(DO NOT REMOVE) Cobra permanent water upper case plug solution. Simple solid plastic plug designed to be installed without removing your sterndrive. If you are interested in this offer, you, most likely opened a Pandora Box on the upper part of your Cobra sterndrive. The original, so-called (removable version) is pictured here and priced at

May 30, 2011 · So, not thinking, I removed the drain plug on the side of the stern drive. Based on what I have found, I shouldn't have done that. The good news is I managed to not let the nut fall into the case.

Jun 2, 2024 · The outdrive needed to be filled from the bottom fill plug until the oil reached the dipstick in the top cover of the upper housing. Another difference was that the water pump assembly and impeller were installed in the upper gear case instead of lower unit.

Jun 26, 2024 · It is a 1989 OMC cobra upper gearcase and the hole is on the port side, looks threaded and 1 inch diameter. not normally threaded. someone has threaded it because they made the mistake of removing the plug there and the nut fell down inside the casing.

The plug is in the upper and you can't remove the upper without the lower. here is a diagram of access.

Wholesale Marine stocks a wide variety of OMC sterndrive parts to turn any project into a walk in the park. From replacement engines to oil lube and filters, we’ll have it for a low price and lightning fast shipping!

Sep 25, 2005 · There is an open 1" hole in the port side of the upper case on my 1990 OMC drive. When hooked to water hose water pours out of this hole. Does it need to be pluged? If so what part do I need? Thanks. It's not a "freeze" plug but a cover for a …

Aug 19, 2015 · I bought a new 1987 Bayliner boat and made the mistake of pulling the plug and losing the nut from the upper out drive. I currently have the 3.0 engine...

Ball gear, plug, shims and nut. For a complete list of new parts installed, please see: OMC 800 outdrive rebuild page. Different size engines require different gear ratios in the drive. The manufacturer changes these ratios with different gear sets. …

I removed the middle vent plug on my omc cobra lower end and Tan 40 yrs. experience with complete engine repairs both inboard/outboard and MerCruiser Certified Technician.