Chapter 4 Service Data; Tightening Torque; Other, General Tightening Torques; Lubricants, Areas To Apply Sealant And Specified Types - Yamaha X0S Series Service Manual

E-bike systems
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Lubricants, areas to apply sealant and specified types

Tightening Torque

Tightening locations
Drive sprocket lock nut
Stator cover installation
Motor assembly and bearing housing
Circuit board installation
Holder installation
Display holder
ISIS adapter installation

Other, general tightening torques

The tightening torques of bolts and nuts other than those with tightening force for specified locations is
determined by the screw diameter (width between two surfaces) and the pitch.
Width between surfaces
Pitch
Lubricants, areas to apply sealant and specified types
Where to apply
All oil seal lips
Pawl kicks
Drive axle O-rings
Interior of torque sensor bushing
Spline of torque sensor
Interiors of the drive axle assembly
and the one-way inner/outer bosses
All driven gear surfaces
Motor assembly's surface which con-
tact to the gromet of power lead wire.
Mating surfaces between motor as-
sembly and bearing housing
Tightening Torque/
Service Data
Screw
diameter
M27
Screw diameter (width
between two surfaces)
Screw diameter
M4 (7 mm)
M5 (8 mm)
M6 (10 mm)
M8 (12 mm)
Lithium grease made from synthetic hydrocarbon oil and
synthetic ester oil (MULTEMP AC-N
Lithium grease made from synthetic hydrocarbon oil and
synthetic ester oil (MULTEMP AC-N
Lithium-soap-based grease
Lithium grease made from synthetic hydrocarbon oil and
synthetic ester oil (MULTEMP AC-N
Lithium grease made from synthetic hydrocarbon oil and
synthetic ester oil (MULTEMP AC-N
Lithium grease made from synthetic hydrocarbon oil and
synthetic ester oil (MULTEMP AC-N
Lithium grease made from synthetic hydrocarbon oil and
synthetic ester oil (MULTEMP AC-N
Lithium-soap-based grease
Three Bond 1215B
4-1
Tightening
Q'ty
torque
40 (4.0)
1
M5
3
4.5 (0.45)
M5
6
4.5 (0.45)
M3
5
1.3 (0.13)
M3
2
0.75 (0.075)
M3
2
0.3 (0.03)
M8
2
25.5 (2.55)
×
pitch
×
P0.7
×
P0.8
×
P1.0
×
P1.25
Types of oils, grease, and sealants
Service
Data
Unit: Nm kgf·m (in)
Notes
Left hand screw
Self-tapping screw
Self-tapping screw
Torx T30
Tightening torque
1.5 to 2.5 Nm
(0.15 to 0.25 kgf·m)
3 to 4.5 Nm
(0.3 to 0.45 kgf·m)
5 to 8 Nm
(0.5 to 0.8 kgf·m)
12 to 19 Nm
(1.2 to 1.9 kgf·m)
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