Omc Cobra Water Flow Diagram
Lift the water pump housing off the top of the. Home about.
Change the impeller on your omc cobra regularly generally once a year.
Omc cobra water flow diagram. Water cooling system indmar fresh water cooling system photos of indmar fresh water cooling system omc cobra cooling diagram. Technique to remove broken drive shafts. I expect the flow isnt too much just enuff to show the pump is working.
Sounds like a tell tale to indicate water flow. Johnson evinrude mercury mariner force chrysler yamaha mercruiser omc cobra. Tech support gear assembly photos omc engine over heating water pump impeller or manifold.
This is an omc cobra outdrive. A quick online search for omc cobra parts supplied a diagram of omc cobra upper gearcase parts drawing. I took this video to show the water flow from the lower unit to the water pump impeller housing without the engine running.
How to change omc cobra impellers by carl pruit. 984360 986779 18 3583 water circulating pump replaces. I have a 93 omc cobra outdrive 5 liter ford based engine.
985429 18 7855 carburetor fuel filter replaces. Look for a pee hole in the lower case and a nipple on the inside that a hose would connect. The impeller sits inside the water pump housing on the top of the gear case.
Servicing the omc cobra impeller is very similar to doing so on most other outboard motors. 400 800 omc true coarse steering right or left with power steering. 88 omc cobra water pump impeller.
If your no water circulation problem is only when the motor is hooked to the flushing adapter then the problem is likely going to be the water passage cover has been melted do to the over heat blowing hot exhaust right onto to. Omc cobra how to change a water pump impeller in omc cobra stern drive how to replace a water pump how to repair a stern drive is a short video to show you how easy it is to repair the water. 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.
Omc cobra parts diagram wiring schematic diagram omc stern drive intake manifold parts for 1988 5 7l 574bprgdp stern omc cobra lower gear parts diagram reference numbers in this diagram can be found in a. 983870 910139 rochester 17068453 snapper. The difference being instead of relying on air flow to cool the antifreeze fresh seawater is pumped through the heat exchanger and then exits the boat through the exhaust.
The diagram below shows the water flow thru the drive. Cobra rebuild techniques years 1986 to 1992. In summary change water pump without fail every two years regardless of.
Adjusting the shift cable troubleshooting the engine starting with the carburetor.
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