Gale Hawkins
Super Star Member
- Joined
- Sep 20, 2009
- Messages
- 12,172
- Location
- Murray, KY
- Tractor
- 1948 Allis Chambers Model B 1976 265 MF / 1983 JD 310B Backhoe / 1966 Ford 3000 Diesel / 1980 3600 Diesel
https://www.youtube.com/watch?v=MUW7JNk7zVw&feature=watch-vrec
This hour long video is very detail and if you own a Stihl it is even more detailed.
Having seven functioning two cycle engines (saws, line trimmers, blower and generator) with different mixing ratios I have for the most part ran a 40:1 ratio to keep from going too lean on anything. To be on the safe side I do buy the synthetic Stihl two cycle mix.
The Stihl 021 I bought new about 20 years ago but it was after we quit heating with wood so it more or less new like in appearance. Back in the spring I bought a use Stihl 361 after struggling where to go with a Farm Boss or a used 361. Watching a lot of owner reviews on YouTube it seemed to be the apex of the Stihl saw lineup by many so I wound up buying a used but not highly abused 361 from an 85 year old guy who was wanting to come up with the money to trade up to the new easy pull smaller Stihl now on the market.
The chain, bar and sprocket were about 80% used up so I went new with those and a new plug then dropped some money on the Stihl head, face and ear protection and their chaps. The saw is a dream to use but it is break time after burning a tank of fuel before setting it down.![Smile :) :)](data:image/gif;base64,R0lGODlhAQABAIAAAAAAAP///yH5BAEAAAAALAAAAAABAAEAAAIBRAA7)
Recently from my sister I got back dad's old Stihl 011 AVT that I really have no idea how old it is but he did pass nearly 20 years ago. My BIL did use it but he passed about four years ago when he rolled the 601 Ford and was pinned under it. Yesterday I dumped the blue looking fuel mix and it started up fine.
Before I finished the first tank in dad's 011 AVT it started loading up and would not idle. The same thing happened with the 361 after I burned about three tanks though it in the spring. My 021 still ran OK but all it has ever ran was Stihl mixed at 40:1 instead at 50:1 per the manual.
Currently when it comes to pure gas 87 octane is the only thing I can get locally (Stilh calls for 89 octane min) so I went with the 87 octane pure gas and mixed 50:1. After I dumped the 40:1 gas with 10% ethanol and refilled with the fresh 87 at 50:1 ratio both the 011 and 361 started running correctly as soon as the gas in the carbs burned out.
The change was dramatic and instant. Learned my lesson on not following the Stihl book. Based on these three old saws I think Stihl saws are great.
I have read most engines calling for 40:1 ratio are OK with a 50:1 ratio mix if the oil is rated as a 50:1 ratio TC oil. Does anyone have any experience on this subject?
.
This hour long video is very detail and if you own a Stihl it is even more detailed.
Having seven functioning two cycle engines (saws, line trimmers, blower and generator) with different mixing ratios I have for the most part ran a 40:1 ratio to keep from going too lean on anything. To be on the safe side I do buy the synthetic Stihl two cycle mix.
The Stihl 021 I bought new about 20 years ago but it was after we quit heating with wood so it more or less new like in appearance. Back in the spring I bought a use Stihl 361 after struggling where to go with a Farm Boss or a used 361. Watching a lot of owner reviews on YouTube it seemed to be the apex of the Stihl saw lineup by many so I wound up buying a used but not highly abused 361 from an 85 year old guy who was wanting to come up with the money to trade up to the new easy pull smaller Stihl now on the market.
The chain, bar and sprocket were about 80% used up so I went new with those and a new plug then dropped some money on the Stihl head, face and ear protection and their chaps. The saw is a dream to use but it is break time after burning a tank of fuel before setting it down.
Recently from my sister I got back dad's old Stihl 011 AVT that I really have no idea how old it is but he did pass nearly 20 years ago. My BIL did use it but he passed about four years ago when he rolled the 601 Ford and was pinned under it. Yesterday I dumped the blue looking fuel mix and it started up fine.
Before I finished the first tank in dad's 011 AVT it started loading up and would not idle. The same thing happened with the 361 after I burned about three tanks though it in the spring. My 021 still ran OK but all it has ever ran was Stihl mixed at 40:1 instead at 50:1 per the manual.
Currently when it comes to pure gas 87 octane is the only thing I can get locally (Stilh calls for 89 octane min) so I went with the 87 octane pure gas and mixed 50:1. After I dumped the 40:1 gas with 10% ethanol and refilled with the fresh 87 at 50:1 ratio both the 011 and 361 started running correctly as soon as the gas in the carbs burned out.
The change was dramatic and instant. Learned my lesson on not following the Stihl book. Based on these three old saws I think Stihl saws are great.
I have read most engines calling for 40:1 ratio are OK with a 50:1 ratio mix if the oil is rated as a 50:1 ratio TC oil. Does anyone have any experience on this subject?
.