Engine Tightening Torques - Yamaha YZ450FP 2023 Owner's Service Manual

EAM30203

ENGINE TIGHTENING TORQUES

TIP
- marked portion shall be checked for torque tightening after break-in or before each race.
Item
Camshaft cap bolt
Spark plug
Oil passage plug (cylinder head)
Cylinder head bolt
Cylinder head bolt
Cylinder head cover bolt
Cylinder head stud bolt (exhaust
pipe)
Stud bolt (cylinder head cover)
Cylinder head cover breather plate
bolt
Oil nozzle (cylinder head)
Cylinder bolt
Balancer driven gear nut
Timing chain guide stopper plate
(exhaust side)
Timing chain tensioner cap bolt
Timing chain tensioner bolt
Coolant drain bolt
Radiator hose clamp screw
Radiator bolt
Radiator pipe joint bolt
Water pump housing cover bolt
Oil pump assembly bolt
Oil pump cover bolt
Oil strainer bolt
Throttle cable cover bolt
Throttle body joint bolt
Throttle body joint clamp screw
Air filter case joint clamp screw
Air filter case bolt
Air filter case bracket bolt
Intake air temperature sensor screw
Thread
Q'ty
size
M6 8 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M10 1 13 N·m (1.3 kgf·m, 9.6 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M10 4
M6 2 12 N·m (1.2 kgf·m, 8.9 lb·ft)
M6 3 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 3 7 N·m (0.7 kgf·m, 5.2 lb·ft)
M6 1 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 3.0 N·m (0.30 kgf·m, 2.2 lb·ft)
M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M14 1 50 N·m (5.0 kgf·m, 37 lb·ft)
M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 1 6 N·m (0.6 kgf·m, 4.4 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 8 1.5 N·m (0.15 kgf·m, 1.1 lb·ft)
M6 4 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M5 2 5 N·m (0.5 kgf·m, 3.7 lb·ft)
M4 1 6 N·m (0.6 kgf·m, 4.4 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M5 1 3.5 N·m (0.35 kgf·m, 2.6 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M5 1 3.0 N·m (0.30 kgf·m, 2.2 lb·ft)
M5 1 3.0 N·m (0.30 kgf·m, 2.2 lb·ft)
M6 3 7 N·m (0.7 kgf·m, 5.2 lb·ft)
M6 4 7 N·m (0.7 kgf·m, 5.2 lb·ft)
M5 1 1.5 N·m (0.15 kgf·m, 1.1 lb·ft)
2-10
TIGHTENING TORQUES
Tightening torques
See TIP.
Remarks
E
LT
M
LT
LT
LT
Use a lock
washer.
LT
LT
LT
LT