I'm buying a boat with a friend and I have a few questions, I know this is a moped forum but hey..some one might know something, first of all how many ounces are in a 24:1 ratio, none of charts say, so if anyone knows....another question is you know when you run a boat out of the water you have to put on those ear muff type things with a hose connected, so it doesnt over heat, what are those called? Thanks in advance.


For the 24:1 ratio, the number of ounces depends on how much gas you use.

For instance, if you use 24 ounces of gas, then you'd add/mix one ounce of oil.




Re: Ration

Wayne Broderick /

So, If I was using liters, I would use 24 liters of gas and mix it with 1 liter of oil.

Or cups, even: 24 cups of gas, one cup of oil.

Re: Boat running out of water

Wayne Broderick /

I've always seen people use a 55gal metal drum filled with water, Plastic or metal bucket should work if it is solid.

If it's a kick ass engine, you might need to refill the bucket after testing.

Re: Boat

gimmyjimmy /

If you have the 3 gal. portable fuel tank, use 16 oz. of TC-WII or TC-W3 oil for the 24/1 ratio.

The "ear muffs" are called - motor flushers - cost: under $10.

Tip: when using the garden hose on the flusher, turn the water pressure on slightly, no need for full pressure, the impeller in the lower unit will "pick up" the water and circulate it normally when the thermostat opens.

NEVER run engine without water in lower unit, the rubber impeller will melt from friction. $$$

Keep an eye on temp. gauge or warning light, you may have to increase water intake as rpms/temp. rise.

Happy moboating and mopedding,


Re: Boat

I've been wondering how a speedometer works in a boat, is it something in the engine or something?

Re: Boat

Too bad you can't edit posts, ignore the last part where i put or something, it was typo :)

Re: Boat

Ron Brown /


The inexpensive ones are pressure guages reading the pressure from a forward facing tube in the water. More expesive ones have a paddle wheel with magnets in the paddles and a sensor in the mout connected to an electronic tach.

I'm sure there are other ways too.


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