8 hp briggs stratton

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  #1  
Old 11-14-11, 04:57 AM
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Unhappy 8 hp briggs stratton

I have a Briggs Stratton 8HP horizonial small engine that seems to smoke quite a bit after filling it with oil. This engine does not have a dipstick, only a plastic plug you remove and fill atop a tube that connected to the engine. I have been fillin it up to the tube but have noticed it smoking when doing so.

My question is what is the proper level for this motor and it is possible to replace the cap with one that has a dipstick?

engine specs
code 81072712
model 190402
type 18701

Thanks

Bolens 66
 
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  #2  
Old 11-14-11, 09:21 AM
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You're filling it right. If it smokes like that, the engine has worn rings. Use straight sae30 oil if you aren't already. The reason it smokes when the oil is full and not when it's low is because when it's full, oil is getting where it's supposed to and being burned. When it's low, oil isn't even reaching the upper cylinder area to lube it well, so it doesn't burn it either.
 

Last edited by cheese; 11-15-11 at 03:43 PM.
  #3  
Old 11-14-11, 10:05 AM
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This engine should have an oil capacity of 32oz. (1 quart). How much are you adding, from empty, to top it off? I'm unclear if you have dipstick tube or the standard fill port at the base of the engine, incorporated in the base cover plate and wondering if you're well overfilling it with oil.
 
  #4  
Old 11-15-11, 02:39 PM
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Someone mentioned to me to check the oil level in this engine is to put you pinkie in the fill tube and if you get oil on your finger, you should be alright

This engine runs beautifully. Starts first pull. Do thaat still sound I might have a cylinder ring problem?

I have been using 10w30 oil. Will switch to straight 30 wt oil

Bolens66
 
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Old 11-15-11, 03:49 PM
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Switching to sae30 may slow down the oil burning enough that you can tolerate it. If not, you may have to do a ring job.
 
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Old 11-15-11, 06:19 PM
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How much oil are you using to fill up from empty during a change??? Again, I'm not clear on the type of oil fill you are trying to describe. The pinkie thing you mentioned leads me to believe you have the oil fill port integral to the crankcase cover and, if so, forget the pinkie thing. With such, add oil until it just trickles out the fill port. If, on the other hand, you have a raised fill port then you should have a dipstick on that fill plug that may be missing and you could then be overfilling it with oil and overfilling would certainly explain the oil burning/smoking.

 
  #7  
Old 11-15-11, 06:46 PM
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The type code posted doesn't show on the briggs site, recheck the model and type numbers, however numbers close to the ones posted show a dipstick. Have a good one. Geo
 
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Old 11-15-11, 08:44 PM
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Since he described it as a plug going into a tube connected to the engine, I assume it's a fill port at the bottom of the engine but I could be wrong. The ones high up on the crankcase that require a dipstick don't look like a plug screwed into a tube that I recall.
 
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Old 11-16-11, 09:20 AM
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Originally Posted by cheese View Post
Since he described it as a plug going into a tube connected to the engine, I assume it's a fill port at the bottom of the engine but I could be wrong. The ones high up on the crankcase that require a dipstick don't look like a plug screwed into a tube that I recall.
Could be someone replaced the dipstick that is supposed to be there with a plug, if bolens66 will post a type number that the briggs site will like we can find out. Have a good one. Geo
 
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