IMCO Xtreme Advantage SCX, Information, Operation And Maintenance

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NOTE: The following instructions assume that the drive has been removed from the transom assembly
and is shifted to the
“ neutral ” position. The lower unit has also been removed, along with the yoke coupler
end, center socket, and cross and bearings. Steps followed by asterisk (**) are required only if inspection
indicates component replacement. Brackets following the part name represent the drawing figure # and
item #.
1. Remove upper cap screws [1 - 7,8], remove upper cap [1 - 3].
2. Remove steering cap screws [1 - 28], remove steering cap [1 - 2]
3. Remove detent kit from steering cap [1 - 31].
4. Remove cotter key [2 - 23].
5. Remove shift link [2 - 24], shift cable retainer [2 - 21], shift arm [2 - 22]. (Shift link removal is out front
of gear case).**
6. Remove shift shaft screws [2 - 27].
7. Remove shift shaft plug [1 - 9], shift shaft [2 - 26], yoke & cam [2 - 28].
8. Remove pinion hub screws [1 - (22,23)].
9. Remove pinion hub assembly [2 - (31 - 45)].
10. Disassemble pinion hub assembly.
11. Remove yoke nut [2 - 36], and washer [2 - 37].
12. Remove yoke [2 - 32].
13. Remove retainer nut [2 - 31].
14. Remove Yoke gear end shims [2 - 42], pinion shoulder washer [2 - 43], and pinion seal carrier [2 - 45].
15. Remove bearings [2 - (38,41)], bearing cups [2 - (39,40)], and pinion gear [2 - 12].
Note; be sure to maintain correct assembly position of the upper & lower thrust bearings & races.
16. Remove upper thrust race [2 - 6], and upper thrust bearing [2 - 7].
17. Remove gear assembly [2 - (7 - 17)].
18. Disassemble gear assembly, press down on upper clutch gear to release the clutch shaft retainer
keepers and remove all components from the clutch shaft.
19. Remove lower thrust race [2 - 6], lower thrust bearing [2 - 7].
20. Remove oil tank cover [1 - 43], inspect magnet [1 - 40].
UPPER GEAR CASE - DISASSEMBLY