No! No! No!
Walt ya got it all wrong. First you take it apart and find the offending defective part. Then you get a replacement and fix the 50 cent mower, of course now you have a few more dollars in your mower. Then take the defective part to the (engineer?) who designed the piece of crap part in the first place and read him/her from your book of anger management. That should get the job done and you'll feel much more satisfied as you mow your lawn with a mower that you fixed yourself.