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SPEC
Tightening torques
Part to be tightened
Part
name
Thread
size
Q’ty
Tightening torque
Remarks
Nm m·kg ft·lb
Cylinder head oil passage
Union bolt
M6 1 7 0.7 5.1
Cylinder head (exhaust pipe)
Stud bolt
M8 2 15 1.5 11
Cylinder head Bolt M10 4 40 4.0 29
Bolt M6 2 10 1.0 7.2
Camshaft sprocket cover baffle
plate
Bolt M6 2 10 1.0 7.2
LT
Camshaft bearing retainer Bolt M6 2 8 0.8 5.8
Spark plug — M12 1 18 1.8 13
Coolant drain bolt (cylinder) Bolt M6 1 10 1.0 7.2
Starter clutch Bolt M10 1 50 5.0 36
Camshaft sprocket Bolt M10 1 60 6.0 43
Timing chain tensioner cap Bolt M11 1 23 2.3 17
Timing chain tensioner Bolt M6 2 11 1.1 8.0
Timing chain guide (intake) Bolt M6 2 10 1.0 7.2
LT
Valve adjusting screw Nut M7 2 20 2.0 14
Radiator Bolt M6 2 7 0.7 5.1
Oil pump assembly Screw M6 3 8 0.8 5.8
Oil pump Screw M6 1 7 0.7 5.1
Oil strainer cover Plug M35 1 32 3.2 23
Oil drain bolt Bolt M14 1 23 2.3 17
Oil pump drive gear Nut M14 1 50 5.0 36
Oil delivery pipe
Union bolt
M8 2 18 1.8 13
Oil filter bolt
Union bolt
M20 1 63 6.3 45
E
Oil filter cartridge — M20 1 17 1.7 12
Intake manifold Bolt M8 2 20 2.0 14
Muffler and exhaust pipe Bolt M8 2 15 1.5 11
Exhaust pipe Nut M8 2 20 2.0 14
Muffler Bolt M10 2 25 2.5 18
Exhaust pipe bracket Bolt M6 2 14 1.4 10
Crankcase cover Screw M6 4 8 0.8 5.8
LT
Oil seal retainer Screw M5 3 7 0.7 5.1
Drive belt case cover Bolt M6 12 10 1.0 7.2
Crankcase oil passage plug Plug M18 1 55 5.5 40
Bearing retainer (right crankcase) Screw M6 1 11 1.1 8.0
LT
Plug (right crankcase) Bolt M8 1 15 1.5 11
Bearing retainer (left crankcase) Bolt M6 2 10 1.0 7.2
LT
Crankcase cover (left) Bolt M6 12 10 1.0 7.2
Recoil starter
Bolt M6 4 10 1.0 7.2
LT
Starter one-way clutch Bolt M8 6 30 3.0 22
LT
Clutch carrier assembly Nut M22 1 140 14 100 Stake
Middle drive shaft bearing retainer Torx
screw
M8 4 25 2.5 18
LT
MAINTENANCE SPECIFICATIONS