Inlet/Exhaust Valve – 19/16mm – YX 50

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.