1998-2006 Yamaha F20/F25 Outboards Service Manual, Page 59Get this manual
ISPECI U-I Nut (A) 8mm 10mm 12 mm 14 mm 17 mm Bolt (B) M5 M6 M8 M10 M12
TIGHTENING TORQUES
General torque specifications m-kg ft-Ib Nm 3.6 5.0 0.5 8.0 5.8 0.8 13 18 1.8 3.6 25 36 31 43 4.3
GENERAL TIGHTENING TORQUES
This chart specifies tightening torques for standard fasteners with standard ISO thread pitchTightening torque specifications for special components or assemblies are provided in applicable sections of this manualTo avoid warpage, tighten multifastener assemblies in crisscross fashion and progressive stages until the specified tightening torque is reachedUnless otherwise specified, tightening torque specifications require clean, dry threadsComponents should be at room temI