Engine Tightening Torques - Yamaha FZ 25 2021 Supplementary Service Manual

ENGINE TIGHTENING TORQUES

Item
Cylinder head bolt (Long)
Cylinder head bolt (Socket head)
Spark plug
Cylinder head cover bolt
Cylinder head stud bolt (Install-
ing Exhaust pipe)
Camshaft plate bolt
Sprocket cover breather plate bolt
Cylinder bolts (Socket head)
Oil check bolt
Balancer gear weight nut
Timing chain guide stopper bolt
Valve adjusting screw locknut
Camshaft sprocket bolt
Camshaft sprocket cover bolt
Timing chain tensioner plug
Timing chain tensioner bolt
Oil pump assembly bolt
Engine oil drain plug
Oil filter element cover bolt
Intake manifold joint
Injector bolt
Throttle body joint clamp bolt
Air filter case bolt
Air filter case cover screw
Exhaust pipe nut
Muffler installing bolt
Muffler installing bolt (right side
bottom)
Muffler installing bolt (left side
bottom)
Muffler end cap bolt
Muffler protector bolt
TIGHTENING TORQUES
Thread
Q'ty
size
Initial: 13 N·m (1.3 kgf·m, 9.6 lb·ft)
M8 4
Final: 27 N·m (2.7 kgf·m, 20 lb·ft)
M8 2 24 N·m (2.4 kgf·m, 18 lb·ft)
M12 1 18 N·m (1.8 kgf·m, 13 lb·ft)
M55 2 18 N·m (1.8 kgf·m, 13 lb·ft)
M8 2 15 N·m (1.5 kgf·m, 11 lb·ft)
M6 2 8 N·m (0.8 kgf·m, 7.4 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 1 7 N·m (0.7 kgf·m, 5.2 lb·ft)
M12 1 55 N·m (5.5 kgf·m, 41 lb·ft)
M6 2 8 N·m (0.8 kgf·m, 5.9 lb·ft)
M6 2 14 N·m (1.4 kgf·m, 10 lb·ft)
M10 1 60 N·m (6.0 kgf·m, 44 lb·ft)
M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 1 8 N·m (0.8 kgf·m, 5.9 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 3 7 N·m (0.7 kgf·m, 5.2 lb·ft)
M12 1 20 N·m (2.0 kgf·m, 15 lb·ft)
M6 3 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 1 5 N·m (0.5 kgf·m, 3.7 lb·ft)
M4 2 2 N·m (0.2 kgf·m, 1.5 lb·ft)
M6 3 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M5 6 4 N·m (0.4 kgf·m, 3.0 lb·ft)
M8 2 15 N·m (1.5 kgf·m, 11 lb·ft)
M8 1 20 N·m (2.0 kgf·m, 15 lb·ft)
M8 1 20 N·m (2.0 kgf·m, 15 lb·ft)
M8 1 20 N·m (2.0 kgf·m, 15 lb·ft)
M6 2 8 N·m (0.8 kgf·m, 5.9 lb·ft)
M6 5 8 N·m (0.8 kgf·m, 5.9 lb·ft)
2-11
Tightening torque
SPEC
Remarks
Apply engine oil
to the bearing
surface
Apply molybdenum
grease to the
thread
M
with gasket
Apply Yamaha
bond No. 1215B
to screw thread
Tighten until
contacting