fishindevil Posted August 19, 2011 Report Share Posted August 19, 2011 Hey guys been a while since I had to mix oil with gas, seeing how I have a four stroke merc !!! Anyways I have a 4.7 liter gas tank for my new weedeater and it has to be 50:1 please tell me how much oil I need thanks !!!! Never was good at math thank god I can catch fish !! Lol... Lol. Thanks Link to comment Share on other sites More sharing options...
GBW Posted August 19, 2011 Report Share Posted August 19, 2011 94ML of oil. http://www.csgnetwork.com/marineoilfuelcalc.html Link to comment Share on other sites More sharing options...
fishindevil Posted August 19, 2011 Author Report Share Posted August 19, 2011 Thanks very much !!!! Link to comment Share on other sites More sharing options...
wallyboss Posted August 19, 2011 Report Share Posted August 19, 2011 They sell small bottles at CTC that have all the info printed on it. It gives you the choice of different ratio and you just find the amou nt of gas you are using and you fill up the small bottle up to the corresponding mark. It is so handy to have and they are only $8.00. I always mix only a day's worth of gas for my 9.9 which I very rarely use. Link to comment Share on other sites More sharing options...
cranks bait Posted August 20, 2011 Report Share Posted August 20, 2011 I got one of those bottles a few years ago when they were $3.00. Really good investment. Trying to figure out the chainsaw 40:1, boat 50:1, another motor 100:1, weedeater 30:1, the list goes on. I used to screw up the math, no I don't worry about it, get the bottle!!!! Link to comment Share on other sites More sharing options...
docknocker Posted August 20, 2011 Report Share Posted August 20, 2011 Hey guys been a while since I had to mix oil with gas, seeing how I have a four stroke merc !!! Anyways I have a 4.7 liter gas tank for my new weedeater and it has to be 50:1 please tell me how much oil I need thanks !!!! Never was good at math thank god I can catch fish !! Lol... Lol. Thanks Get a measuring Cup Pour in 50oz Gas Then pour in 1 oz oil Or 25oz gas 1oz oil then 25 oz gas This helps mix iit up a bit Put it all in a 1 gal. gas can Give it a good shake And you are done! Regards SteveO Link to comment Share on other sites More sharing options...
ecmilley Posted August 20, 2011 Report Share Posted August 20, 2011 easier for me to remember 50:1 is 2% lubricant 4.7ltrs 4700ml x .02= 94ml Link to comment Share on other sites More sharing options...
ccmtcanada Posted August 20, 2011 Report Share Posted August 20, 2011 Gotta love this board...post a question and answered 2 minutes later! Link to comment Share on other sites More sharing options...
Sinker Posted August 20, 2011 Report Share Posted August 20, 2011 50:1 mix is 20ml of oil per liter of fuel. Easy sleasy. S. Link to comment Share on other sites More sharing options...
DRIFTER_016 Posted August 20, 2011 Report Share Posted August 20, 2011 I got one of those bottles a few years ago when they were $3.00. Really good investment. Trying to figure out the chainsaw 40:1, boat 50:1, another motor 100:1, weedeater 30:1, the list goes on. I used to screw up the math, no I don't worry about it, get the bottle!!!! Just use Opti-2 or Amsoil and use 100:1 for everything. Link to comment Share on other sites More sharing options...
lplp Posted August 23, 2011 Report Share Posted August 23, 2011 4.7 litre gas tank for a weed eater,, must be huge. Link to comment Share on other sites More sharing options...
zum Posted August 23, 2011 Report Share Posted August 23, 2011 Just times by 20,when using liters. Link to comment Share on other sites More sharing options...
skeeter Posted August 23, 2011 Report Share Posted August 23, 2011 easiest way to do oil mixture. multiply the liters by 1000, then divide that by your mixture. EG: 4.7L x 1000 = 4700, then divide by what ever your mixture is. 4700 divided by 50= 94 ml 32 to 1 would be 146.9 ml Link to comment Share on other sites More sharing options...
Billy Bob Posted August 24, 2011 Report Share Posted August 24, 2011 The second most important thing after the correct mixture is keep everything as CLEAN as possible....before and after you mix your gas/oil. Link to comment Share on other sites More sharing options...
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