How can I make my 201tc more powerful (without porting it)

[Maxd]

13 hours ago, Dan Maynard said:

Aim to make the hole about twice the original size. If you can sneak under the deflector and enlarge the hole that's great, I chose to drill down through both, shape the slot and then cap the deflector as I don't have a Dremel. Useful increase in power for not much hassle and low risk of problems.

 

I think if your saw is 2016 it's probably tcm so will autotune to compensate. Do you have carb adjusting screws?

 

I don't think it has here are some pics of it

[Dan Maynard]

Nope, no screws. That's a TC-M which is autotune, you enlarge the exhaust outlet and then go cutting - no carb adjustment required (or possible).

 

I haven't done the timing advance, exhaust mod has been good and easy - don't know how much more scope there is from timing advance.