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YMS needle valve assembly, type 1

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Needle valve for YMS-FORA, FORA, MM, ZALP, Buran, AKM and all other engines using 4mm housing for the valve. The valve is loose fit. For the installation you have to add a bead of Loctite 609 or another similar retaining compaund to secure the NVA in its housing.

For the de-installation you have to pre-heat the case to 120-150C and push, or slightly hummer out the valve with YMS removing tool.

The valve has very small pitch thread that provides engine's fine RPM needling. The needle is made of corrosion resistant steel used at surgical instruments.

  • 80 Units in Stock
  • Manufactured by: YM Systems

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