After replacing three of my clutch plates that were disintegrating in the gear box, I now want to "flush" the debris from the tranny. If it were a car's transmission I would drain the gear oil, add a quart of Automatic Transmission Fluid, run it briefly in the driveway, then drain and replace with gear oil. Before I do that on my Sporty, is there anything I should be aware of? Or, comments such as "dude that's a bad idea because....." would be appreciated. Thanks!