Two Stroke Cylinder Porting Templates

Ken OConnor Racing offers two stroke porting templates for ATV, motorcycle, snowmobile and personal watercraft cylinders. These cylinder-specific templates provide a clear guide for reshaping the intake and exhaust port windows while helping you maintain the intended port shape and placement.

Each porting template kit includes the required templates and access to our detailed Sportport Porting Manual. Templates are available for many Yamaha, Honda, Suzuki, Kawasaki, Polaris, Arctic Cat, Ski-Doo and Sea-Doo applications. All porting templates are $110, and worldwide shipping is available.

Porting Templates

Yamaha Banshee trail top and bottom plates for racing or repair.

What Is Included With Your Porting Templates?

  • Porting templates for the selected engine application
  • Detailed Sportport Porting Manual
  • Instructions for positioning and tracing the templates
  • Guidance for shaping and blending the port windows
  • Port-finishing and chamfering instructions
Download the Two Stroke Porting Template Manual

Porting templates provide a defined guide for modifying the cylinder’s port windows. Correct placement, careful grinding and proper port chamfering are essential. Read the complete manual before beginning any cylinder work.

Two Stroke Porting Template Pricing

All Porting Templates$110

We ship and receive worldwide daily.

Snowmobile Porting templates

atv Porting templates

watercraft Porting templates

motorcycle Porting templates

What comes with a porting template kit?

Each kit includes the porting templates for the selected application and access to the detailed Sportport Porting Manual.

What engines are porting templates available for?

Templates are available for many two stroke ATV, motorcycle, snowmobile and personal watercraft engines. Available manufacturers and applications can be selected from the product listings.

Are the templates designed for stock cylinders?

The templates are designed for stock cylinders with uncut top and bottom surfaces unless a particular product listing states otherwise.

Do I leave the template in place while grinding?

No. Position and trace the template carefully, and then remove it before grinding the cylinder. Read the complete manual before beginning the work.

Can Ken OConnor Racing ship porting templates internationally?

Yes. Ken OConnor Racing ships and receives packages worldwide.