Skip to content

12 Sawyer Engineering & Fuel Mixing Calculators

Instant calculations for fuel ratio, chain speed, pitch and gauge matching, drive links, file diameters, and port timing

Latest Chainsaw Field Articles

Field Stream • 78 Guides
Guides 2026-07-2813 min read

Chainsaw Fuel Bulb Not Filling Up

A clear fuel bulb should pull gasoline through the chainsaw’s fuel system after several presses. When it stays empty, remains crushed, or fills with air bubbles, the engine…

By Hayley DawnRead →
Guides 2026-07-2814 min read

Chainsaw Does Not Want to Start

A chainsaw that refuses to start can make a simple cutting job feel like pushing against a locked gate. You pull the cord until your shoulder aches, press…

By Hayley DawnRead →
Guides 2026-07-2812 min read

Brake on Chainsaw Not Working

A chain brake is the steel seat belt of a chainsaw. You may never need it during a normal cut, but it must act at once when the…

By Hayley DawnRead →
Guides 2026-07-2811 min read

Blade Not Spinning on Chainsaw

A chainsaw motor may roar while the cutting chain sits still. That sound can be confusing. Power is reaching the saw, yet none of it reaches the wood.…

By Hayley DawnRead →
Guides 2026-07-2812 min read

Best Vise for Chainsaw Sharpening

A chainsaw chain is hard to file well when the guide bar rocks from side to side. Each stroke lands at a slightly different angle. One cutter becomes…

By Hayley DawnRead →