2005 Yamaha F90TR 90HP Outboards Factory Service Manual, Page 91Get this manual
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Power unit
14 (1.4 kgf m, 10.3 ft lb) 28 (2.8 kgf m, 20.7 ft lb)
E S6D85080
Part name Valve lifter Valve cotter Valve spring retainer Valve spring Valve spring s