Yamaha R15 2022, Service Manual

Page: 68 / 497

2-11
TIGHTENING TORQUES
SPEC
EAS30016
ENGINE TIGHTENING TORQUES
Item
Thread
size
Q’ty Tightening torque Remarks
Cylinder head bolt (Inside) (Initial
torque)
M8 4
12 N·m (1.2 kgf·m, 8.9 lb·ft)
Cylinder head bolt (Inside) (Final
torque)
24 N·m (2.4 kgf·m, 18 lb·ft)
Cylinder head bolt (Chain side) M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Spark plug M10 1 13 N·m (1.3 kgf·m, 9.6 lb·ft)
Cylinder head cover bolt M6 4 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Oil check bolt M6 1 7 N·m (0.7 kgf·m, 5.2 lb·ft) With gasket
Exhaust pipe stud bolt M8 2 15 N·m (1.5 kgf·m, 11 lb·ft)
Coolant drain bolt M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Balancer driven gear nut M10 1 35 N·m (3.5 kgf·m, 26 lb·ft)
Valve adjusting screw locknut M5 4 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Camshaft sprocket bolt M8 1 30 N·m (3.0 kgf·m, 22 lb·ft)
Camshaft retainer bolt M6 1 8 N·m (0.8 kgf·m, 5.9 lb·ft)
Camshaft retainer bolt M5 2 8 N·m (0.8 kgf·m, 5.9 lb·ft)
Timing chain guide (intake side) bolt M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Timing chain tensioner bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Apply
Yamaha bond
No.1215-B,
1215 to screw
thread
Radiator bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Radiator fan bolt M6 2 8 N·m (0.8 kgf·m, 5.9 lb·ft)
Coolant reservoir bolt M6 2 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Water pump assembly bolt M6 3 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Radiator hose clamp screw - 2 1.8 N·m (0.18 kgf·m, 1.3 lb·ft)
Water pump housing cover bolt M6 4 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Thermostat assembly bolt M6 2 9 N·m (0.9 kgf·m, 6.6 lb·ft)
Oil pump assembly screw M5 2 4 N·m (0.4 kgf·m, 3.0 lb·ft)
Engine oil drain plug M35 1 32 N·m (3.2 kgf·m, 24 lb·ft)
Oil filter element cover bolt M6 3 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Cover, pump gear bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Intake manifold bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Fuel injector bolt M6 1 12 N·m (1.2 kgf·m, 8.9 lb·ft)
Throttle body mounting bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Air filter case joint clamp bolt M4 1 2 N·m (0.2 kgf·m, 1.5 lb·ft)
Air filter case bolt M6 2 3.8 N·m (0.38 kgf·m, 2.8 lb·ft)
Exhaust pipe nut M8 2 15 N·m (1.5 kgf·m, 11 lb·ft)
M
M
LT
LT
BCWF8197E0.book Page 11 Thursday, November 18, 2021 9:18 AM