The percentage of oil and gasoline nedeed

50:1

100ml of 2stroke oil in 5L of petrol.

Hi gnapplegate...
Use a 50:1 oil to gas ratio
1 pint of 2 cycle oil to 6 gallons of gasoline
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Mix Homelite Premium Exact Mix oil with gasoline according to the instructions on the package. If Premium Exact Mix oil is not available, use a high quality 2-cycle engine oil, mixed at 2.6 oz. per gallon (US). Do not use automotive oil or 2-cycle outboard oil
Here is link to owners manual too
http://www.homelite.com/system/manuals/stringtrimmers/ut20763_20778_20779_eng.pdf

Hope this helps
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Check your manual for the proper gas-and-oil mixture. For almost all modern two-stroke engines, a 50-to-1 mixture is recommended. That requires about 2 1/2 oz. oil for every gallon of gasoline.

chainsaws are 40:1
3.2 oz 2-cycle motor oil per gallon gasoline

The ratio is 40:1, provided this is a gasoline homelite chainsaw. Find the suitable amount to put into the gas can at a ratio of 3.2 oz per gallon. The bottles that you buy the oil in have marks on them telling you how much there is, and often times, are sized to dump into a preset amount of gas. Put the oil in the can, then put the gas in the can, cap, and shake. Always shake before dispensing.

I have that saw. The manual states if you are using Homelite 2 -cycle oil read and follow the instructions on the package. If you use other than Homelite oil use 16 parts gasoline to 1 part 2- cycle oil, 1 gal / 8oz

Hello JC;
I suggest add a post that includes an email address here:
ArboristSite Beg for manuals thread (free to join)
http://www.arboristsite.com/showthread.php?t=72322
This is a reply to a similar request.
http://www.arboristsite.com/showpost.php?p=2087444&postcount=5565

I have not found a good source for Homelite OMs, you can make a request here:
Homelite.com Contact Us
https://register.homelite.com/contact_us/new
If you do the above please request they add a link where anyone can download an OM. If they reply with a link to all OMs PLEASE post that back here.

If you have more questions or need additional help please reply below and I will get back to you. Thank you for using FixYa and Good Luck. HTH
Lou

Generally you're looking at a 50:1 ratio on most chainsaws and I wouldn't see any reason the homelite should be any different. Usually it's one 2.5oz container of the oil mixture to one gallon of gasoline but check the label to be sure.

Remove your bar and free rev the engine, check that the oiler hole is pulsing and free from debris.