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How to set up a GSX-R's Power Commander

Q. I have owned my GSX-R1000 K2 from new and had the obligatory Power Commander, air filter and exhaust fitted soon after getting the bike. I have never had any problems with the installation of these mods, nor the bike.

Each year I fit the standard silencer back on for MoT purposes and the bike is fine just pottering up to the MoT station and back.

However, I am getting more paranoid about noise and being a nuisance as I get older, plus getting nicked of course, so I was considering just leaving the standard silencer on there.

I don’t do many miles a year, but I am not sure about how the standard silencer will affect the set-up over the longer term and on longer journeys.

Do I just download a new fuelling map? Should I get someone to set it up for me or can I just leave it and run around quite happily?
Dave Stephens, email
A. As the standard can is more restrictive than your other pipe, you won’t run into lean mixture problems that could damage the engine, but you do need to make some changes to get it running as well as possible.

The first is to download a suitable engine map for the Power Commander to match the stock exhaust.

The correct map designation is M308-501, if you no longer have the CD-ROM that was included with the Power Commander you can download the map file at

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