Subject revisited: tuning and porting 200t

[ArborClimber]

Ok, I am fully aware that this is a well worn subject, and the implications with poower, HSE, etc... But i would like some clear, plain instructions and tips as to what to do. And i'm lazy and cant be arsed to trawl through all the threads Especially appreciate tips from experienced engineer machinists from the like of Spuds-you-may-or-may-not-like.

 

I come from a family of engineers and enjoy tinkering with my saws anyway. So my questions are:

-Where, how, and what are the better ways of modding/drilling the exhaust?

-Is there anything i can do with air/fuel filters that would make a difference?

-What should i do with the H/L screws, and in which direction?

-Anything else that i could reasonably do myself in the workshop?

 

Pics would be nice where possible

 

Cheers lads (and any lady engineers)

[spudulike]

Ok, I am fully aware that this is a well worn subject, and the implications with poower, HSE, etc... But i would like some clear, plain instructions and tips as to what to do. And i'm lazy and cant be arsed to trawl through all the threads Especially appreciate tips from experienced engineer machinists from the like of Spuds-you-may-or-may-not-like.

 

I come from a family of engineers and enjoy tinkering with my saws anyway. So my questions are:

-Where, how, and what are the better ways of modding/drilling the exhaust?

-Is there anything i can do with air/fuel filters that would make a difference?

-What should i do with the H/L screws, and in which direction?

-Anything else that i could reasonably do myself in the workshop?

 

Pics would be nice where possible

 

Cheers lads (and any lady engineers)

 

Looks like you will have to work it out the hard way then:001_rolleyes:

 

Lots of general info on this site and Arboristsite.com - all you need to do is put it all together in to something that works and doesn't kill the saw:thumbdown:

 

Reliability is sometimes last in someone's mind when porting where it should be in the forefront!

[Stubby]

I have several saws ported by spud and they are all totally reliable , maybe more so than standard as they run cooler and more efficiently .

[ArborClimber]

Looks like you will have to work it out the hard way then:001_rolleyes:

 

Lots of general info on this site and Arboristsite.com - all you need to do is put it all together in to something that works and doesn't kill the saw:thumbdown:

 

Reliability is sometimes last in someone's mind when porting where it should be in the forefront!

 

Yeah, i certainly would prefer that my saw lasts a bit longer still!

 

I have had a good old search through tubeface, arboristsite, here, and a couple of american ones, (your thread, spud, was the most useful) and im just not too taken with the idea that many have of just drilling a dirty great big hole in the exhaust and saying "job well done"! Hence my questions...

 

I have a new carb on the saw, and i look after it, so i dont want to ruin it, just "improve it":001_rolleyes:

 

Btw, is there such a thing as a "tuning kit" from Stihl? You can get one for some saws, not sure with 200t though...

[spudulike]

Yeah, i certainly would prefer that my saw lasts a bit longer still!

 

I have had a good old search through tubeface, arboristsite, here, and a couple of american ones, (your thread, spud, was the most useful) and im just not too taken with the idea that many have of just drilling a dirty great big hole in the exhaust and saying "job well done"! Hence my questions...

 

I have a new carb on the saw, and i look after it, so i dont want to ruin it, just "improve it":001_rolleyes:

 

Btw, is there such a thing as a "tuning kit" from Stihl? You can get one for some saws, not sure with 200t though...

 

I have never seen or heard of a tuning kit for the MS200, you can buy aftermarket big bore kits and dual prt mufflers for the big stihls but nothing for the MS200.

 

The muffler mod is the simplest mod but I do far more than that inside my engines and have developed my techniques over the last few years to make the saws stronger in the cut!

 

It is all about compromise, time and skill - if you have 10 minutes, a big hole is a simple mod and I also always pressure and vac test engines as many saws that owners have sent in have had leaking crank seals so have repaired before returning the saw.

 

The porting will generally protect the saw as it will run a little richer and faster but tuning is not just about quick easy mods - the base machine has to be sound before tuning is done.

 

The MS150 and MS201 ARE saws that a hole in the muffler is a decent easy option, the MS200 has further gains that can be made!

[Hodge]

Where do you put the hole on the 150?

[CJM]

Where do you put the hole on the 150?

 

In the exhaust

[Hodge]

In the exhaust

 

 

Really? I wouldn't of known that;) where abouts on the exhaust?

[Hodge]

I drilled the 150 this morning and boy what a difference!! It awesome.

[Ian C]

I drilled the 150 this morning and boy what a difference!! It awesome.

 

I drilled mine near the plug and it seems to have slowed it down a little :what: