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´05 640 Duke II Newbie Blue Headers Question
Davao City Phils said 2007-07-08 10:03
My ´05 Duke has Blue headers; there are mixed advice from different people about it - some say its ok, normal, some say its lean Jetting and a JD Kit would fix it. Some say the engine is too hot and an engine oil coolant solved the problem. As I am such a newbie on KTM and engines above 200cc - could you guys pls shed some light on this subject?