Eton VECTOR ST 250 - Air Cut-Off Valve Disassembly and Assembly

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5-5 Air Cut-Off Valve
Disassembly
Remove 2 screws.
Remove air cut-off valve cover, spring and valve.
Inspection
Check the valve is in normal.
If the valve is in normal, it will restrict air-flow.
If air-flow is no restricting, replace carburetor
assembly.
Check the vacuum pipe o-ring is in normal.
Assembly
Install in reverse order of removal procedures.
2 screws
O-ring
Spring
Air cut-off valve
Cover