Mail in your old saw for CNC Porting

Mail us your old powerhead and we'll take care of the rest! Let 309 Machine wake up your saw with CNC Porting. We specialize in increasing power while focusing on reliability and durability.

Most saws include:

• CNC Cylinder porting
  • Exhaust Port enlargement, timing and polishing
  • Intake Port enlargement, timing and texturing
  • Squish band cut for smaller combustion area
  • Base cut for increased compression
• Muffler Baffle modification & port matching
• Decompression removal and plug installation

Some saws include:

• Carb Tuning after porting
• Timing advance

Stihl® MS261C-M or MS261 Port work includes the parts and installation of a WCS universal port onto the muffler.

If the saw is received in an non working or unrepairable state or is deemed unfit for port work, the saw will be returned to the customer and the order will be refunded minus shipping and a $25 inspection fee

Echo® is a registered trademark of Echo® Incorporated and is used only to describe their products. 

Husqvarna® is a registered trademark of Husqvarna® Incorporated and is used only to describe their products.  

Stihl® is a registered trademark of Stihl® Incorporated and is used only to describe their products.