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KEEWAY ATV250 - Cylinder Head Assembly; Torque Value

KEEWAY ATV250
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24
C y l i n d e r h e a d a s s e m b l y
Disassembly :
Timing tensioner(A-15)/Chain wheel cover(B-7)/
Valve cap(B-10、11)
Snap to the“T”mark of the magneto
(in the cylinder head comp, at the TDC of the
compress jotubey)
Breather hose(B-23)/Circlip(B-24)
Chain wheel cover(B-11)/Timing driven chain
wheel(B-7)
Plate of the camshaft(A-4)/Camshaft COMP(A-1)
Cylinder head comp(B-1)
Valve rocker bearing (C-10、11)/valve rocker
(C-9、15)
Clip of valve(C-6)/Spring seat of valve(C-7)/
Spring of intake and outtake valve (C-4、5)
(tied tools T04)
Intake and outtake valve(C-1、2)
Valve seal comp(C-6)
*valve pipe(B-2)
Cylinder head
*Disassemble the valve pipe when it is essential
Assembly
AssemblyAssembly
Assembly:
::
:
Cylinder head
Valve pipe(B-2)
Valve seal comp(C-6)
Intake and outtake valve(C-1、2)
Clip of valve(C-6)/Spring seat of valve(C-7)/
Spring of intake and outtake valve (C-4、5)
(tied tools T04)
Adjust cover of valve clearance(B-10、11)/
Valve rocker bearing(C-10、11)valve rocker(C-9、15)
Cylinder head(B-1)
Plate of the camshaft(A-4)/ Camshaft COMP(A-1)
Chain wheel cover(B-11)/ Timing driven chain
wheel(B-7)
Breather hose(B-23)/ Circlip(B-24)
Snap to the“T”mark of the magneto
(in the cylinder head comp, at the TDC of the
compress jotubey)
Timing tensioner(A-15)/Chain wheel cover(B-7)/
Valve cap(B-10、11)
Adjust the interval of valve
(
The interval of intake valve is 0.03~0.05mm, the interval of
outtake valve is 0.05~0.06m)
Torque value
Torque valueTorque value
Torque value:
::
:
1.Fixed bolt of cylinder cover 10~12 N·m
2.The tensioner bolt and fixed bolt 10~12 N·m
3.Lock nut of wheel fixer 22~25 N·m
4.Trachea 10~12 N·m

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