Description
Genuine YX engines part.
Will fit – YX125 (big valve head only), Lifan 125 (big valve head only), YX140, Lifan 140, Zongshen 140, YX149, Lifan 150
Typically fits engine codes – 1P53 & 1P56
Does not fit 125 1P53FMI e/start engines, instead use 23/20 valves.
Included with the kit
Pair of inlet/exhaust valves
Inlet valve
Valve diameter – 27mm
Valve length – 66mm
Stem diameter – 5mm
Exhaust valve
Valve diameter – 23mm
Valve length – 65mm
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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