Engine Tightening Torques - Yamaha R15 2022 Service Manual

EAS30016

ENGINE TIGHTENING TORQUES

Item
Cylinder head bolt (Inside) (Initial
torque)
Cylinder head bolt (Inside) (Final
torque)
Cylinder head bolt (Chain side)
Spark plug
Cylinder head cover bolt
Oil check bolt
Exhaust pipe stud bolt
Coolant drain bolt
Balancer driven gear nut
Valve adjusting screw locknut
Camshaft sprocket bolt
Camshaft retainer bolt
Camshaft retainer bolt
Timing chain guide (intake side) bolt
Timing chain tensioner bolt
Radiator bolt
Radiator fan bolt
Coolant reservoir bolt
Water pump assembly bolt
Radiator hose clamp screw
Water pump housing cover bolt
Thermostat assembly bolt
Oil pump assembly screw
Engine oil drain plug
Oil filter element cover bolt
Cover, pump gear bolt
Intake manifold bolt
Fuel injector bolt
Throttle body mounting bolt
Air filter case joint clamp bolt
Air filter case bolt
Exhaust pipe nut
TIGHTENING TORQUES
Thread
Q'ty
size
12 N·m (1.2 kgf·m, 8.9 lb·ft)
M8 4
24 N·m (2.4 kgf·m, 18 lb·ft)
M6 2 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 4 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 1 7 N·m (0.7 kgf·m, 5.2 lb·ft)
M8 2 15 N·m (1.5 kgf·m, 11 lb·ft)
M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M10 1 35 N·m (3.5 kgf·m, 26 lb·ft)
M5 4 7 N·m (0.7 kgf·m, 5.2 lb·ft)
M8 1 30 N·m (3.0 kgf·m, 22 lb·ft)
M6 1 8 N·m (0.8 kgf·m, 5.9 lb·ft)
M5 2 8 N·m (0.8 kgf·m, 5.9 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 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 2 8 N·m (0.8 kgf·m, 5.9 lb·ft)
M6 2 7 N·m (0.7 kgf·m, 5.2 lb·ft)
M6 3 10 N·m (1.0 kgf·m, 7.4 lb·ft)
- 2 1.8 N·m (0.18 kgf·m, 1.3 lb·ft)
M6 4 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 2 9 N·m (0.9 kgf·m, 6.6 lb·ft)
M5 2 4 N·m (0.4 kgf·m, 3.0 lb·ft)
M35 1 32 N·m (3.2 kgf·m, 24 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 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M6 1 12 N·m (1.2 kgf·m, 8.9 lb·ft)
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
M4 1 2 N·m (0.2 kgf·m, 1.5 lb·ft)
M6 2 3.8 N·m (0.38 kgf·m, 2.8 lb·ft)
M8 2 15 N·m (1.5 kgf·m, 11 lb·ft)
2-11
SPEC
Tightening torque Remarks
M
M
With gasket
Apply
Yamaha bond
No.1215-B,
1215 to screw
thread
LT
LT