Yamaha Mio - Engine Tightening Torques; Tightening Torques

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SPEC
TIGHTENING TORQUES
TIGHTENING TORQUES
ENGINE TIGHTENING TORQUES
Part to be tightened Part name
Thread
size
Q’ty
Tightening torque
Remarks
Nm m · kg ft · lb
Spark plug — M10 1 15 1.5 11
Cylinder head Nut M8 4 22 2.2 16
E
Cylinder head (timing chain side) Bolt M6 2 10 1.0 7.2
Cylinder head stud bolt Bolt M8 2 13 1.3 9.4
Oil gallery bolt Bolt M6 1 7 0.7 5.1
Tappet cover (intake and exhaust
side)
— M45 2 18 1.8 13
Camshaft sprocket cover Bolt M6 2 12 1.2 8.7
Camshaft retainer Bolt M6 1 12 1.2 8.7
Camshaft sprocket cover breather
plate
Bolt M6 2 10 1.0 7.2
Camshaft sprocket Bolt M8 1 30 3.0 22
Valve adjusting locknut Nut M5 2 7 0.7 5.1
Timing chain guide (intake side) Bolt M6 1 7 0.7 5.1
Timing chain tensioner Bolt M6 2 9 0.9 6.5
Engine cooling fan cover Screw M6 2 7 0.7 5.1
Engine cooling fan Bolt M6 3 8 0.8 5.8
A.C. magneto rotor Nut M12 1 70 7.0 50
Oil pump cover Bolt M6 3 10 1.0 7.2
Oil pump assembly Screw M5 2 4 0.4 2.9
Engine oil drain plug Plug M30 1 20 2.0 14
Engine oil drain bolt Bolt M12 1 20 2.0 14
Transmission oil drain bolt Bolt M8 1 22 2.2 16
Muffler and cylinder head Nut M8 2 20 2.0 14
Muffler and muffler stay (lower bolt) Bolt M8 1 35 3.5 25
Muffler and muffler stay (upper bolt) Bolt M10 1 50 5.0 36
Muffler stay and right crankcase Bolt M8 2 37 3.7 27
Muffler protector Screw M6 2 8 0.8 5.8
LT
Intake manifold Bolt M6 2 10 1.0 7.2
Air filter case Bolt M6 3 7 0.7 5.1
Kickstarter crank Bolt M6 1 12 1.2 8.7
V-belt case cover protector 1 Screw M6 2 7 0.7 5.1
V-belt case cover protector 1 Bolt M6 1 10 1.0 7.2
V-belt case air duct Bolt M6 1 10 1.0 7.2
V-belt case cover Bolt M6 13 10 1.0 7.2
V-belt case cover protector 2 Bolt M6 4 10 1.0 7.2
Kickstarter shaft plate Screw M6 6 9 0.9 6.5
Secondary sheave nut Nut M10 1 40 4.0 29
Clutch carrier nut Nut M27 1 55 5.5 40
Transmission case cover Bolt M6 6 13 1.3 9.4
Bearing retainer (primary drive gear) Bolt M6 1 10 1.0 7.2
LT