itself out with all its sensors?

baldy · World Chat Champion Joined: 16 Feb 2004 Karma :

Normally with a pc you disable one of the sensors that let the ecu's map change slightly depending on conditions. It's not always put in though as it says for track use only. (It's a little connector that looks like a tooth that plugs into where the lambda sensor goes.) I have played with the maps a fair bit and not noticed any difference in power, it just changed the throttle response.
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One day i will rule the world, just not today.

That-Kid-O · Scooby Slapper Joined: 19 Apr 2007 Karma :

So all in all will the stock engine/injectors be able to detect the change casued by the removed baffle and alter mixtures?

baldy · World Chat Champion Joined: 16 Feb 2004 Karma :

It is the lambda sensor that detects if the engine is running as it should. It can only adjust by a small amount. I have run my blade for 3 years on a map that is probably miles out and the bike runs just fine.

I wouldn't worry about it at all, unless the bike ran like a dog and it kept over heating.
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One day i will rule the world, just not today.

Blue_SV650S · World Chat Champion Joined: 27 Nov 2008 Karma :

I'd ring/email power commander, it is the only way to get the definitive answer really ...

At a guess (and it is only a guess) I'd say baffles-out! Thumbs Up

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That-Kid-O · Scooby Slapper Joined: 19 Apr 2007 Karma :

Thaks for all the help everyone. I think I will just remove the baffle from now (33BHP restricted at the mo) and keep em out when the PC3 comes depending on what DynoJet say when i email them Wink