Our boat has a Johnson WPS 2.9 - the boat is fairly new and it was boxed in. However we noticed water leaking from the box and the floor is badly damp. Opening up the box we found a leak underneath the pump. Have a plate underneath at the moment with the water turned off. Any advice about what to do?
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Check fuel pump diaphragm,could also be stuck needle and seat in carburettor.dont think it is head gasket,would not cause fuel to come out of exhaust.take off carb cover squeeze primer,if fuel comes out of front of carb it is needle and seat.also check if choke is not sticking
The only oil that can leak from iside your engine is from the gearbox. There is no sump as the engine is lubricated by the oil fed in through the induction system. Clean the area thoroughly and leave it for a while(overnight) then check again. The oil could just be overfill from the 2-stroke tank. By cleaning it first you are given new evidence to identify the leak point. Hope this helps, when you have more info let me know.
2 common places.1 leak from the pipe/s from the valves to the dispenser box,2 @6 o/clock position in the fold of the door seal is where these models produce a small split.filter not tight.water bubbling over stand pipe when machine pumps out?these machines are usually fairly leak free so might be just one of these things i`ve listed here with luck.
There is no special tricks.Unbolt the gearshift linkage that has access through the side of the leg.Usually a small plate.Unbolt the lower g/box.4 bolts I think.The box should then drop.If not,use a rubber hammer and be patient.Put the lower skeg of the g/box in a vice to make things easier.NOW.When you lift the housing of the w/pump take a note of which way the impellar pump lobes are curled.DON'T put the new impellar in the wrong way.It's probably worth putting in a new seal whilst it's apart.You spin the housing or imp. as you put it together.Use a small bit of grease for the initiall dry start-up.Put some very good grease on the top splines on the driveshaft.It goes straight into the crankshaft.If it corrodes,nothing comes apart.As you put the g/box back on,spin the prop so the splines go back in.There is no special alignment.Gearchange linkage and you go fishing.(take the prop off and regrease the splines on the shaft of it)Hope this helps
1. Fuel flow: Make sure fuel tank vent is open and not blocked while engine running. Check primer bulb is working and no air leaks along hose anywhere. Check function of fuel pump and ensure fuel is getting to the cylinders.
2. Overheating: Check engine isn't overheating and that water pump is operating properly while engine is running.