Yamaha F150B Service Manual

Also see for F150B: Owner's manual Service manual Owner's manual

1-18Special tightening torque012345678910ASpecial tightening torqueFuel systemPower unitPart to be tightened Thread size Tightening torquesN·m kgf·m ft·lbCanister bracket bolt M6 10 1.0 7.4Fuel pump cover screw M6 4 0.4 3.0Fuel pump assembly bolt M6 10 1.0 7.4Filter cup — 5 0.5 3.7Intake silencer bolt M6 6 0.6 4.4Throttle body bolt M8 13 1.3 9.6Fuel rail bolt M8 13 1.3 9.6Fuel cooler bolt M6 5 0.5 3.7Air pressure sensor screw M5 5 0.5 3.7Vapor separator bolt M6 5 0.5 3.7Pressure regulator screw M6 5 0.5 3.7Float chamber cover screw M4 2 0.2 1.5Float chamber cover inner plate screw M4 2 0.2 1.5Needle valve assembly screw M4 2 0.2 1.5Vapor separator drain screw — 2 0.2 1.5Part to be tightened Thread size Tightening torquesN·m kgf·m ft·lbSpark plug — 25 2.5 18.4Power unit mounting bolt M8 20 2.0 14.8M10 42 4.2 31.0Upper case cover bolt M6 4 0.4 3.0PTT motor lead bolt M6 4 0.4 3.0Flywheel magnet nut — 270 27.0 199.1Ignition coil bolt M6 7 0.7 5.2Starter relay lead bolt M6 4 0.4 3.0Starter motor bolt M8 29 2.9 21.4Starter motor terminal nut — 9 0.9 6.6Timing belt tensioner bolt — 39 3.9 28.8Cylinder head cover plate screw M4 2 0.2 1.5Drive sprocket bolt M5 7 0.7 5.2Driven sprocket bolt M10 60 6.0 44.3Camshaft cap bolt 1st M7 8 0.8 5.92nd 17 1.7 12.5Cylinder head bolt1st M8 14 1.4 1.32nd 28 2.8 20.71stM1019 1.9 14.02nd 37 3.7 27.33rd 90°Bracket unit technical data / Special tightening torque