Description
Genuine YX engines part.
Will fit – YX50 engine
Typically fits engine codes – 139FMI, 1P39FMA
Included with the kit
Pair of inlet/exhaust valves
Inlet valve
Valve diameter – 19mm
Valve length – 69mm
Stem diameter – 5mm
Exhaust valve
Valve diameter – 16.4mm
Valve length – 68mm
Stem diameter – 5mm
Please check the dimensions against your engine before ordering.
Note; Valve seats may require cutting and guides honing upon installation.
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