Generac — Check for Ignition Spark
Testing & diagnosis · Ignition system
From a Generac service manual covering: 10 KVA, 13 kVA, 8 kVA. Check it applies to your exact model before use.
Applies to: Generac EcoGen 6 kW, Generac GH-410 engine, Generac GH-426 engine, Generac GT-530 engine, Generac GT-530 engine, Generac GT-999 engine, Generac OHVI engine
Procedure
- Turn off fuel supply.
- Remove spark plug leads.
- Attach spark tester to engine cylinder head.
- Attach spark plug lead to tester.
- Set controller to MANUAL.
- Crank engine and observe spark.
Tools required
- spark tester Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Set tester gap to 10kV mark
Full service-parts list: Generac EcoGen 6 kW →
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.