Yamaha Raptor 350 & Warrior Forum

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    Exhaust Header Studs Keep Breaking. Help!!!

    2000 yamaha 350 Warrior - The exhaust studs keep breaking off in the head... Yesterday was the third time I have had to drill them out retapp and replace..... Not running it hard - this is even happening when just driving on pavement. Yesterday I got frustrated and drilled out the stud holes...