Tohatsu outboard not pumping water

[VicS]

The exhaust bubbles will cause a problem.

This one is peeing OK in neutral

and the 'gull is even pumping well with the prop on.

 

[chrishelen]

That's not a wheelie bin. It has more volume of water. Wheelie bins don't work.

 

[RichardS]

That's not a wheelie bin. It has more volume of water. Wheelie bins don't work.

Don't work as what? I run my outboards in a wheelie bin in neutral and in gear and they seem to work fine. The tell-tale piddles away just like in the sea.

Richard

 

[chrishelen]

When we tested outboards we used a large volume water tank as small volume receptacles such as wheelie bins could give you false results, such as a reduction in cooling water flow...just given my opinion. Don't want an argument. I'm done now.

 

[VicS]

That's not a wheelie bin. It has more volume of water. Wheelie bins don't work.

It'll be fine for the OP's Tohatsu, as it will be for most small outboards, because the water intakes are well below the exhaust outlet.

 

[davidpbo]

I quite successfully test my outboards in a water butt, not mutch larger than a wheelie bin, admitedly not an outrageously small one but not a large volume water in it.

 

[VicS]

I quite successfully test my outboards in a water butt, not mutch larger than a wheelie bin, admitedly not an outrageously small one but not a large volume water in it.

Weed obstructing the water intakes is the main problem with wheelie bins

 

[C08]

That's not a wheelie bin. It has more volume of water. Wheelie bins don't work.

When I have used bins to run outboards I am always surprised how deep the engine needs to be immersed before it will pump water.

 

[VicS]

When I have used bins to run outboards I am always surprised how deep the engine needs to be immersed before it will pump water.

sufficiently deep to immerse the water water should be deep enough although that can be quite deep esp with some of the older outboards. A couple of inches above the joint between the gearcase and the driveshaft housing will normally do it.

 

[jwilson]

My Tohatsu 3.5 and Mercury 3.3 (same basic engine) just won't pump water in a small bin at home, but will pump/piddle in the club's big steel tank, or when on a dinghy.......

First time I hit this I dismantled the leg to check the impeller - it was fine. Disassembly minutes, reassembly hours and a lot of cursing.