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190cc equals how much horse power?
6 HP
Depending on model and manufacturer, about 6.5 horsepower.
0.020
SAE 30 weight full synthetic.
There should be a sticker/stamp an the engine somewhere. It will give you a few specifications about the mower.
Yo mama fool...
A 5hp craftsman engine has a compresson of 135psi
5-6 horse power
If you want a push mower with good power find and older one with a 3.5 or 4hp Briggs and Stratton. Or an old Lawn0Boy 2-cycle
You should always have 20 fluid ounces of oil in a Briggs and Stratton 5.5 HP lawn mower. This equals out to roughly 1.6 quarts.
Not sure how to answer your question with the right answer. However, lawn mower spark plugs come in three sizes: 5/8, 3/4 and 13/16.