Friday, September 7, 2012

More OEM service manual issues






Here's another mistake some factory service manuals make, encouraging folks to test for steering bearing tension by wiggling the fork assembly back and forth (front to back). While I submit this might help you identify bearings that were so loose they were about to fall out of the frame, first, there is a much better test for that, and second, this is not the correct way to check steering bearing tension, and it should not be presented as such. For really loose bearings (which actually would make themselves felt and heard long before one suspected the need for the wiggle test) the best test is the hand on the top clamp while pushing front suspension down technique. As for bearing tension, Honda and BMW for their part show the right perspective when they specify the spring scale method of tension measurement. Next up, a common but very unsafe practice found in many manuals...

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