it is on the rear of the engine below the engine. There is a rubber hose coming out of the motor and the drain plug is inside the rubber hose.
whereiscrank case oil drain plug on 1998 mercury 9.9 4 stroke
Anonymously
You should really get the Helms manual so that you can properly maintain your motor. They're available at http://www.helmsinc.com/ and are well worth the $$$
The oil drain plug for a 25hp 4-stroke Mercury outboard is typically located on the lower unit of the engine, near the bottom. It can usually be identified as a hexagonal or slotted plug. To change the oil, ensure the engine is cool, remove the plug, and allow the old oil to drain completely before replacing it. Always refer to the owner's manual for specific details and maintenance guidelines for your model.
The location of the engine oil drain plug varies depending on the brand of engine. On most outboards, of the 90 hp class however, it is located on the starboard side, about midway up the exhaust housing.
The oil drain plug on a Yamaha 115 hp outboard is typically located on the lower unit of the engine, near the base of the powerhead. It's often a hexagonal or square-shaped plug that can be found on the side or bottom of the engine casing. For precise location, it's best to consult the owner's manual for your specific model, as placement may vary slightly between years and configurations. Always ensure the engine is off and cool before attempting to change the oil.
By simply storing your outboard in a vertical position, powerhead up, the cooling water will drain out of the engine via the gearcase.
Yea yes it can
There is a great new product on the market. Go to SeeWellInnovations.com and check out the Tilt N Drain Oil Drain Kit. Virtually no mess. There is a video, not the best quality, but shows how. Contact the company to purchase. It will make changing your life easier.
Drain it out and replace with proper oil
no drainplug on the engine. fan-cooled 2-stroke. it has no dedicated oil sump. to drain the chaincase oil just remove the cover, wipe out all the oil, re-install chaincase cover and fill with new oil.
Step 1 Drain it Step 2 fill with 2 stroke oil