SAE 10w30 Full Synthetic.
Is it an OHV engine? If so they would be loctaed above the piston head on your mower.
ANSWER:?SAE30 oil above 40 degrees F (4 C) and below this temperature use 5W-30
Watch this video on YouTube. It will tell you how step by step. http://www.youtube.com/watch?v=NjzX-PUjKmo
It is around a 5 hp. *this is incorrect: the ones they sell currently would be more in the 7.5-8hp range, seeing as an equally featured 190cc briggs and stratton engine is 6.75hp on a lawn mower the additional 15cc bump it up to around 8hp.
how to Change oil on a Briggs and Stratton 6.75 HP
Good question! I don't find any oil filter or mount for one on my Briggs 15 horse OHV
.30
Internal
0.004 - 0.006"
48 oz
Champion RC12YC
The 14.5 hp ohv Briggs & Stratten engines require a 0.30 in gap