Massimo MSU 300 - Screwing Moment of Important Bolts

35
Touch the in and out coolant pipe by hand (make sure do not burn your hand), if the
temperature is close to the engine’s, and also the temperature of coolant-in pipe is
higher than coolant-out pipe, this means the circulation is ok. If the temperature is
cold there, this means the circulation is not working.
IX、Screwing moment of important bolts
Sequence
number
Item
Quantity
Thread diameter
mm
Torque（Nm）
1
Nuts of cylinder head
4
M8
22
2
Spark plug
1
M12
18
3
Adjusting nuts for
valve clearance
2
M6
14
4
Fixed bolts of camshaft
chain wheel
1
M10
60
5
Bolts of chain adjuster
1
M8
8
6
Fixed nuts of
crankcase combination
9
M6
10
7
Fixed nuts of left cover
of crankcase
11
M6
10
8
Nuts of
magnetoelectric
machine flywheel
1
M16×1
80
9
Fixed nuts of driving
belt wheel
1
M14×1.25
60
10
Fixed nuts of driven
clutch
1
M14×1.25
60
11
Bolts of oil filter
network cover
1
M36
32
FRONT, REAR SUSPENSION AND OTHER PARTS：
DATA
NAME
SPECIFICATION
QNT
MOMENT
REMARK
Screws on engine fix sleeve
M10×60
3
40N·m
Screw on enginesuport
M10×240
1
50N·m
Adjusting nuts for enigne
M12
2
40 N·m
Fix screws for steering unit
M10×30
4
50 N·m
Across rod nuts
4
60 N·m
Nuts on across rod joint
M12
2
70 N·m