Question: Ok so my boat engine is a 2 stroke.?

(Posted by: big_nige on 2010-09-01 09:16:38)

And the mix is 50:1. so my petrol tank holds 22.7 liters which is 5 uk gallons. my question is: how much oil do i add to 5 uk gallons (22.7liters) to get the desired mix ? many thanks for looking & for your help

Posted by: seattlesailor2000 on 2010-09-01, 10:45:02

Here is a link to fuel/ oil ratio tables. you can print them off and have them handy when you add fuel/ oil to your gas tank. five imp gal of fuel takes 16 imp oz of oil for a 50:1 mix rideau-info.com/ canal/ fuelmix.html 50:1 Imp Gal Imp ounces of oil 1..............3.0 2..............6.5 3..............9.5 4............13.0 5............16.0 hope this helps

Posted by: Mooned Y!A on 2010-09-01, 09:32:20

You break it down into ounces or liters or whatever. You can go to a hardware store and buy a small bottle of Briggs & Stratton Easy Mix 2 cycle oil. The bottle is 3.2 ounces and when added to 1 US gallon is a 40:1 mixture. It also said for blends up to 50:1. They have bigger bottles of it, too. A US gallon is 128 ounces. 40:1 is 3.2 ounces. 50/ 1 = 128oz/ x So it is 128 divided by 50 or 2.56 ounces. 1 liter equals 33.8 ounces. 22.7 liters x 33.8 ounces equals 767 ounces. There are 767 ounces in 22.7 liters. 767 divided by 50 is 15.34 ounces. So put 15.34 US ounces in the tank and fill it with gas. Anyways, Liters and UK gallons really throws me for a loop so I can't do the math for you!!!!!!

Posted by: Bill R on 2010-09-01, 09:34:33

One fiftieth of you 22.7 litres... thats 0.454 litres. In other words just under half a litre or 0.8 pint. personally I would sling in half a litre or just less than one pint. Regards Bill