1963-1973 Mercruiser all Engines and Drives Service Manual Books 1 and 2, Page 913Get this manual
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GEAR HOUSING TORQUE SPECIFICATIONS D-TRS and n-TR MODELS MerCruiser TI-TRS Torque FtlbsMerCruiser ll-TR Torque Ftlbs
7 1620 5-18 16 716-20
35 (6) 180(1150 (1) 405 (1)
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