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Author Topic: What's up with this  (Read 1069 times)

Offline datadavid

  • Posts: 1363
Re: What's up with this
« Reply #10 on: Aug 27, 2017, 17:03:09 »
It smokes when cold and running on the choke? Might just be normal condensation. If it smokes when hot and choked it just means its running rich.

Offline Xs7501978

  • Posts: 74
Re: What's up with this
« Reply #11 on: Sep 07, 2017, 11:16:18 »
It always smokes whether cold or hot. The moment I turn it off it stops smoking...


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Offline Sonreir

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  • Posts: 10780
  • Oregon
Re: What's up with this
« Reply #12 on: Sep 07, 2017, 11:24:29 »
Thats leaking intake valve guides. If it shoots plumes of smoke on deceleration/engine brake its piston rings. You need new seals. Has it been standing a long time?

Other way around. Closed throttle on decel causes higher vacuum in the intake and so it sucks in air from the head, past the seals. On acceleration, high pressures in the cylinder usually presses the rings outward and scrapes the oil off of the cylinder walls. When the rings begin to fail, there is less pressure (or bigger gaps) to perform the oil scraping and it seeps up into the combustion chamber.

I would pull the plugs and inspect them.

If it looks like this, then you're definitely burning oil and need to figure it out. It's only a matter of time before an oil leak becomes a bigger problem.

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Offline Xs7501978

  • Posts: 74
Re: What's up with this
« Reply #13 on: Sep 07, 2017, 12:04:35 »
So this is a good sign then?







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