Tightening Torques; Engine Tightening Torques - Yamaha 5YF2-AE1 Service Manual

EBS01005

TIGHTENING TORQUES

ENGINE TIGHTENING TORQUES

Part to be tightened
Cylinder head (exhaust pipe)
Intake and exhaust tappet cover
Camshaft sprocket cover
Cylinder head
Spark plug
C.D.I. magneto rotor
Valve adjuster
Camshaft sprocket
Timing chain tensioner
Timing chain tension adjuster locknut
Oil pump
Engine oil drain bolt
Intake manifold
Carburetor
Exhaust pipe
Muffler
Spark arrester
Muffler purging bolt
Crankcase
Crankcase (cylinder head)
Main axle bearing retainer
Drive axle/middle drive pinion gear
assembly plate
Clutch cover
C.D.I. magneto cover
Starter clutch
Primary drive gear
Clutch boss
Push plate
Middle driven shaft bearing retainer
Universal joint yoke
Middle driven shaft bearing housing
Shift drum retainer
Shift shaft spring stopper
Shift drum stopper lever
Shift lever
Stator assembly
Starter motor
Neutral switch
TIGHTENING TORQUES
Thread
Part name Q'ty
size
Stud bolt M6
— M45
Screw M6
Nut M6
Bolt M6
— M10
Nut M10
Nut M5
Bolt M8
— M18
Nut M6
Screw M6
Bolt M12
Screw M6
Screw M6
Nut M6
Bolt M8
Screw M6
Bolt M6
Screw M6
Stud bolt M6
Screw M6
Bolt M6
Screw M6
Screw M6
Screw M6
Nut M12
Nut M14
Screw M6
— M42
Nut M12
Bolt M6
Screw M6
Bolt M8
Bolt M6
Bolt M6
Screw M6
Bolt M6
— M10
2 - 15
SPEC
Tightening torque
Nm m · kg ft · lb
2 7 0.7 5.1
2 18 1.8 13
2 7 0.7 5.1
4 12 1.2 8.7
2 10 1.0 7.2
1 13 1.3 9.4
1 40 4.0 29
2 7 0.7 5.1
1 20 2.0 14
1 18 1.8 13
1 7 0.7 5.1
2 7 0.7 5.1
1 20 2.0 14
2 7 0.7 5.1
2 7 0.7 5.1
2 10 1.0 7.2
2 25 2.5 18
2 8 0.8 5.8
1 10 1.0 7.2
9 7 0.7 5.1
4 10 1.0 7.2
2 8 0.8 5.8
3 10 1.0 7.2
3 7 0.7 5.1
9 7 0.7 5.1
3 10 1.0 7.2 Stake
1 50 5.0 36
1 60 6.0 43
4 8 0.8 5.8
1 60 6.0 43
1 90 9.0 65
3 10 1.0 7.2
2 8 0.8 5.8
1 25 2.5 18
1 10 1.0 7.2
1 10 1.0 7.2
2 7 0.7 5.1
2 10 1.0 7.2
1 20 2.0 14
Remarks
LT
LT
Stake
LT
Stake
LT
LT
LT