OMC Popular Questions, Answers, Tips & Manuals

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Why won't my 72 50hp johnson start?

You should let the old fuel out and get some new fuel. If it has a set of points for the spark timing make sure they are clean and don't have a spike. Make sure the air filter is clean. You may have flooded it or maybe the other way, not enough fuel. You can clear the flooding by taking the spark plug out and cranking it to blow out the cylinder.
7/9/2016 12:11:49 PM • OMC Reverse Gear... • 867 views • 0 helpful votes
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Location on oil sending unit on 2003 Cadillac cts

IF YOU LOOK AT THIS IT IS ROUNDED AT THE FRONT WITH A LIP AT THE BOTTOM THE ROUNDED EDGE IS THE IN FLOW AND THE LIP IS THE OUT FLOW
11/5/2014 10:17:51 AM • OMC 1980 Oil... • 369 views • 0 helpful votes
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I need to know the location of the oil sending unit on a 2001 chevy silverado 1500 witha vortex 5.3 liter engine.

The bell sender unit is located on the back side of the engine towards the driver side next to distributer shaft
9/23/2014 1:47:36 AM • OMC 1980 Oil... • 246 views • 1 helpful votes
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What could cause the temp gauge reading wrong on my 2005 kia sorento?

Maybe the wrong sensor for the gauge.
7/28/2014 5:09:51 PM • OMC Water Temp... • 572 views • 0 helpful votes
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Eliminating prop slap low speed high torque situation

The slip yoke in the back of the gearbox has probably worn out, and or the gearbox mount is damaged. Broken engine mounts can also cause this to occur. The alignment of the Gear box and the Rear axle to the chassis can also cause the slapping of the drive safe under load. If the prop shaft does not have a center support, it is more important to make sure that the shaft and not bent, is manufactured into a straight line and properly balanced, and that all of the that the Uni Joints have not failed.
7/12/2014 7:16:45 AM • OMC Factory... • 180 views • 0 helpful votes
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Why will my Suzuki LT50 stall when give it gas

Does it have a mechanical fuel pump?
6/22/2014 9:16:55 PM • OMC O.m.c.... • 275 views • 0 helpful votes
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Why will a 3.8 litre marine engine not idle when u have changed everything

Timing too advanced.
5/3/2014 3:57:24 PM • OMC Stern Drive... • 581 views • 0 helpful votes
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Need to replace the valve cover gasket on my 2001 seabring and do not know where it is located

So for four cyl model you'll need a valve cover gasket set it should have the perimeter gasket and four doughnut shaped gaskets remove the intake plenum screws 8mm socket and there should be two 13 mm bolts around the throttle body on the back side take note of where the vaccuum lines go for re installaton some motors don't have a manifold that wraps over the valve cover just take off the valve cover and replace all the seals on it and reassemble. V6 models are more difficult and the 2.7l manifold will have to be removed for the repair you should get the manifold seals as well to
5/27/2014 9:56:31 PM • OMC Valve Cover... • 174 views • 0 helpful votes
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The streeing is diffcult when turning

Without more information I can only give you some suggestions. First make sure your tires are inflated properly to the manufacturers recommendation. Have the front end alignment checked, especially the toe in/out. Then check the power steering if you have it fluid to make sure it is filled. Try checking the steering cylinder under the car for leaks. If everything checks you most likely have a bad power steering pump, or the steering cylinder seals are letting fluid leak by.
2/28/2014 4:15:21 AM • OMC O.m.c.... • 151 views • 0 helpful votes
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93 labaron convertable freeze plugs

first remove old freeze plugs with a small punch start on a inside edge and gently tap on it until the corner flips inward then i use pliers and pull the old plug out,clean the block area and it is best to rent an installer tool from autozone so plugs are installed flush with the block then apply permitex sealer on the edge of the new freeze plug and with installer puck gently tap new plug into the block til flush with all edges of the plug to block . be careful not to install the plug at an angle or it will blow back out after engine heats up to normal temps
1/5/2014 8:59:01 PM • OMC Johnson... • 275 views • 0 helpful votes
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How to take a oil pressure guage off a 2002 jeep cherokee

not guage, it gauge.take out a spark plug. put the gauge end in spot & crank eng. Read the gauge.
6/7/2012 11:42:47 PM • OMC High... • 78 views • 0 helpful votes
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