Re: How much oil does a Johnson take?
That's why they put dipsticks on four stroke engines. Drain the oil, change the filter, add a couple quarts and check the dipstick. Add more (a little at a time) until it shows full. Start the engine (on muffs) and then shut down and recheck. The oil filter will have to filled so you will have to add an amount equal to the capacity of the oil filter. The dipstick is your friend here.