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Old 03-27-2020, 10:53 PM   #6
RKS.PA
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Join Date: Jun 2010
Location: Marana, AZ
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Default Re: Air Cleaner Mystery!!

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Quote:
Originally Posted by 51 MERC-CT View Post
If there is not any way to shut off the flow from the air cleaner to the breather, a carburetor backfire could turn the engine crankcase into a hand grenade..
There is no "check valve" between the air cleaner and the breather. There is a series of fins as a baffle in the breather, but whether they are enough to be a flame arrestor is beyond me.

51 Merc, you did get my attention with the hand grenade observation. Makes me want to throw the thing out, although the rest of the aircleaner with the breather hose blocked is a decent dry type air cleaner.
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