Do not forget to re-seal the gearbox with RTV after you have discovered the right combination. Even even though they're named "gaskets", they will not seal your gearbox on their possess.
If almost everything seems to be standard, attempt altering the equipment-mesh. This is carried out with the mylar "gaskets" that sit among the principal gearbox circumstance and the enter/output caps. Consider introducing or getting rid of some of these spacers until finally your gears have approximately 1/eight"-one/4" of cost-free enjoy. Professionals can order replacements ($one-two) in various thicknesses, but we suggest the swift and dirty technique of chopping your personal out of a sheet of mylar.
"Groaning", "creaking", or "popping" all audio sort-of equivalent in excess of-the-phone. The best point to do is to disassemble your gearbox and get a search at the gears and bearings. The issue will normally current alone in the way of broken/missing equipment enamel, toasted gears (like that image on our house web page), or blown bearings.
My Gearbox is Groaning/Creaking: