Engine Tightening Torques - Yamaha XV1600A1999 Service Manual

ENGINE TIGHTENING TORQUES

Item Item
Spark plug
Cylinder head
Cylinder head
Cylinder head (exhaust pipe)
Camshaft driven gear
Camshaft driven gear
Connecting rod
Rocker arm adjusting screw
Front cylinder camshaft end
cover
Engine oil drain bolt (crankcase)
Engine oil drain bolt (oil tank)
Oil filter cartridge
Oil filter bolt
Oil filter bracket
Oil delivery pipe (generator
cover-to-crankcase)
Joint bolt
Oil delivery pipe (cylinder
headto-crankcase)
Oil delivery pipe (cylinder
headto-crankcase)
Carburetor joint
Carburetor joint clamp
Air filter case
Air filter case clamp
Exhaust pipe
Muffler
Muffler clamp
Crankcase (cylinder head)
Crankcase (cylinder head)
Crankcase (transfer gear case)
Pickup coil
Pickup coil lead holder
Stator coil assembly
Stator coil assembly
Starter clutch
TIGHTENING TORQUES
Fastener Fastener Thread size Thread size
– M12
Nut M12
Nut M10
Stud bolt M8
Nut M14
Bolt M10
Bolt M8
Nut M7
Bolt M5
– M14
– M14
– MJ20
– M20
Bolt M6
Nut M20
– M16
Union M10
bolt
Union M8
bolt
Bolt M6
Screw M4
Bolt M6
Screw M4
Nut M6
Bolt M10
Bolt M10
Stub bolt M12
Stub bolt M10
Stub bolt M8
Screw M6
Screw M6
Screw M6
Screw M6
Bolt M8
2-19
SPEC
Tightening torque
Q'ty Q ty
Nm mSkg
4 18 1.8
8 50 5.0
4 39 3.9
4 15 1.5
1 52 5.2
1 30 3.0
4 38.5 38.5
4 20 2.0
2 10 1.0
1 43 4.3
1 43 4.3
1 17 1.7
1 70 7.0
4 10 1.0
1 40 4.0
1 40 4.0
2 21 2.1
1 18 1.8
4 12 1.2
1 3 0.3
3 7 0.7
1 3 0.3
4 20 2.0
2 25 2.5
2 30 3.0
8 – –
4 – –
1 13 1.3
2 7 0.7
7 7 0.7
3 7 0.7
1 7 0.7
6 24 2.4
Remarks Remarks
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1
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