Generac — Stopping the Generator
Operation
From a Generac service manual covering: NP45G, NP52G, NP55G, NP65G, NP66G, NP72G. Check it applies to your exact model before use.
Applies to: Generac NP66G, Generac V-Twin engine
Procedure
- Set the line breaker(s) to "Off" or "Open".
- Let the engine run at no-load for a minute or two, to stabilize internal temperatures.
- Hold the start/stop switch at "Stop". Wait for engine to come to a complete stop.
Full service-parts list: Generac NP66G →
Source: Generac service manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.