2003 Polaris MSX 140 Personal Watercraft Service Manual, Page 137Get this manual
Final DrivePropulsion Stator Disassembly
1Remove tail cone screws (3) and tail coneInspect Oring seal located behind tail coneReplace seal if damage is evidentNOTE: When removing tail cone, hold stator with cone pointed downTwist cone offThis will allow any water from entering the impeller assemblyIt is normal for small amount of water to be inside the cone during operation
2Mount stub shaft flat surfaces in vise to prevent the impeller and stator from rotating