Yamaha WR250X/WR250R Cam Chain & Tensioner Replacement Guide (26,000 Mile Service)

Step-by-step blog post - http://dualsportdiary.blogspot.com/2018/03... Part Numbers; Cam chain tensioner # 3D7-12210-11-00 Tensioner gasket # 15B-12213-00-00 Cam chain # 94591-57118-00 Flywheel puller is size 33x1.5 Crush washers are 11.5mm OD and 6mm ID Contents 0:00 Items required/starting out 1:05 Tearing bike down 3:40 Removing head cover 5:13 Checking valves 5:46 Timing chain replacement 10:13 Installing tensioner 13:01 Putting bike back together