Got the latest project a 09 yz450f and need to run the valves. I have watched several videos, love youtube. I am not new to valve adjustments but one thing has me punchy. I am scared that I will drop a shim, or something else down inside the motor. Is there a trick you guys use to avoid this? All I can think of is stuffing rags or paper towels in all the holes. Magnets are great and I use a bunch of them, will here too. Hour meter on order soon. Ebay for the meter and shim kit? anywhere have a better price? Doing a fork seal replacement this weekend of I can get the fork caps off. I don't want to spend $20 for a tool I will use maybe 2x ever and good for nothing else. Thanks for all the input!!