Victa Decompressor Repair Kit Installation

Learn How to service, dismantle and rebuild a decompressor on a Victa lawn mower.

Tools/Parts Required 

  • Needle Nose Pliers
  • Decompressor Kit

Step 1.

Start by removing the clips holding the decompressor together(Some decompressors cannot be opened these must be replaced rather then serviced). Be careful not to lose any of the parts that will come loose. Give all the parts a good clean before reassembly (if using a kit of new parts there is obviously no need to clean the pieces you won’t be using).

Step 2

Place the needle in position in the bottom piece of the decompressor – add the foam then the metal plate which sits above it (convex side down). Place the two small rings, followed by the diaphragm over the metal pin – place the small spring over the pin and hold it in place with the small retaining clip.

Step 3

Position the larger spring over the metal needle and then place the top cover in position. Place all the clips on the sides to hold everything in place.

Step 4

Finally place the nozzle into the hole in the top cover. Test everything is functioning correctly by blowing in the nozzle, no air should escape, If you apply suction the decompressor should close.

One Comment

  1. Primo website! I learned how to test and replace a Victa 2-stroke decompressor as well as the ignition coil.
    Thanks guys!

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