Nice link Grumpy. I had a further look and there were whole GX140 carburettors for pressure washers for about $20. Not sure if the attachments for the control arms are the same though.
Honda GX140 carb
and also here is a 120 watt ultrasonic cleaner all stainless steel and 1.3L container for $80. You can select larger container sizes but the price goes up. Ultrasonic cleaner