MS201TCM moddding

[Dilz]

Was wondering about opening up the exhaust on my 201TCM  - Will the chip manage to adjust the carb?  any thoughts or suggestions much appreciated. 

[Sambo]

On 04/12/2017 at 19:34, Dilz said:

Was wondering about opening up the exhaust on my 201TCM  - Will the chip manage to adjust the carb?  any thoughts or suggestions much appreciated. 

I'd leave it mate! In the UK they're fairly open already - no spark arrestor screen or other such bits to restrict it as far as I know!

Many 2 stroke engines rely on the resonance of the exiting gases to draw exhaust out and help a fresh charge of fuel/air in (Think tuned pipes on hotsaws or trials bikes etc for an extreme example) The exhaust may well have been very carefully designed to facilitate this so I'd be dubious about altering it!

A couple of ways to make your saw really run like fury is to:

A. Run it on a top quality fuel like aspen2 or motomix. The difference is phenomenal. The more pricey fuel pays for itself in the end with less downtime and higher productivity!

B. Use a synthetic chain oil. Modern saws need the modern runny chain oils like synthplus to lubricate the chain at the speeds they run at! Also these new oils penetrate into the chain joints and help to flush out dirt. Because they run so freely you can keep your oil adjustment down to the E mark which means though pricey, these oils are, again, economic in the long run!

[Dilz]

already run it on aspen - have to use bio oils as i work alot in parks and near water ways.  I havent stripped mine down yet so no idea what the exhaust is like. Its an EU saw being based in Sweden but I imagine it is the same set up.  I'm

 kind of against the drilling of holes straight in the side of the exhaust.  Might look at finding a more subtle way to open it up like on the 150t 

[Rich Rule]

Why not open up the muffler.  Then if there is a problem get a new muffler.  Swap it out and send it back to the shop.

 

i got a 150t over here in Norway and it had a totally different muffler than others I had seen.  It was from HB in the uk and had the Yank style exhaust with spark arrested.

[spudulike]

Tis a bad thing to open up a muffler on your chainsaw, it may end up in porting your blower, strimmer and hedge trimmer

[Sambo]

On 17/12/2017 at 16:16, Rich Rule said:

Why not open up the muffler.  Then if there is a problem get a new muffler.  Swap it out and send it back to the shop.

 

i got a 150t over here in Norway and it had a totally different muffler than others I had seen.  It was from HB in the uk and had the Yank style exhaust with spark arrested.

Seems to be the spark arrestor which hinders the performance on many machines! You've only got to look at a couple of vids from the states about blocked spark arrestors bogging the machine down!