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YAMAHA XT660X / XT660R (from 2004 to current)

The Complete guide to modifications, performance enhancements, including performance exhausts, air filters, fuel injection, suspensions and PowerCommander maps encyclopedia all available in one single CD-ROM.

The disc contains a complete modification index in PDF format, with over 330 pages of detailed info with photo‘s. All the mods have actually been carried out with proven results

Have a look at the index

By Kev

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