Facts

Cold start: the choke versus the ECU

On a carbureted motorcycle, the choke enriches the mixture for a cold start. The rider operates it.

On a fuel-injected bike, the ECU handles it: it automatically controls mixture enrichment during a cold start.

The injector may open for only a few milliseconds, and the ECU varies that time to meter fuel precisely.

This short post was prepared with AI assistance. A source link is provided below where available.

Likes and comments are in the app.

Read next

← Back to Pitstop