Yamaha 2004 YP400, Service Manual, Page: 49 / 417

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SPEC
TIGHTENING TORQUES
Exhaust pipe Nut M8 2 20 2.0 14
Air induction system pipe Bolt M6 2 12 1.2 8.7
Air induction system pipe stay Bolt M6 1 7 0.7 5.1
Air cut-off valve Bolt M6 2 10 1.0 7.2
Muffler mount Bolt M10 3 53 5.3 38
V-belt case air duct 1 and 2 Bolt M6 4 7 0.7 5.1
Crankcase Bolt M6 7 10 1.0 7.2
Crankcase Bolt M8 5 16 1.6 11
Crankcase Bolt M8 1 30 3.0 22
Cylinder head stud bolt — M10 4 13 1.3 9.4
Transmission oil drain bolt — M8 1 20 2.0 14
Bearing retainer Screw M6 1 10 1.0 7.2
LT
Transmission case cover Bolt M8 7 16 1.6 11
V-belt case Bolt M8 1 22 2.2 16
V-belt case Bolt M6 9 10 1.0 7.2
V-belt case cover Bolt M6 6 7 0.7 5.1
Generator rotor cover inner bracket Bolt M6 2 7 0.7 5.1
LT
Generator rotor cover Bolt M6 11 10 1.0 7.2
Primary sheave Nut M18 1 83 8.3 60
Timing plug — M16 1 8 0.8 5.8
Engine oil drain bolt — M12 1 20 2.0 14
Secondary sheave Nut M14 1 60 6.0 43
Starter clutch Bolt M8 6 30 3.0 22
LT
Clutch shoe assembly Nut M36 1 90 9.0 65
Stator coil Bolt M6 3 10 1.0 7.2
LT
Crankshaft position sensor Bolt M6 2 10 1.0 7.2
LT
Starter motor Bolt M6 2 12 1.2 8.7
Coolant temperature sensor — M12 1 18 1.8 13
Item Fastener
Thread
size
Q’ty
Tightening torque
Remarks
Nm m · kg ft · lb