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Old 10-24-2009, 01:04 AM   #1
lobsterbox
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Default how to check oil properly on 11hp B&S motor

hi i have an 11 horsepower Briggs&Stratton flathead motor with a dipstick for checking the oil. I believe i have overfilled the oil in this motor, but it doesn't seem to smoke or knock during normal operation and i am not sure how to properly check the oil on one of those motors. are you supposed to thread the dipstick all the way in? or just hold the cap on the end of the tube for a few seconds and then look. if you are supposed to thread it all the way in, then i believe i have overfilled it alot, and oil is leaking out around the dipstick seal. the engine is on an older mower which I purchased this season and changed the oil when I got it, only mowed with it twice and cut about an acre of yard in total. It preformed very well and only smoked when it was very warm and had just come of of mowing.

so these are my questions: **READ ABOVE FIRST**

how do you check the oil on a flathead Briggs&Stratton motor with a dipstick?
are there any negative consequences with overfilling the oil?
under light use have i done any irreparable damage to the engine?

if i know how to check the oil properly, I can fix things up, so please respond to this post and give me some help!!


thanks, lobsterbox
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Old 10-24-2009, 01:57 AM   #2
Fcubman
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Default Re: how to check oil properly on 11hp B&S motor

In my opinion, the slight difference in oil level (between screwing the cap in or not) doesn't matter. For the record, my two B&S engines (one Vanguard, one 8 HP flathead) want the cap screwed in for checking the oil level. I usually don't screw the cap in, and allow for the slight difference when I read the stick.
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Old 10-24-2009, 08:44 AM   #3
Walt 2002
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Default Re: how to check oil properly on 11hp B&S motor

" are you supposed to thread the dipstick all the way in?"

As far as I know, ALL B&S engines stipulate screwing the dipstick in.

"and oil is leaking out around the dipstick seal. "

This is an indication that the rubber seal is "dead" and needs to be replaced, has nothing to do with oil level.

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Old 10-26-2009, 08:08 PM   #4
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Default Re: how to check oil properly on 11hp B&S motor

The general rule is screw in dipstick unless there is a sticker on the side of engine near the dipstick that says differently.
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