Many Yardman Lawnmower models do not have a drain plug. If no drain plug is found the oil has to be removed by the oil fill tube.
There is none you suck the oil out with a pump provided by the dealer.
With the engine off and the plug wire off the spark plug, you will need to remove the drain plug on the bottom of the engine. Drain the oil, install the plug and fill with 30w oil.
A bit of teflon tape can work wonders.
Model 100902. Type 0134. Core 6508181 . Sit down yard-man. Lawnmower
under the mower above the blade should be a allenhead plug
drain it.
Depending on the model of the Craftsman lawnmower, there is either an oil plug underneath the deck of the mower which needs removed to drain the oil or the lawnmower needs tipped on it's side to allow the oil to drain out through the oil cap area. Once oil has drained you will want to refill the oil until the dipstick registers "full".
there should be a square plug on the base of the motor or a tube that connects to the base of the motor with a plug at the end. remove the plug and the oil will drain
If it is a walkbehind, use the dipstick tube tilted downward and an appropriate container. If it is a rider look on the right side of the machine.
You may do serious damage to the lawnmower if the wrong spark plug is installed.
there should be a drain plug under the mower where the blades are. to fill it is on the top where you check the oil. there is a drain plug under the mower where the blade is. to fill it is where you chech your oil. Many mowers do not have a drain plug, simply remove the dipstick and tip the mower on its side and dump it out the filler tube into a proper container.
The oil drain plug for the Craftsman 625 series lawnmower is located on the bottom of the mower, just above the blade. Tip the mower back. The plug is round and threaded with a square head. Using the square head of a ratchet extension, twist the plug counterclockwise and remove. The oil will start draining. Once it has drained, replace the plug and tighten clockwise until snug. Replace with new lawnmower oil or SAE-30 weight oil.