Try using fuel line and cupped washers ....with bolts ..
before motor disassembly I use rubber plumbing caps after pulling the carb and pipe, that allows me to wash all that pesky dirt.
Never heard of that before. Very cool hack John!Pneumatic test ball.
Yeah I thought about that, but I wanted a platform, and needed small wheels with brakes, and square for stability. I wanted the weight distributed on top of the wheels not between. Purpose built by a Hack of all trades.