Why does my Ryobi Trimmer engine not reach full speed and emits excessive smoke?
- TTeresa JohnsonAug 6, 2025
If your Ryobi Trimmer engine does not reach full speed and emits excessive smoke, check the lubricant fuel mixture and use fresh fuel with the correct 2-stroke lubricant mix. Another reason could be a dirty air filter. Clean the air filter according to the instructions in the Maintenance section.