The objective of this troubleshooting page is to determine if there is a problem with your SureFly.

SureFly Installation Instructions

Engine: runs rough, stumble, dies, or no start

Excessive mag drop / kickback

Engine continues to run after SIM is turned off

Rapid flash / Fixed and Variable Timing

CHT

Tachometer

Click to enlarge

Installation Specialists - Troubleshooting Experts have extensive experience with SureFly SIM installations. If you require assistance with your SureFly SIM installation, or related hardware in the field reach out to a shop near you.