ATV Repair and Maintenance 1992 Polaris 350l help September 13, 2015 I’m rebuilding the whole motor with new bearings crank piston and rings . A local shop said to put a 1/4 of a quarter of trans fluid in crankcase. Has anyone ever heard of this. It seems weird and like it would smoke bad? Share this:Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window) Related