Omc Cobra Water Flow Diagram

Fresh seawater is normally drawn by a belt driven pump from a thru hull fitting in hull of boat on inboards or by water pump in stern drive through the lower unit water passages on an inboardoutboard and then exits the boat through the exhaust. This makes it very convenient to order parts from a dealer.

Omc Exhaust Manifolds And Risers Problems

The third item may surprise you.

Omc cobra water flow diagram. Omc cobra sterndrive tech info. Evinrudejohnson outboard lower units. 985429 18 7855 carburetor fuel filter replaces.

Hi all trying to diagnose my 1993 omc cobra 43l water flow troubles. Water flow in stern drive of an omc 1987 43l gm v6 432apary june 13th 2016 0741 pm the cooling system on this boat is a raw water system and the boat has been run on an inland lake that has zebra mussels. The motor starts and runs well but no water flows thru the engine.

984360 986779 18 3583 water circulating pump replaces. How to video repair help for omc sterndrives. Omc water pump impeller diagrams impeller water pump replacement parts and repair manuals.

Click to enlarge figure 2 shows the typical enclosed cooling system. Need replacement in the lower unit. The water pump on a omc cobra.

Omc parts mercruiser outdrive online catalogs. I took this video to show the water flow from the lower unit to the water pump impeller housing without the engine running. I removed the thermostat to rule out whether this could be the trouble.

Its a booklet of exploded parts diagrams for an entire sterndrive with part numbers. This is an omc cobra outdrive. A quick online search for omc cobra parts supplied a diagram of omc cobra upper gearcase parts drawing 1986 thru 1992 omc cobra and 1988 omc king cobra upper gearcase parts apparently showing the vent hose as diagram part 47 omc oem 912614 glm replacement part 47010 at 1209.

Outdrive will not pump water to the enginethe marina replaced the outdrive pump and i repaced it alsostill no water coming out of the raw water hose at the transom. You can order by part number avoiding the usual colorful thingy that connects the whatsit to the thingamgig. Omc water pump diagram omc water pump replacement omc impeller replacement omc impeller repair kits omc water pump installation omc water pump kit omc water pump impeller omc water pump housing omc water pump test omc outboard water pump repair omc impeller kit.

400800stringer and cobra exploded view drawings. Omc sterndriveomc cobra fuelcooling systems water circulating pumps see page 167 168 for additional information all sierra water pumps are bi directional 18 3575 water circulating pump replaces. 983870 910139 rochester 17068453 snapper.

With a garden hose the water gushes out with the boat in the waterit wont suck up waterdo seals or.

1987 Omc Cobra Over Heating 350 Chevy The Hull Truth Boating