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I hate emissions They killed lawn boy 2strokers and all 2stroke dirt bikes and now a big rig has to have diesel exhaust fluid and I hate hate hate it there killing America I love my lawn boys I buy the from the junkyard and fix them. They will kill the 2stroke snowmobile someday to that just makes me angry!

Bye the way STOP breathing your polluting!!!!!!
LOL!!!!!!!

DONT FART EATHER!!!!!

I don't care for emissions either...
They were terrible to the point of blocking visibility in the late 50's and into the 60's... for those that were not around in larger cities back then... Google Photochemical smog... If not for the controls on emissions most of our warm climate larger cities would have near zero population today...

Today these problems are beginning to be addressed in developing countries, like China & India... with their population base They can not afford to be nearly as reckless as we were... emissions Have been and still are very big problems with lungs...
So you are not alone with a distaste for emissions... :smile:KennyV

In the late sixties and early seventies I lived near Buffalo NY (Lackawanna NY had massive steel millls). Approaching from the east you could see a reddish orange sky hanging over Buffalo. If you drove to Chicago, all the signs on I-90 near Gary IN (huge steel mills) were brown and corroded. Los Angeles, in a natural basin, also had a brown haze, even in the ninties, primarily from autos. We once believed that the earth could absorb all the poisons we could dish out, and when the earth's population was less the 1 billion, it worked to a point. Don't get me wrong, I like my power tools, lights, TV, lawn and garden tools, car, etc. We should use our knowledge and engineering/manufacturing abilites to make lighter, more efficient, less polluting engines. I also like to breathe. Your two stroke Lawnboys, probably using a 20 to 1 mix, should be retired. How many Saab 96s (two strokes) do you see on the road? Even back then, we paid extra for high performance 50 to 1 oil for the snowmobiles when a lot of people were running 20 to 1. Short of going to an oil injected brand, that was the best technology in the seventies.

Yah but they didn't half to take lawn boy out or 2stroke dirt bikes

SS16 diesel said:

Yah but they didn't half to take lawn boy out or 2stroke dirt bikes

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I know a person who has been racing motocross for years. He was telling me that the newer 4 stroke will out run the 2 stroke. Just what he told me no prove. Can't say much about the Lawn Boy never used one. I have run a lot of 2 stroke ATV's and and snowmobiles and know that they pollute the air so bad that you smell like a oil can after running one. I really think it is a good thing that emissions are coming for everyone's health and the 4 stroke will only improve. Just look how far they have come on the automobile.

Yah but it's ok the trees like it and 2strokes just smoke a lot from the oil I like my 2stroke Honda cr80 dirt bike it's way faster than any four stroke 125 my friend has a ttr 125 and I can just smoke him on my 80. What happened back in the day when almost all small engines was 2strokes lawn mowers dirt bikes snowmobiles etc. Where abandoning the 2stroke when it's the most simple gas engine. Even I have a 4stroke weed wacker that is like new but I use my old home lite much more I just love that smell and the high RPM

Don't know where you are getting your info... but trees and other living things Do Not like poisons...

You need to perhaps look into this just a bit more, I think you may have over looked a few things.
Your thread title is on track, but your comments lead me to wonder if you have been paying close attention to what has been happening to engine development over the last 3 or 4 decades... :smile:KennyV

And that very simplicity is part of the problem. Because both the exhaust and transfer ports are open at the same time either exhaust is left in the cylinder, preventing complete combustion,or raw fuel is thrown out the exhaust. Either way you have a lot of unburned hydrocarbons, which contributes to photochemical smog, and the tress do not like it. What burns me is the rule that says if a metropolitan area has more than x days of high pollution, you must use oxygenated gas, i.e. ethanol, when I see all the POS cars driving by belching smoke and all the stupid truckers with leaking or worn out injectors belching black smoke. If we got the junk off the road maybe we'd have both cleaner air and could buy gas with less mileage reducing additives.

Grass ala Mowed said:

And that very simplicity is part of the problem. Because both the exhaust and transfer ports are open at the same time either exhaust is left in the cylinder, preventing complete combustion,or raw fuel is thrown out the exhaust. Either way you have a lot of unburned hydrocarbons, which contributes to photochemical smog, and the tress do not like it. What burns me is the rule that says if a metropolitan area has more than x days of high pollution, you must use oxygenated gas, i.e. ethanol, when I see all the POS cars driving by belching smoke and all the stupid truckers with leaking or worn out injectors belching black smoke. If we got the junk off the road maybe we'd have both cleaner air and could buy gas with less mileage reducing additives.

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We Rarely will get behind something that is going to be beneficial in the long run...
Too often many folks only see the 'small' part they are contributing to a problem, therefore they think their part can or should be overlooked...
Unfortunately we have to be forced to go with a better system, and upgrade always has a bit of initial capitol investment... :smile:KennyV