Yamaha LCX125 User Manual

TIGHTENING TORQUES
2-10
SPEC
EAS20013
ENGINE TIGHTENING TORQUES
Item
Thread
size
Q’ty Tightening torque Remarks
Cylinder head nut (initial torque)
M8 4
10 N·m (1.0 kgf·m, 7.4 lb·ft)
Cylinder head nut (final torque) 27 N·m (2.7 kgf·m, 20 lb·ft)
Spark plug M10 1 13 N·m (1.3 kgf·m, 9.6 lb·ft)
Cylinder head bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Cylinder head stud bolt (for muffler) M8 2 15 N·m (1.5 kgf·m, 11 lb·ft)
Oil check bolt M6 1 7 N·m (0.7 kgf·m, 5.2 lb·ft) with gasket
Cylinder head cover bolt M6 4 11 N·m (1.1 kgf·m, 8.1 lb·ft)
Timing chain guide stopper bolt M6 1 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Valve clearance adjusting screw
locknut
M5 2 7 N·m (0.7 kgf·m, 5.2 lb·ft)
Camshaft sprocket bolt M5 2 8 N·m (0.8 kgf·m, 5.9 lb·ft)
Timing chain tensioner assembly
bolt
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Apply
TB1215 to
screw
thread.
Cam shaft retainer bolt M6 1 12 N·m (1.2 kgf·m, 8.9 lb·ft)
Air shroud bolt (right) M6 3 8 N·m (0.8 kgf·m, 5.9 lb·ft)
Air shroud screw (left and right) M6 6 1.3 N·m (0.13 kgf·m, 0.95 lb·ft)
Fan bolt M6 3 8 N·m (0.8 kgf·m, 5.9 lb·ft)
Oil pump assembly screw M5 2 4 N·m (0.4 kgf·m, 3.0 lb·ft)
Oil strainer bolt M30 1 20 N·m (2.0 kgf·m, 15 lb·ft)
Intake manifold joint bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Injector bolt M6 1 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Air filter case assembly bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Throttle body and intake manifold
bolt
M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Air filter case joint clamp screw M4 1 2.5 N·m (0.25 kgf·m, 1.8 lb·ft)
Tighten until
contacting
collar.
Exhaust installing bolt M8 2 31 N·m (3.1 kgf·m, 23 lb·ft)
Exhaust protector bolt M6 2 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Exhaust pipe nut M8 2 15 N·m (1.5 kgf·m, 11 lb·ft)
Left and right crankcase bolt M6 10 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Oil pump cover bolt M6 3 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Transmission case cover bolt M6 7 10 N·m (1.0 kgf·m, 7.4 lb·ft)
Transmission oil drain bolt M8 1 20 N·m (2.0 kgf·m, 15 lb·ft) with gasket
Crankcase stud bolt M8 4 13 N·m (1.3 kgf·m, 9.6 lb·ft)
Tip:Longer
side of
thread
length shall
be screwed
at crancase.
Engine oil drain bolt M12 1 20 N·m (2.0 kgf·m, 15 lb·ft)
M
M
LT
LT
B7JF8197E1.book Page 10 Tuesday, June 29, 2021 2:28 PM

Yamaha LCX125 Specifications

General

Brand	Yamaha
Model	LCX125
Category	Motorcycle
Language	English