It's San Diego, it's Summer, you should be down near the beaches, or Coronado taking pictures of any attractive women on bikes, or get down to the docks adjacent to Joe's Crab Shack and watching USA, the BMWOracleRacing 90' tri with the recent 200' mast heading out for a days trials.
Please get your priorities in order.
That and might try an additional washer on the tension ring bolt of the shift lever, use a split lock washer or two, you will porbably not find a suitable sized wave washer, although Smiley does make them... unless you are an engineer requestion samples, they want to sell you 10,000.