Yamaha F25 [56/444] Tightening torques

2-11

SPEC

TIGHTENING TORQUES

Clamp bracket - lower (manual tilt) M8 8.0 0.8 5.8

Tilt stop lever M8 8.0 0.8 5.8

Clamp bracket - upper (PTT) 7/8 UNF 23.0 2.3 17.0

Clamp bracket - lower (PTT) M10 37.0 3.7 27.0

Oil pan M6 10.3 0.95 7.6

Engine oil drain bolt — 27.0 2.7 19.9

Mufﬂer M6 9.3 0.95 6.9

Exhaust manifold M6 9.3 0.95 6.9

Exhaust guide M8 21.0 2.1 15.5

Grease nipple — 3.0 0.3 2.2

PTT mount M6 18.0 1.8 13.0

PTT UNIT

Plug screw M10 7.0 0.7 5.2

Tilt cylinder M6 9.0 0.9 6.6

Motor unit M6 7.0 0.7 5.2

Cylinder end screw — 90.0 9.2 66.4

Gear pump M4 4.0 0.4 3.0

Main valve — 7.0 0.7 5.2

Tilt piston M10 61.0 6.1 44.0

Manual control screw — 3.0 0.3 2.2

Up-relief valve — 6.0 0.6 4.3

ELECTRICAL

Oil pressure switch 1/8 NPTF 5.7 0.6 4.2

Starter motor mounting M8 29.5 3.0 21.8

CDI unit M6 7.0 0.7 5.2

Ignition coil M6 7.0 0.7 5.2

Engine stop switch — 4.5 0.5 3.3

Starter switch — 4.5 0.5 3.3

Part to be tightened Thread size

Tightening torque

Nm m • kg ft • lb