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Author Topic: Eachine Chinese M90 Reduced Governor Springs - Slower running and reduced hits  (Read 1165 times)

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Re: Eachine Chinese M90 Reduced Governor Springs - Slower running and reduced hits
« on: January 18, 2021, 01:29:02 am »
Nice job Jim !!  Very realistic h & m timing...What spring mods are you using & how did you drill thru the hardened cylinder sleeve to enable the functional piston oiler?.....tom.
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