Pioneer 970 Holiday II

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Pioneer had their own unique primer on their saws, there is no other that is a direct swap for them but the little bubble style primers can be adapted to work just to get a saw running. The original primers have two rubber parts, a diaphragm and a check disk that go to mush from old fuel sitting in them. I have rebuilt many dozens of them for my saws.
 
To get them working you need the OEM diaphragms, they are scarcer than hens teeth, there was at one time a rebuild kit also but they are even scarcer than just a diaphragm. I have never found a way to rebuild them without the proper parts.
 

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