2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 146Get this manual

2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 146

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Lower unit

NOTE: The sum of T3 and M0 should be more than MCalculation formula: Pinion shim thickness (T3)M0 Available shim thicknesses: 0.10, 0.12, 0.15, 0.18, 0.30, 0.40, and 0.50 mm