head bolt spec [Archive] - Yamaha Forum : Your Yamaha Motor Products Community & Resource


Yamaha Forum : Your Yamaha Motor Products Community & Resource > General Forum > General Bike Discussion > Mechanical / How To > head bolt spec PDA : head bolt spec cataclysm 10-05-2009, 03:34 PM am looking for the head and jug bolt torque spec :stupid Junior 10-05-2009, 04:27 PM For a YZ250? what year? cataclysm 10-05-2009, 06:20 PM sorry 90 yz 250 Junior 10-05-2009, 06:48 PM I don't have the book for it but assuming it's an M8 for the head bolts and an M10 for the cylinder studs, odds are you're in the range of 18 for the head and 25 for the jug. You really should check the book tho.