2003 Polaris MSX 140 Personal Watercraft Service Manual, Page 141Get this manual
Final DrivePropulsion Engine Alignment Inspection (Vertical)
1If vertical mis-alignment is evident, loosen engine mount nuts and add or remove shims between mount plate and rubber engine mounts (equally on both sides) to raise or lower the couplerNOTE: Before shimming engine, be sure misalignment is not caused by problem in the pump mounting area, such as loose mounting fasteners; improperly installed pump mounting studs; hull damage, etc2To raise coupler: Add shim(s) to the rear mounts or remove shim(s) from frontTo lower coupler: Remove shim(s) from rear mounts or add shim(s) to frontThe number of shims installed in production is written next to each mount in permanent marker on late modelsAlignment Shims PN 7555860 Alignment Tool Too Low (See NOTE:) Front of Watercraft Coupler
Engine Alignment Tool Too High (See NOTE:) Front of Watercraft Coupler Engine