MS 200T carb question and working out the bugs

[kingdaddy]

I picked up a 200t last week and have been working on getting it into the best condition I can. New fuel tank and all new AV bushings (the saw had been dropped and cracked the old tank and broke one bushing) and it got a new bar and chain. The saw smokes after running under load from the muffler but it also seems like it’s smoking from the body of the saw (engine, plastic, bar oil on muffler?) the muffler is very “gunky” looking so I plan to remove it and see if it needs a good deep cleaning. I have adjusted the carb and decreased the idle (I think it was way too high). The carb is a “Stihl” stamped carb but it has an odd roll pin sticking out of the side. That’s not how they came from the factory is it? Any info on the carb or on getting it to quit smoking will be greatly appreciated!

 

[cscltd]

Roll pin is the limit stop for epa limiter caps
dirt oil buildup can cause smoke coming from around muffler area

 

[Bob Hedgecutter]

If it was well dropped- enough to break the tank and tear AV's, it may have bent the muffler enough it is contacting plastic?
Oily gunk wont be helping and a good clean will do no harm- neither will removing the spark arrestor screen if it is still fitted and storing it somewhere safe.

 

[kingdaddy]

Roll pin is the limit stop for epa limiter caps
dirt oil buildup can cause smoke coming from around muffler area

That makes sense, I just couldn’t find a roll pin in any of the images on Google of a 200t carb so I was confuzzled. Thanks!

 

[kingdaddy]

If it was well dropped- enough to break the tank and tear AV's, it may have bent the muffler enough it is contacting plastic?
Oily gunk wont be helping and a good clean will do no harm- neither will removing the spark arrestor screen if it is still fitted and storing it somewhere safe.

Spark arrestor is gone, but I’ll definitely be pulling the muffler today to check everything mentioned above. It’s quite gunky…
thanks!

 

[lone wolf]

 

[kingdaddy]

Lone wolf, I’m glad your here! What sort of fuel consumption should I expect from the 200t? It’s my first top handle/climbing saw so I’m not used to such a small fuel tank, but it seems to run through the fuel mix even faster than I would have expected.

 

[lone wolf]

Lone wolf, I’m glad your here! What sort of fuel consumption should I expect from the 200t? It’s my first top handle/climbing saw so I’m not used to such a small fuel tank, but it seems to run through the fuel mix even faster than I would have expected.

20 minutes with a few breaks in cutting, longer if your in a tree with lots of off and on cutting.

 

[kingdaddy]

20 minutes with a few breaks in cutting, longer if your in a tree with lots of off and on cutting.

I will do some testing but I don’t thinking getting 20 minutes from a tank. What factors/issues can cause rapid fuel construction. I did just lower the idle and hopefully that fixes the problem. But are there other things that could cause it ?

 

[lone wolf]

I will do some testing but I don’t thinking getting 20 minutes from a tank. What factors/issues can cause rapid fuel construction. I did just lower the idle and hopefully that fixes the problem. But are there other things that could cause it ?

Non stop cutting could be less. They are in the Tree saws so that inludes stop and go. Pig rich could cause it but you would notice. You took the screen of the muffler out right? They arent known for great gas economy.

 

[Bob Hedgecutter]

They like a drink.
There is no real way you can make a small CC saw cut like a larger CC saw, without burning a fair amount of fuel- bit like the diesel big rigs- no smoke no poke.

 

[kingdaddy]

Non stop cutting could be less. They are in the Tree saws so that inludes stop and go. Pig rich could cause it but you would notice. You took the screen of the muffler out right? They arent known for great gas economy.

The screen was not on it when I got it. But I would have removed it if it had been there. Any pro tips on cleaning the muffler once removed? Torch?

 

[lone wolf]

The screen was not on it when I got it. But I would have removed it if it had been there. Any pro tips on cleaning the muffler once removed? Torch?

Unscrew it it, then it comes apart in to the two halves and scrub with a wire brush ,cleaner and hot water.

 

[BrettS]

Roll pin is the limit stop for epa limiter caps
dirt oil buildup can cause smoke coming from around muffler area

Can't let the smoke out, when you let the smoke out nothing runs anymore.

 

[Bob Hedgecutter]

Can't let the smoke out, when you let the smoke out nothing runs anymore.

That only applies to Lucas electrical systems.

 

[LoneOak]

Lone wolf, I’m glad your here! What sort of fuel consumption should I expect from the 200t? It’s my first top handle/climbing saw so I’m not used to such a small fuel tank, but it seems to run through the fuel mix even faster than I would have expected.

I can completely remove the canopy from a large'ish Red Oak on one tank. A large Live Oak takes 2+ tanks. In Pine I am usually topping out on fumes. Some "good" habits to develop for increasing runtime are, Don't make un-necessary cuts, Don't allow your saw to idle while hanging from your hip, Don't run a rich fuel-oil mixture (44:1 or 50:1) are absolutely appropriate for this saw. DO, carry a TuneyDriver on you while in the tree for "On-The-Fly" carb adjustments. DO, use a handsaw when possible, there is no reason to fire up the saw for a 1" limb. And finally, make sure your chain is sharp!! In my experience this is the #1 runtime killer for the 200T.

 

[fred morcom]

I picked up a 200t last week and have been working on getting it into the best condition I can. New fuel tank and all new AV bushings (the saw had been dropped and cracked the old tank and broke one bushing) and it got a new bar and chain. The saw smokes after running under load from the muffler but it also seems like it’s smoking from the body of the saw (engine, plastic, bar oil on muffler?) the muffler is very “gunky” looking so I plan to remove it and see if it needs a good deep cleaning. I have adjusted the carb and decreased the idle (I think it was way too high). The carb is a “Stihl” stamped carb but it has an odd roll pin sticking out of the side. That’s not how they came from the factory is it? Any info on the carb or on getting it to quit smoking will be greatly appreciated!

Rool pin is a stop for the high side