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too much oil added in cylinder? #4588289
11/29/17 12:06 AM
11/29/17 12:06 AM
Joined: Nov 2017
Posts: 1
Massachusetts
Frankws6 Offline OP
Frankws6  Offline OP
Joined: Nov 2017
Posts: 1
Massachusetts
I was servicing my generator for long term storage. The instruction booklet recommended adding a tablespoon of oil into the cylinder through the spark plug hole and rotating the engine to lubricate the cylinder and prevent corrosion. I accidentally tipped the oil can a bit too much and probably a good 3 tablespoons dripped in. I rotated the engine and reinstalled the spark plug. Could I damage the engine next time I start it? I'm nervous about hydrolocking (oil locking in this case) the engine, fouling up the spark plug, or causing valve damage. My guess is that I'm overreacting and what excess oil there is will just seep past the cylinder rings through the months. Should I suck up any oil from the cylinder?

Re: too much oil added in cylinder? [Re: Frankws6] #4588298
11/29/17 12:24 AM
11/29/17 12:24 AM
Joined: Jul 2009
Posts: 432
Seattle
Superflop Offline
Superflop  Offline
Joined: Jul 2009
Posts: 432
Seattle
Give the cord a good couple yanks with the plug out.. reinstall and call it a day.


2002 saab 9-5 2.3t wagon
2014 dodge grand caravan
Re: too much oil added in cylinder? [Re: Superflop] #4588308
11/29/17 01:11 AM
11/29/17 01:11 AM
Joined: Oct 2017
Posts: 181
MI
HorseThief Offline
HorseThief  Offline
Joined: Oct 2017
Posts: 181
MI
Originally Posted By: Superflop
Give the cord a good couple yanks with the plug out.. reinstall and call it a day.


Look down the cylinder while you're doing it to make sure it all comes out whistle

Seriously though, put a towel over it unless you want oil mist everywhere.


I saw a brown dog
Re: too much oil added in cylinder? [Re: Superflop] #4588349
11/29/17 04:29 AM
11/29/17 04:29 AM
Joined: Oct 2012
Posts: 4,825
Taiwan
Ducked Offline
Ducked  Offline
Joined: Oct 2012
Posts: 4,825
Taiwan
Originally Posted By: Superflop
Give the cord a good couple yanks with the plug out.. reinstall and call it a day.
not now though, that'd be pointless. put a note on it for the it comes out of storage

Re: too much oil added in cylinder? [Re: Frankws6] #4588392
11/29/17 06:06 AM
11/29/17 06:06 AM
Joined: Aug 2008
Posts: 21,312
ON, Canada eh?
StevieC Offline
StevieC  Offline
Joined: Aug 2008
Posts: 21,312
ON, Canada eh?
I would imagine that most of it will have seeped back down past the rings during long-term storage. I wouldn't worry at all. If you are concerned pull the cord a few times with the plug removed first.


'18 Dodge Grand Caravan GT - AMSOIL SS 5w20
'06 Santa Fe - 535,000km AMSOIL SS 0w30 / ATF
Re: too much oil added in cylinder? [Re: Frankws6] #4588468
11/29/17 07:45 AM
11/29/17 07:45 AM
Joined: Apr 2016
Posts: 1,198
Campbellsville, KY
Alex_V Offline
Alex_V  Offline
Joined: Apr 2016
Posts: 1,198
Campbellsville, KY
The pull cord will break long before you do any damage to the engine internals from hydro-lock. Remove the spark plug and blow some out, otherwise it'll probably drain over the storage period.


To quote a friend, "Synthetics, man."

'85 GMC C3500, 454, 132K
'82 Mercedes 300CD, OM617 turbo, 173K (totaled 2018, in rehab)
'85 Mercedes 300TD, OM617 turbo, 217K (wife's)
'67 Suburban, 350, 331K
Re: too much oil added in cylinder? [Re: Frankws6] #4588583
11/29/17 09:54 AM
11/29/17 09:54 AM
Joined: Dec 2016
Posts: 7,174
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,174
Waco, TX
Originally Posted By: Frankws6
My guess is that I'm overreacting and what excess oil there is will just seep past the cylinder rings through the months.


You have guessed correctly.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: too much oil added in cylinder? [Re: Linctex] #4590565
12/01/17 04:49 AM
12/01/17 04:49 AM
Joined: Jan 2016
Posts: 717
Nebraska
Duffyjr Offline
Duffyjr  Offline
Joined: Jan 2016
Posts: 717
Nebraska
I'm asking this in relation to my 23 year old 5hp Tecumseh on my MTD blower and not a newer OHV. Is it possible for the oil to find its way to the carb back thru the valves if you pulled the cord to many times?


89 GMC Sierra VWB 5w30/TG3980
08 Lucerne CX Magnatec 5w30/TG3387A
02 DeVille VWB 5w30/CQ Blue
18 Toro Super Recycler T5 10w30
Re: too much oil added in cylinder? [Re: Duffyjr] #4591084
12/01/17 02:28 PM
12/01/17 02:28 PM
Joined: Aug 2016
Posts: 42
Minnesota
Lenny5160 Offline
Lenny5160  Offline
Joined: Aug 2016
Posts: 42
Minnesota
Originally Posted By: Duffyjr
I'm asking this in relation to my 23 year old 5hp Tecumseh on my MTD blower and not a newer OHV. Is it possible for the oil to find its way to the carb back thru the valves if you pulled the cord to many times?


I don't see how the air (or anything else in the cylinder) would be made to flow back toward the carb.

Reversion can and does happen, but I can't see it at 'manual pulling' speed.


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