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 45 black death 
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New Member

Joined: Sat Apr 07, 2018 6:49 am
Posts: 2
Post 45 black death
I am looking into buying one with 300 hours. Should I have any concerns with this motor?


Thu Apr 12, 2018 7:15 am
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MMT Super Elite Member

Joined: Fri Dec 18, 2009 8:10 pm
Posts: 16915
Location: Rowlett, TX
Post Re: 45 black death
Yes.


Thu Apr 12, 2018 10:36 am
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MMT Addict

Joined: Sun Aug 09, 2009 12:50 pm
Posts: 574
Location: Muscatine, Iowa
Post Re: 45 black death
I would see how it was maintained, and by who. Then do a leak down test on it, look at belt, check grease in drive, and bearings, condition of prop. See if crank case gasket has been replaced and if there is any missing bolts. Look close at block for hair line cracks. See if trim unit has been replaced. If everything checks out OK take it for a test run.


Thu Apr 12, 2018 11:24 am
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Location: Avoyelles Parish
Post Re: 45 black death

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Thu Apr 12, 2018 11:52 am
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Joined: Wed Jan 14, 2009 7:23 am
Posts: 6233
Location: Tarkington, TX
Post Re: 45 black death
I will put money on the intake valves leaking, The intake valve severely overhanging the valve seat, and the port work to be minimal.
Iron mountain heads do have large intake valves but they don't do seat work to make that valve match the seat. they sea in the inner side of the valve 45* so the remainder just overhangs actually shrouding or impeding the flow of the incoming charge of fuel and air.

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Thu Apr 12, 2018 2:41 pm
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