.: XT660.com - The #1 XT660 Resource :.

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.: XT660.com - The #1 XT660 Resource :. ( https://www.xt660.com/index.php)

- XT660X & XT660R General Discussions ( https://www.xt660.com/forumdisplay.php?f=121)

- - Model year differences ( https://www.xt660.com/showthread.php?t=20214)

Hamslay

01-02-13 10:30

Quote:

Originally Posted by Kev (Post 183748)

Same motor, same clocks since 2004 for the XTR

So how come in reviews and forums, people have claimed the surging was cured on later bikes? Was this a different mapping, or is it actually untrue? :)

supamanaint

01-02-13 11:50

Quote:

Originally Posted by Hamslay (Post 183749)

So how come in reviews and forums, people have claimed the surging was cured on later bikes? Was this a different mapping, or is it actually untrue? :)

I believe the ECU may of been changed over the years, get one of Kev's O2 mods and bingo no surging.

Kev	01-02-13 12:33

The surging has never been cured on the XTX & XTR, the only way to reduce it is by tuning the closed loop circuit with one of Dyno jets O2 optimizers or my 2012 O2 Controller.

http://www.xt660.com/showthread.php?t=8546

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