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Author Topic: Holt H75 electronic ignition repair  (Read 7539 times)

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Re: Holt H75 electronic ignition repair
« Reply #15 on: April 30, 2023, 04:48:26 pm »
Black and shiny is odd I really doubt it would be the oil additive though because of the engine was overheated the O. rings should let go long before any serious temperature is reached